Revert "Initial implementation of optimization bisect support."

This reverts commit r267022, due to an ASan failure:

  http://lab.llvm.org:8080/green/job/clang-stage2-cmake-RgSan_check/1549

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267115 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vedant Kumar 2016-04-22 06:51:37 +00:00
parent 6a025fe5e2
commit 8866d94a61
98 changed files with 79 additions and 909 deletions

View File

@ -77,21 +77,15 @@ public:
/// the call graph. If the derived class implements this method, it should
/// always explicitly call the implementation here.
void getAnalysisUsage(AnalysisUsage &Info) const override;
protected:
/// Optional passes call this function to check whether the pass should be
/// skipped. This is the case when optimization bisect is over the limit.
bool skipSCC(CallGraphSCC &SCC) const;
};
/// CallGraphSCC - This is a single SCC that a CallGraphSCCPass is run on.
class CallGraphSCC {
const CallGraph &CG; // The call graph for this SCC.
void *Context; // The CGPassManager object that is vending this.
std::vector<CallGraphNode*> Nodes;
public:
CallGraphSCC(CallGraph &cg, void *context) : CG(cg), Context(context) {}
CallGraphSCC(void *context) : Context(context) {}
void initialize(CallGraphNode *const *I, CallGraphNode *const *E) {
Nodes.assign(I, E);
@ -107,8 +101,6 @@ public:
typedef std::vector<CallGraphNode *>::const_iterator iterator;
iterator begin() const { return Nodes.begin(); }
iterator end() const { return Nodes.end(); }
const CallGraph &getCallGraph() { return CG; }
};
} // End llvm namespace

View File

@ -923,15 +923,6 @@ public:
PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
};
/// Check with the OptBisect object to determine whether the described pass
/// should be skipped.
///
/// This is a helper function which abstracts the details of accessing OptBisect
/// through an LLVMContext obtained from an SCC.
bool skipPassForSCC(const StringRef PassName, const LazyCallGraph::SCC &SCC);
// This function is implemented in OptBisect.cpp but must be declared
// here to avoid include file dependency problems.
}
#endif

View File

@ -88,10 +88,9 @@ public:
virtual void deleteAnalysisLoop(Loop *L) {}
protected:
/// Optional passes call this function to check whether the pass should be
/// skipped. This is the case when Attribute::OptimizeNone is set or when
/// optimization bisect is over the limit.
bool skipLoop(const Loop *L) const;
/// skipOptnoneFunction - Containing function has Attribute::OptimizeNone
/// and most transformation passes should skip it.
bool skipOptnoneFunction(const Loop *L) const;
};
class LPPassManager : public FunctionPass, public PMDataManager {

View File

@ -32,7 +32,6 @@ class DiagnosticInfo;
template <typename T> class SmallVectorImpl;
class Function;
class DebugLoc;
class OptBisect;
/// This is an important class for using LLVM in a threaded context. It
/// (opaquely) owns and manages the core "global" data of LLVM's core
@ -227,9 +226,6 @@ public:
return OptionRegistry::instance().template get<ValT, Base, Mem>();
}
/// \brief Access the object which manages optimization bisection for failure
/// analysis.
OptBisect &getOptBisect();
private:
LLVMContext(LLVMContext&) = delete;
void operator=(LLVMContext&) = delete;

View File

@ -1,139 +0,0 @@
//===----------- llvm/IR/OptBisect.h - LLVM Bisect support -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file declares the interface for bisecting optimizations.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_OPTBISECT_H
#define LLVM_IR_OPTBISECT_H
namespace llvm {
class Pass;
class StringRef;
class Twine;
/// This class implements a mechanism to disable passes and individual
/// optimizations at compile time based on a command line option
/// (-opt-bisect-limit) in order to perform a bisecting search for
/// optimization-related problems.
class OptBisect {
public:
/// \brief Default constructor, initializes the OptBisect state based on the
/// -opt-bisect-limit command line argument.
///
/// By default, bisection is disabled.
///
/// Clients should not instantiate this class directly. All access should go
/// through LLVMContext.
OptBisect();
/// Checks the bisect limit to determine if the specified pass should run.
///
/// This function will immediate return true if bisection is disabled. If the
/// bisect limit is set to -1, the function will print a message describing
/// the pass and the bisect number assigned to it and return true. Otherwise,
/// the function will print a message with the bisect number assigned to the
/// pass and indicating whether or not the pass will be run and return true if
/// the bisect limit has not yet been exceded or false if it has.
///
/// Most passes should not call this routine directly. Instead, it is called
/// through a helper routine provided by the pass base class. For instance,
/// function passes should call FunctionPass::skipFunction().
template <class UnitT>
bool shouldRunPass(const Pass *P, const UnitT &U);
/// Checks the bisect limit to determine if the specified pass should run.
///
/// This function will immediate return true if bisection is disabled. If the
/// bisect limit is set to -1, the function will print a message describing
/// the pass and the bisect number assigned to it and return true. Otherwise,
/// the function will print a message with the bisect number assigned to the
/// pass and indicating whether or not the pass will be run and return true if
/// the bisect limit has not yet been exceded or false if it has.
///
/// In order to avoid duplicating the code necessary to access OptBisect
/// through the LLVMContext class, passes may call one of the helper
/// functions that get the context from an IR object. For instance,
/// function passes may call skipPassForFunction().
template <class UnitT>
bool shouldRunPass(const StringRef PassName, const UnitT &U);
/// Checks the bisect limit to determine if the optimization described by the
/// /p Desc argument should run.
///
/// This function will immediate return true if bisection is disabled. If the
/// bisect limit is set to -1, the function will print a message with the
/// bisect number assigned to the optimization along with the /p Desc
/// description and return true. Otherwise, the function will print a message
/// with the bisect number assigned to the optimization and indicating whether
/// or not the pass will be run and return true if the bisect limit has not
/// yet been exceded or false if it has.
///
/// Passes may call this function to provide more fine grained control over
/// individual optimizations performed by the pass. Passes which cannot be
/// skipped entirely (such as non-optional code generation passes) may still
/// call this function to control whether or not individual optional
/// transformations are performed.
bool shouldRunCase(const Twine &Desc);
private:
bool checkPass(const StringRef PassName, const StringRef TargetDesc);
bool BisectEnabled = false;
unsigned LastBisectNum = 0;
};
// Access to OptBisect should go through LLVMContext, but for the
// new pass manager there is no single base class from which a
// helper function to abstract the messy details can be provided.
// Instead, we provide standalone helper functions for each IR
// type that must be handled.
class Module;
class Function;
//class BasicBlock;
//class Loop;
/// Check with the OptBisect object to determine whether the described pass
/// should be skipped.
///
/// This is a helper function which abstracts the details of accessing OptBisect
/// through an LLVMContext obtained from a Module.
bool skipPassForModule(const StringRef PassName, const Module &M);
/// Check with the OptBisect object to determine whether the described pass
/// should be skipped.
///
/// This is a helper function which abstracts the details of accessing OptBisect
/// through an LLVMContext obtained from a Function.
bool skipPassForFunction(const StringRef PassName, const Function &F);
#if 0
/// Check with the OptBisect object to determine whether the described pass
/// should be skipped.
///
/// This is a helper function which abstracts the details of accessing OptBisect
/// through an LLVMContext obtained from a BasicBlock.
bool skipPassForBasicBlock(const StringRef PassName, const BasicBlock &BB);
/// Check with the OptBisect object to determine whether the described pass
/// should be skipped.
///
/// This is a helper function which abstracts the details of accessing OptBisect
/// through an LLVMContext obtained from a Loop.
bool skipPassForLoop(const StringRef PassName, const Loop &L);
#endif
// skiPassForSCC is declared in LazyCallGraph.h because of include file
// dependency issues related to LazyCallGraph::SCC being nested.
} // end namespace llvm
#endif // LLVM_IR_OPTBISECT_H

View File

@ -251,11 +251,6 @@ public:
explicit ModulePass(char &pid) : Pass(PT_Module, pid) {}
// Force out-of-line virtual method.
~ModulePass() override;
protected:
/// Optional passes call this function to check whether the pass should be
/// skipped. This is the case when optimization bisect is over the limit.
bool skipModule(Module &M) const;
};
@ -315,10 +310,9 @@ public:
PassManagerType getPotentialPassManagerType() const override;
protected:
/// Optional passes call this function to check whether the pass should be
/// skipped. This is the case when Attribute::OptimizeNone is set or when
/// optimization bisect is over the limit.
bool skipFunction(const Function &F) const;
/// skipOptnoneFunction - This function has Attribute::OptimizeNone
/// and most transformation passes should skip it.
bool skipOptnoneFunction(const Function &F) const;
};
@ -365,10 +359,9 @@ public:
PassManagerType getPotentialPassManagerType() const override;
protected:
/// Optional passes call this function to check whether the pass should be
/// skipped. This is the case when Attribute::OptimizeNone is set or when
/// optimization bisect is over the limit.
bool skipBasicBlock(const BasicBlock &BB) const;
/// skipOptnoneFunction - Containing function has Attribute::OptimizeNone
/// and most transformation passes should skip it.
bool skipOptnoneFunction(const BasicBlock &BB) const;
};
/// If the user specifies the -time-passes argument on an LLVM tool command line

View File

@ -23,7 +23,6 @@
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/LegacyPassManagers.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Timer.h"
@ -445,7 +444,7 @@ bool CGPassManager::runOnModule(Module &M) {
// Walk the callgraph in bottom-up SCC order.
scc_iterator<CallGraph*> CGI = scc_begin(&CG);
CallGraphSCC CurSCC(CG, &CGI);
CallGraphSCC CurSCC(&CGI);
while (!CGI.isAtEnd()) {
// Copy the current SCC and increment past it so that the pass can hack
// on the SCC if it wants to without invalidating our iterator.
@ -632,9 +631,3 @@ Pass *CallGraphSCCPass::createPrinterPass(raw_ostream &O,
return new PrintCallGraphPass(Banner, O);
}
bool CallGraphSCCPass::skipSCC(CallGraphSCC &SCC) const {
return !SCC.getCallGraph().getModule()
.getContext()
.getOptBisect()
.shouldRunPass(this, SCC);
}

View File

@ -16,7 +16,6 @@
#include "llvm/Analysis/LoopPass.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Timer.h"
@ -336,16 +335,11 @@ void LoopPass::assignPassManager(PMStack &PMS,
LPPM->add(this);
}
bool LoopPass::skipLoop(const Loop *L) const {
// Containing function has Attribute::OptimizeNone and transformation
// passes should skip it.
bool LoopPass::skipOptnoneFunction(const Loop *L) const {
const Function *F = L->getHeader()->getParent();
if (!F)
return false;
// Check the opt bisect limit.
LLVMContext &Context = F->getContext();
if (!Context.getOptBisect().shouldRunPass(this, *L))
return true;
// Check for the OptimizeNone attribute.
if (F->hasFnAttribute(Attribute::OptimizeNone)) {
if (F && F->hasFnAttribute(Attribute::OptimizeNone)) {
// FIXME: Report this to dbgs() only once per function.
DEBUG(dbgs() << "Skipping pass '" << getPassName()
<< "' in function " << F->getName() << "\n");

View File

@ -90,7 +90,7 @@ INITIALIZE_PASS(BranchFolderPass, "branch-folder",
"Control Flow Optimizer", false, false)
bool BranchFolderPass::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
TargetPassConfig *PassConfig = &getAnalysis<TargetPassConfig>();

View File

@ -211,7 +211,7 @@ FunctionPass *llvm::createCodeGenPreparePass(const TargetMachine *TM) {
}
bool CodeGenPrepare::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
DL = &F.getParent()->getDataLayout();

View File

@ -90,7 +90,7 @@ bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const {
}
bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
bool AnyChanges = false;

View File

@ -63,9 +63,6 @@ ModulePass *llvm::createLowerEmuTLSPass(const TargetMachine *TM) {
}
bool LowerEmuTLS::runOnModule(Module &M) {
if (skipModule(M))
return false;
if (!TM || !TM->Options.EmulatedTLS)
return false;

View File

@ -1430,7 +1430,7 @@ bool MachineBlockPlacement::runOnMachineFunction(MachineFunction &F) {
if (std::next(F.begin()) == F.end())
return false;
if (skipFunction(*F.getFunction()))
if (skipOptnoneFunction(*F.getFunction()))
return false;
MBPI = &getAnalysis<MachineBranchProbabilityInfo>();

View File

@ -704,7 +704,7 @@ bool MachineCSE::PerformCSE(MachineDomTreeNode *Node) {
}
bool MachineCSE::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
TII = MF.getSubtarget().getInstrInfo();

View File

@ -349,7 +349,7 @@ void MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) {
}
bool MachineCopyPropagation::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
Changed = false;

View File

@ -260,7 +260,7 @@ static bool LoopIsOuterMostWithPredecessor(MachineLoop *CurLoop) {
}
bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
Changed = FirstInLoop = false;

View File

@ -319,7 +319,7 @@ ScheduleDAGInstrs *PostMachineScheduler::createPostMachineScheduler() {
/// design would be to split blocks at scheduling boundaries, but LLVM has a
/// general bias against block splitting purely for implementation simplicity.
bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) {
if (skipFunction(*mf.getFunction()))
if (skipOptnoneFunction(*mf.getFunction()))
return false;
if (EnableMachineSched.getNumOccurrences()) {
@ -357,7 +357,7 @@ bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) {
}
bool PostMachineScheduler::runOnMachineFunction(MachineFunction &mf) {
if (skipFunction(*mf.getFunction()))
if (skipOptnoneFunction(*mf.getFunction()))
return false;
if (EnablePostRAMachineSched.getNumOccurrences()) {

View File

@ -257,7 +257,7 @@ MachineSinking::AllUsesDominatedByBlock(unsigned Reg,
}
bool MachineSinking::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
DEBUG(dbgs() << "******** Machine Sinking ********\n");

View File

@ -63,7 +63,7 @@ INITIALIZE_PASS(OptimizePHIs, "opt-phis",
"Optimize machine instruction PHIs", false, false)
bool OptimizePHIs::runOnMachineFunction(MachineFunction &Fn) {
if (skipFunction(*Fn.getFunction()))
if (skipOptnoneFunction(*Fn.getFunction()))
return false;
MRI = &Fn.getRegInfo();

View File

@ -1471,7 +1471,7 @@ bool PeepholeOptimizer::foldRedundantNAPhysCopy(
}
bool PeepholeOptimizer::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
DEBUG(dbgs() << "********** PEEPHOLE OPTIMIZER **********\n");

View File

@ -273,7 +273,7 @@ bool PostRAScheduler::enablePostRAScheduler(
}
bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
if (skipFunction(*Fn.getFunction()))
if (skipOptnoneFunction(*Fn.getFunction()))
return false;
TII = Fn.getSubtarget().getInstrInfo();

View File

@ -657,7 +657,7 @@ void StackColoring::expungeSlotMap(DenseMap<int, int> &SlotRemap,
}
bool StackColoring::runOnMachineFunction(MachineFunction &Func) {
if (skipFunction(*Func.getFunction()))
if (skipOptnoneFunction(*Func.getFunction()))
return false;
DEBUG(dbgs() << "********** Stack Coloring **********\n"

View File

@ -44,7 +44,7 @@ INITIALIZE_PASS(TailDuplicatePass, "tailduplication", "Tail Duplication", false,
false)
bool TailDuplicatePass::runOnMachineFunction(MachineFunction &MF) {
if (skipFunction(*MF.getFunction()))
if (skipOptnoneFunction(*MF.getFunction()))
return false;
auto MMI = getAnalysisIfAvailable<MachineModuleInfo>();

View File

@ -39,7 +39,6 @@ add_llvm_library(LLVMCore
Module.cpp
ModuleSummaryIndex.cpp
Operator.cpp
OptBisect.cpp
Pass.cpp
PassManager.cpp
PassRegistry.cpp

View File

@ -325,7 +325,3 @@ void LLVMContext::disableDebugTypeODRUniquing() { pImpl->DITypeMap.reset(); }
void LLVMContext::setDiscardValueNames(bool Discard) {
pImpl->DiscardValueNames = Discard;
}
OptBisect &LLVMContext::getOptBisect() {
return pImpl->getOptBisect();
}

View File

@ -16,8 +16,6 @@
#include "llvm/IR/Attributes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Support/ManagedStatic.h"
#include <algorithm>
using namespace llvm;
@ -234,19 +232,3 @@ void GetElementPtrConstantExpr::anchor() { }
void CompareConstantExpr::anchor() { }
/// Singleton instance of the OptBisect class.
///
/// This singleton is accessed via the LLVMContext::getOptBisect() function. It
/// provides a mechanism to disable passes and individual optimizations at
/// compile time based on a command line option (-opt-bisect-limit) in order to
/// perform a bisecting search for optimization-related problems.
///
/// Even if multiple LLVMContext objects are created, they will all return the
/// same instance of OptBisect in order to provide a single bisect count. Any
/// code that uses the OptBisect object should be serialized when bisection is
/// enabled in order to enable a consistent bisect count.
static ManagedStatic<OptBisect> OptBisector;
OptBisect &LLVMContextImpl::getOptBisect() {
return *OptBisector;
}

View File

@ -1133,10 +1133,6 @@ public:
/// Destroy the ConstantArrays if they are not used.
void dropTriviallyDeadConstantArrays();
/// \brief Access the object which manages optimization bisection for failure
/// analysis.
OptBisect &getOptBisect();
};
}

View File

@ -1,176 +0,0 @@
//===------- llvm/IR/OptBisect/Bisect.cpp - LLVM Bisect support --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements support for a bisecting optimizations based on a
/// command line option.
///
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/CallGraphSCCPass.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
static cl::opt<int> OptBisectLimit("opt-bisect-limit", cl::Hidden,
cl::init(INT_MAX), cl::Optional,
cl::desc("Maximum optimization to perform"));
OptBisect::OptBisect() {
BisectEnabled = OptBisectLimit != INT_MAX;
}
static void printPassMessage(const StringRef &Name, int PassNum,
StringRef TargetDesc, bool Running) {
StringRef Status = Running ? "" : "NOT ";
errs() << "BISECT: " << Status << "running pass "
<< "(" << PassNum << ") " << Name << " on " << TargetDesc << "\n";
}
static void printCaseMessage(int CaseNum, StringRef Msg, bool Running) {
if (Running)
errs() << "BISECT: running case (";
else
errs() << "BISECT: NOT running case (";
errs() << CaseNum << "): " << Msg << "\n";
}
static std::string getDescription(const Module &M) {
return "module (" + M.getName().str() + ")";
}
static std::string getDescription(const Function &F) {
return "function (" + F.getName().str() + ")";
}
static std::string getDescription(const BasicBlock &BB) {
return "basic block (" + BB.getName().str() + ") in function (" +
BB.getParent()->getName().str() + ")";
}
static std::string getDescription(const Loop &L) {
// FIXME: I'd like to be able to provide a better description here, but
// calling L->getHeader() would introduce a new dependency on the
// LLVMCore library.
return "loop";
}
static std::string getDescription(const CallGraphSCC &SCC) {
std::string Desc = "SCC (";
bool First = true;
for (CallGraphNode *CGN : SCC) {
if (First)
First = false;
else
Desc += ", ";
Function *F = CGN->getFunction();
if (F)
Desc += F->getName();
else
Desc += "<<null function>>";
}
Desc += ")";
return Desc;
}
static std::string getDescription(const LazyCallGraph::SCC &SCC) {
std::string Desc = "SCC (";
bool First = true;
for (LazyCallGraph::Node &CGN : SCC) {
if (First)
First = false;
else
Desc += ", ";
Function &F = CGN.getFunction();
Desc += F.getName();
}
Desc += ")";
return Desc;
}
// Force instantiations.
template bool OptBisect::shouldRunPass(const Pass *, const Module &);
template bool OptBisect::shouldRunPass(const Pass *, const Function &);
template bool OptBisect::shouldRunPass(const Pass *, const BasicBlock &);
template bool OptBisect::shouldRunPass(const Pass *, const Loop &);
template bool OptBisect::shouldRunPass(const Pass *, const CallGraphSCC &);
template bool OptBisect::shouldRunPass(const StringRef PassName,
const Module &);
template bool OptBisect::shouldRunPass(const StringRef PassName,
const Function &);
template bool OptBisect::shouldRunPass(const StringRef PassName,
const BasicBlock &);
template bool OptBisect::shouldRunPass(const StringRef PassName, const Loop &);
template bool OptBisect::shouldRunPass(const StringRef PassName,
const LazyCallGraph::SCC &);
template <class UnitT>
bool OptBisect::shouldRunPass(const Pass *P, const UnitT &U) {
if (!BisectEnabled)
return true;
return checkPass(P->getPassName(), getDescription(U));
}
// Interface function for the new pass manager.
template <class UnitT>
bool OptBisect::shouldRunPass(const StringRef PassName, const UnitT &U) {
if (!BisectEnabled)
return true;
return checkPass(PassName, getDescription(U));
}
bool OptBisect::checkPass(const StringRef PassName,
const StringRef TargetDesc) {
assert(BisectEnabled);
int CurBisectNum = ++LastBisectNum;
bool ShouldRun = (OptBisectLimit == -1 || CurBisectNum <= OptBisectLimit);
printPassMessage(PassName, CurBisectNum, TargetDesc, ShouldRun);
return ShouldRun;
}
bool OptBisect::shouldRunCase(const Twine &Msg) {
if (!BisectEnabled)
return true;
int CurFuelNum = ++LastBisectNum;
bool ShouldRun = (OptBisectLimit == -1 || CurFuelNum <= OptBisectLimit);
printCaseMessage(CurFuelNum, Msg.str(), ShouldRun);
return ShouldRun;
}
bool llvm::skipPassForModule(const StringRef PassName, const Module &M) {
return !M.getContext().getOptBisect().shouldRunPass(PassName, M);
}
bool llvm::skipPassForFunction(const StringRef PassName, const Function &F) {
return !F.getContext().getOptBisect().shouldRunPass(PassName, F);
}
#if 0
bool llvm::skipPassForBasicBlock(const StringRef PassName, const BasicBlock &BB) {
return !BB.getContext().getOptBisect().shouldRunPass(PassName, BB);
}
bool llvm::skipPassForLoop(const StringRef PassName, const Loop &L) {
const Function *F = L.getHeader()->getParent();
if (!F)
return false;
return !F->getContext().getOptBisect().shouldRunPass(PassName, L);
}
#endif
bool llvm::skipPassForSCC(const StringRef PassName, const LazyCallGraph::SCC &SCC) {
LLVMContext &Context = SCC.begin()->getFunction().getContext();
return !Context.getOptBisect().shouldRunPass(PassName, SCC);
}

View File

@ -17,8 +17,6 @@
#include "llvm/IR/Function.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LegacyPassNameParser.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/PassRegistry.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
@ -47,10 +45,6 @@ PassManagerType ModulePass::getPotentialPassManagerType() const {
return PMT_ModulePassManager;
}
bool ModulePass::skipModule(Module &M) const {
return !M.getContext().getOptBisect().shouldRunPass(this, M);
}
bool Pass::mustPreserveAnalysisID(char &AID) const {
return Resolver->getAnalysisIfAvailable(&AID, true) != nullptr;
}
@ -146,13 +140,10 @@ PassManagerType FunctionPass::getPotentialPassManagerType() const {
return PMT_FunctionPassManager;
}
bool FunctionPass::skipFunction(const Function &F) const {
if (!F.getContext().getOptBisect().shouldRunPass(this, F))
return true;
bool FunctionPass::skipOptnoneFunction(const Function &F) const {
if (F.hasFnAttribute(Attribute::OptimizeNone)) {
DEBUG(dbgs() << "Skipping pass '" << getPassName() << "' on function "
<< F.getName() << "\n");
DEBUG(dbgs() << "Skipping pass '" << getPassName()
<< "' on function " << F.getName() << "\n");
return true;
}
return false;
@ -177,13 +168,9 @@ bool BasicBlockPass::doFinalization(Function &) {
return false;
}
bool BasicBlockPass::skipBasicBlock(const BasicBlock &BB) const {
bool BasicBlockPass::skipOptnoneFunction(const BasicBlock &BB) const {
const Function *F = BB.getParent();
if (!F)
return false;
if (!F->getContext().getOptBisect().shouldRunPass(this, BB))
return true;
if (F->hasFnAttribute(Attribute::OptimizeNone)) {
if (F && F->hasFnAttribute(Attribute::OptimizeNone)) {
// Report this only once per function.
if (&BB == &F->getEntryBlock())
DEBUG(dbgs() << "Skipping pass '" << getPassName()

View File

@ -114,9 +114,6 @@ Pass *llvm::createArgumentPromotionPass(unsigned maxElements) {
}
bool ArgPromotion::runOnSCC(CallGraphSCC &SCC) {
if (skipSCC(SCC))
return false;
bool Changed = false, LocalChange;
do { // Iterate until we stop promoting from this SCC.

View File

@ -96,8 +96,6 @@ unsigned ConstantMerge::getAlignment(GlobalVariable *GV) const {
}
bool ConstantMerge::runOnModule(Module &M) {
if (skipModule(M))
return false;
// Find all the globals that are marked "used". These cannot be merged.
SmallPtrSet<const GlobalValue*, 8> UsedGlobals;

View File

@ -158,9 +158,6 @@ void CrossDSOCFI::buildCFICheck() {
}
bool CrossDSOCFI::runOnModule(Module &M) {
if (skipModule(M))
return false;
if (M.getModuleFlag("Cross-DSO CFI") == nullptr)
return false;
buildCFICheck();

View File

@ -1092,9 +1092,6 @@ bool DAE::RemoveDeadStuffFromFunction(Function *F) {
}
bool DAE::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
// First pass: Do a simple check to see if any functions can have their "..."

View File

@ -50,9 +50,6 @@ ModulePass *llvm::createEliminateAvailableExternallyPass() {
}
bool EliminateAvailableExternally::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
// Drop initializers of available externally global variables.

View File

@ -68,9 +68,6 @@ namespace {
: ModulePass(ID), Named(GVs.begin(), GVs.end()), deleteStuff(deleteS) {}
bool runOnModule(Module &M) override {
if (skipModule(M))
return false;
// Visit the global inline asm.
if (!deleteStuff)
M.setModuleInlineAsm("");

View File

@ -987,9 +987,6 @@ static bool addNoRecurseAttrs(const SCCNodeSet &SCCNodes) {
PreservedAnalyses PostOrderFunctionAttrsPass::run(LazyCallGraph::SCC &C,
CGSCCAnalysisManager &AM) {
if (skipPassForSCC(name(), C))
return PreservedAnalyses::all();
Module &M = *C.begin()->getFunction().getParent();
const ModuleAnalysisManager &MAM =
AM.getResult<ModuleAnalysisManagerCGSCCProxy>(C).getManager();
@ -1084,9 +1081,6 @@ INITIALIZE_PASS_END(PostOrderFunctionAttrsLegacyPass, "functionattrs",
Pass *llvm::createPostOrderFunctionAttrsLegacyPass() { return new PostOrderFunctionAttrsLegacyPass(); }
bool PostOrderFunctionAttrsLegacyPass::runOnSCC(CallGraphSCC &SCC) {
if (skipSCC(SCC))
return false;
TLI = &getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
bool Changed = false;
@ -1201,9 +1195,6 @@ static bool addNoRecurseAttrsTopDown(Function &F) {
}
bool ReversePostOrderFunctionAttrs::runOnModule(Module &M) {
if (skipModule(M))
return false;
// We only have a post-order SCC traversal (because SCCs are inherently
// discovered in post-order), so we accumulate them in a vector and then walk
// it in reverse. This is simpler than using the RPO iterator infrastructure

View File

@ -499,9 +499,6 @@ public:
: ModulePass(ID), Index(Index) {}
bool runOnModule(Module &M) override {
if (skipModule(M))
return false;
if (SummaryFile.empty() && !Index)
report_fatal_error("error: -function-import requires -summary-file or "
"file from frontend\n");

View File

@ -75,9 +75,6 @@ INITIALIZE_PASS(GlobalDCE, "globaldce",
ModulePass *llvm::createGlobalDCEPass() { return new GlobalDCE(); }
bool GlobalDCE::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
// Remove empty functions from the global ctors list.

View File

@ -2528,9 +2528,6 @@ bool GlobalOpt::OptimizeEmptyGlobalCXXDtors(Function *CXAAtExitFn) {
}
bool GlobalOpt::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
auto &DL = M.getDataLayout();

View File

@ -54,9 +54,6 @@ INITIALIZE_PASS(IPCP, "ipconstprop",
ModulePass *llvm::createIPConstantPropagationPass() { return new IPCP(); }
bool IPCP::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
bool LocalChange = true;

View File

@ -14,7 +14,6 @@
#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@ -956,9 +955,6 @@ static bool inferAllPrototypeAttributes(Module &M,
PreservedAnalyses InferFunctionAttrsPass::run(Module &M,
AnalysisManager<Module> &AM) {
if (skipPassForModule(name(), M))
return PreservedAnalyses::all();
auto &TLI = AM.getResult<TargetLibraryAnalysis>(M);
if (!inferAllPrototypeAttributes(M, TLI))
@ -983,9 +979,6 @@ struct InferFunctionAttrsLegacyPass : public ModulePass {
}
bool runOnModule(Module &M) override {
if (skipModule(M))
return false;
auto &TLI = getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
return inferAllPrototypeAttributes(M, TLI);
}

View File

@ -356,9 +356,6 @@ static bool InlineHistoryIncludes(Function *F, int InlineHistoryID,
}
bool Inliner::runOnSCC(CallGraphSCC &SCC) {
if (skipSCC(SCC))
return false;
CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
ACT = &getAnalysis<AssumptionCacheTracker>();
auto &TLI = getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();

View File

@ -105,9 +105,6 @@ public:
}
bool runOnModule(Module &M) override {
if (skipModule(M))
return false;
CallGraphWrapperPass *CGPass =
getAnalysisIfAvailable<CallGraphWrapperPass>();
CallGraph *CG = CGPass ? &CGPass->getCallGraph() : nullptr;

View File

@ -81,7 +81,7 @@ INITIALIZE_PASS(SingleLoopExtractor, "loop-extract-single",
Pass *llvm::createLoopExtractorPass() { return new LoopExtractor(); }
bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
// Only visit top-level loops.
@ -249,9 +249,6 @@ void BlockExtractorPass::SplitLandingPadPreds(Function *F) {
}
bool BlockExtractorPass::runOnModule(Module &M) {
if (skipModule(M))
return false;
std::set<BasicBlock*> TranslatedBlocksToNotExtract;
for (unsigned i = 0, e = BlocksToNotExtract.size(); i != e; ++i) {
BasicBlock *BB = BlocksToNotExtract[i];

View File

@ -1051,9 +1051,6 @@ bool LowerBitSets::eraseBitSetMetadata() {
}
bool LowerBitSets::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = buildBitSets();
Changed |= eraseBitSetMetadata();
return Changed;

View File

@ -1525,9 +1525,6 @@ bool MergeFunctions::doSanityCheck(std::vector<WeakVH> &Worklist) {
}
bool MergeFunctions::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
// All functions in the module, ordered by hash. Functions with a unique

View File

@ -149,9 +149,6 @@ Function* PartialInliner::unswitchFunction(Function* F) {
}
bool PartialInliner::runOnModule(Module& M) {
if (skipModule(M))
return false;
std::vector<Function*> worklist;
worklist.reserve(M.size());
for (Module::iterator FI = M.begin(), FE = M.end(); FI != FE; ++FI)

View File

@ -63,9 +63,6 @@ Pass *llvm::createPruneEHPass() { return new PruneEH(); }
bool PruneEH::runOnSCC(CallGraphSCC &SCC) {
if (skipSCC(SCC))
return false;
SmallPtrSet<CallGraphNode *, 8> SCCNodes;
CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
bool MadeChange = false;

View File

@ -17,7 +17,6 @@
#include "llvm/Transforms/IPO/StripDeadPrototypes.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/IPO.h"
@ -55,9 +54,6 @@ static bool stripDeadPrototypes(Module &M) {
}
PreservedAnalyses StripDeadPrototypesPass::run(Module &M) {
if (skipPassForModule(name(), M))
return PreservedAnalyses::all();
if (stripDeadPrototypes(M))
return PreservedAnalyses::none();
return PreservedAnalyses::all();
@ -73,9 +69,6 @@ public:
*PassRegistry::getPassRegistry());
}
bool runOnModule(Module &M) override {
if (skipModule(M))
return false;
return stripDeadPrototypes(M);
}
};

View File

@ -229,9 +229,6 @@ static bool StripSymbolNames(Module &M, bool PreserveDbgInfo) {
}
bool StripSymbols::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
Changed |= StripDebugInfo(M);
if (!OnlyDebugInfo)
@ -240,15 +237,10 @@ bool StripSymbols::runOnModule(Module &M) {
}
bool StripNonDebugSymbols::runOnModule(Module &M) {
if (skipModule(M))
return false;
return StripSymbolNames(M, true);
}
bool StripDebugDeclare::runOnModule(Module &M) {
if (skipModule(M))
return false;
Function *Declare = M.getFunction("llvm.dbg.declare");
std::vector<Constant*> DeadConstants;
@ -294,9 +286,6 @@ bool StripDebugDeclare::runOnModule(Module &M) {
/// optimized away by the optimizer. This special pass removes debug info for
/// such symbols.
bool StripDeadDebugInfo::runOnModule(Module &M) {
if (skipModule(M))
return false;
bool Changed = false;
LLVMContext &C = M.getContext();

View File

@ -265,12 +265,7 @@ struct WholeProgramDevirt : public ModulePass {
WholeProgramDevirt() : ModulePass(ID) {
initializeWholeProgramDevirtPass(*PassRegistry::getPassRegistry());
}
bool runOnModule(Module &M) {
if (skipModule(M))
return false;
return DevirtModule(M).run();
}
bool runOnModule(Module &M) { return DevirtModule(M).run(); }
};
} // anonymous namespace

View File

@ -56,7 +56,6 @@
#include "llvm/IR/Dominators.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/CommandLine.h"
@ -3102,9 +3101,6 @@ combineInstructionsOverFunction(Function &F, InstCombineWorklist &Worklist,
PreservedAnalyses InstCombinePass::run(Function &F,
AnalysisManager<Function> &AM) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
auto &AC = AM.getResult<AssumptionAnalysis>(F);
auto &DT = AM.getResult<DominatorTreeAnalysis>(F);
auto &TLI = AM.getResult<TargetLibraryAnalysis>(F);
@ -3137,7 +3133,7 @@ void InstructionCombiningPass::getAnalysisUsage(AnalysisUsage &AU) const {
}
bool InstructionCombiningPass::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
// Required analyses.

View File

@ -778,9 +778,6 @@ static void createIRLevelProfileFlagVariable(Module &M) {
}
bool PGOInstrumentationGen::runOnModule(Module &M) {
if (skipModule(M))
return false;
createIRLevelProfileFlagVariable(M);
for (auto &F : M) {
if (F.isDeclaration())
@ -804,9 +801,6 @@ static void setPGOCountOnFunc(PGOUseFunc &Func,
}
bool PGOInstrumentationUse::runOnModule(Module &M) {
if (skipModule(M))
return false;
DEBUG(dbgs() << "Read in profile counters: ");
auto &Ctx = M.getContext();
// Read the counter array from file.

View File

@ -132,9 +132,6 @@ bool ObjCARCAPElim::runOnModule(Module &M) {
if (!ModuleHasARC(M))
return false;
if (skipModule(M))
return false;
// Find the llvm.global_ctors variable, as the first step in
// identifying the global constructors. In theory, unnecessary autorelease
// pools could occur anywhere, but in practice it's pretty rare. Global

View File

@ -26,7 +26,6 @@
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Transforms/Scalar.h"
@ -147,9 +146,6 @@ static bool aggressiveDCE(Function& F) {
}
PreservedAnalyses ADCEPass::run(Function &F) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
if (aggressiveDCE(F))
return PreservedAnalyses::none();
return PreservedAnalyses::all();
@ -163,7 +159,7 @@ struct ADCELegacyPass : public FunctionPass {
}
bool runOnFunction(Function& F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
return aggressiveDCE(F);
}

View File

@ -59,7 +59,7 @@ INITIALIZE_PASS_END(BDCE, "bdce", "Bit-Tracking Dead Code Elimination",
false, false)
bool BDCE::runOnFunction(Function& F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
auto &DB = getAnalysis<DemandedBitsWrapperPass>().getDemandedBits();

View File

@ -187,7 +187,7 @@ FunctionPass *llvm::createConstantHoistingPass() {
/// \brief Perform the constant hoisting optimization for the given function.
bool ConstantHoisting::runOnFunction(Function &Fn) {
if (skipFunction(Fn))
if (skipOptnoneFunction(Fn))
return false;
DEBUG(dbgs() << "********** Begin Constant Hoisting **********\n");

View File

@ -399,7 +399,7 @@ Constant *CorrelatedValuePropagation::getConstantAt(Value *V, Instruction *At) {
}
bool CorrelatedValuePropagation::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
LVI = &getAnalysis<LazyValueInfo>();

View File

@ -41,7 +41,7 @@ namespace {
initializeDeadInstEliminationPass(*PassRegistry::getPassRegistry());
}
bool runOnBasicBlock(BasicBlock &BB) override {
if (skipBasicBlock(BB))
if (skipOptnoneFunction(BB))
return false;
auto *TLIP = getAnalysisIfAvailable<TargetLibraryInfoWrapperPass>();
TargetLibraryInfo *TLI = TLIP ? &TLIP->getTLI() : nullptr;
@ -122,7 +122,7 @@ static bool DCEInstruction(Instruction *I,
}
bool DCE::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
auto *TLIP = getAnalysisIfAvailable<TargetLibraryInfoWrapperPass>();

View File

@ -58,7 +58,7 @@ namespace {
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();

View File

@ -25,7 +25,6 @@
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
@ -813,9 +812,6 @@ bool EarlyCSE::run() {
PreservedAnalyses EarlyCSEPass::run(Function &F,
AnalysisManager<Function> &AM) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
auto &TLI = AM.getResult<TargetLibraryAnalysis>(F);
auto &TTI = AM.getResult<TargetIRAnalysis>(F);
auto &DT = AM.getResult<DominatorTreeAnalysis>(F);
@ -850,7 +846,7 @@ public:
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
auto &TLI = getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();

View File

@ -516,7 +516,7 @@ void Float2Int::cleanup() {
}
bool Float2Int::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
DEBUG(dbgs() << "F2I: Looking at function " << F.getName() << "\n");

View File

@ -43,7 +43,6 @@
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@ -585,9 +584,6 @@ void GVN::ValueTable::verifyRemoved(const Value *V) const {
//===----------------------------------------------------------------------===//
PreservedAnalyses GVN::run(Function &F, AnalysisManager<Function> &AM) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
// FIXME: The order of evaluation of these 'getResult' calls is very
// significant! Re-ordering these variables will cause GVN when run alone to
// be less effective! We should fix memdep and basic-aa to not exhibit this
@ -2678,7 +2674,7 @@ public:
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
return Impl.runImpl(

View File

@ -2122,7 +2122,7 @@ void IndVarSimplify::sinkUnusedInvariants(Loop *L) {
//===----------------------------------------------------------------------===//
bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
// If LoopSimplify form is not available, stay out of trouble. Some notes:

View File

@ -187,7 +187,7 @@ FunctionPass *llvm::createJumpThreadingPass(int Threshold) { return new JumpThre
/// runOnFunction - Top level algorithm.
///
bool JumpThreading::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
DEBUG(dbgs() << "Jump threading on function '" << F.getName() << "'\n");

View File

@ -174,7 +174,7 @@ Pass *llvm::createLICMPass() { return new LICM(); }
/// times on one loop.
///
bool LICM::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
Changed = false;

View File

@ -221,7 +221,7 @@ bool LoadCombine::combineLoads(SmallVectorImpl<LoadPOPPair> &Loads) {
}
bool LoadCombine::runOnBasicBlock(BasicBlock &BB) {
if (skipBasicBlock(BB))
if (skipOptnoneFunction(BB))
return false;
AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();

View File

@ -119,7 +119,7 @@ bool LoopDeletion::isLoopDead(Loop *L,
/// NOTE: This entire process relies pretty heavily on LoopSimplify and LCSSA
/// in order to make various safety checks work.
bool LoopDeletion::runOnLoop(Loop *L, LPPassManager &) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
DominatorTree &DT = getAnalysis<DominatorTreeWrapperPass>().getDomTree();

View File

@ -169,7 +169,7 @@ static void deleteDeadInstruction(Instruction *I,
//===----------------------------------------------------------------------===//
bool LoopIdiomRecognize::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
CurLoop = L;

View File

@ -65,7 +65,7 @@ Pass *llvm::createLoopInstSimplifyPass() {
}
bool LoopInstSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
DominatorTreeWrapperPass *DTWP =

View File

@ -531,9 +531,6 @@ public:
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
return false;
auto *LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
auto *LAA = &getAnalysis<LoopAccessAnalysis>();
auto *DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();

View File

@ -1536,7 +1536,7 @@ bool LoopReroll::reroll(Instruction *IV, Loop *L, BasicBlock *Header,
}
bool LoopReroll::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();

View File

@ -585,7 +585,7 @@ public:
}
bool runOnLoop(Loop *L, LPPassManager &LPM) override {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
Function &F = *L->getHeader()->getParent();

View File

@ -91,7 +91,7 @@ static bool simplifyLoopCFG(Loop *L, DominatorTree *DT, LoopInfo *LI) {
/// runOnLoop - Perform basic CFG simplifications to assist other loop passes.
/// For now, this only attempts to merge blocks in the trivial case.
bool LoopSimplifyCFG::runOnLoop(Loop *L, LPPassManager &) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
DominatorTree *DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();

View File

@ -5002,7 +5002,7 @@ void LoopStrengthReduce::getAnalysisUsage(AnalysisUsage &AU) const {
}
bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager & /*LPM*/) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
auto &IU = getAnalysis<IVUsers>();

View File

@ -787,7 +787,7 @@ public:
Optional<bool> ProvidedRuntime;
bool runOnLoop(Loop *L, LPPassManager &) override {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
Function &F = *L->getHeader()->getParent();

View File

@ -420,7 +420,7 @@ static Value *FindLIVLoopCondition(Value *Cond, Loop *L, bool &Changed) {
}
bool LoopUnswitch::runOnLoop(Loop *L, LPPassManager &LPM_Ref) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
AC = &getAnalysis<AssumptionCacheTracker>().getAssumptionCache(

View File

@ -531,7 +531,7 @@ void LoopVersioningLICM::setNoAliasToLoop(Loop *VerLoop) {
}
bool LoopVersioningLICM::runOnLoop(Loop *L, LPPassManager &LPM) {
if (skipLoop(L))
if (skipOptnoneFunction(L))
return false;
Changed = false;
// Get Analysis information.

View File

@ -116,7 +116,7 @@ namespace {
initializeLowerAtomicPass(*PassRegistry::getPassRegistry());
}
bool runOnBasicBlock(BasicBlock &BB) override {
if (skipBasicBlock(BB))
if (skipOptnoneFunction(BB))
return false;
bool Changed = false;
for (BasicBlock::iterator DI = BB.begin(), DE = BB.end(); DI != DE; ) {

View File

@ -1361,7 +1361,7 @@ bool MemCpyOpt::iterateOnFunction(Function &F) {
/// This is the main transformation entry point for a function.
bool MemCpyOpt::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
bool MadeChange = false;

View File

@ -560,9 +560,6 @@ bool MergedLoadStoreMotion::mergeStores(BasicBlock *T) {
/// \brief Run the transformation for each function
///
bool MergedLoadStoreMotion::runOnFunction(Function &F) {
if (skipFunction(F))
return false;
auto *MDWP = getAnalysisIfAvailable<MemoryDependenceWrapperPass>();
MD = MDWP ? &MDWP->getMemDep() : nullptr;
AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();

View File

@ -208,7 +208,7 @@ FunctionPass *llvm::createNaryReassociatePass() {
}
bool NaryReassociate::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
AC = &getAnalysis<AssumptionCacheTracker>().getAssumptionCache(F);

View File

@ -2257,7 +2257,7 @@ void Reassociate::ReassociateExpression(BinaryOperator *I) {
}
bool Reassociate::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
// Reassociate needs for each instruction to have its operands already

View File

@ -1568,7 +1568,7 @@ FunctionPass *llvm::createSCCPPass() {
// and return true if the function was modified.
//
bool SCCP::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
DEBUG(dbgs() << "SCCP on function '" << F.getName() << "'\n");
@ -1705,9 +1705,6 @@ static bool AddressIsTaken(const GlobalValue *GV) {
}
bool IPSCCP::runOnModule(Module &M) {
if (skipModule(M))
return false;
const DataLayout &DL = M.getDataLayout();
const TargetLibraryInfo *TLI =
&getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();

View File

@ -43,7 +43,6 @@
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
@ -4230,9 +4229,6 @@ PreservedAnalyses SROA::runImpl(Function &F, DominatorTree &RunDT,
}
PreservedAnalyses SROA::run(Function &F, AnalysisManager<Function> &AM) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
return runImpl(F, AM.getResult<DominatorTreeAnalysis>(F),
AM.getResult<AssumptionAnalysis>(F));
}
@ -4250,7 +4246,7 @@ public:
initializeSROALegacyPassPass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
auto PA = Impl.runImpl(

View File

@ -1026,7 +1026,7 @@ ConvertScalar_InsertValue(Value *SV, Value *Old,
bool SROA::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
bool Changed = performPromotion(F);

View File

@ -1064,7 +1064,7 @@ bool SeparateConstOffsetFromGEP::splitGEP(GetElementPtrInst *GEP) {
}
bool SeparateConstOffsetFromGEP::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
if (DisableSeparateConstOffsetFromGEP)

View File

@ -36,7 +36,6 @@
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/OptBisect.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Utils/Local.h"
@ -188,9 +187,6 @@ SimplifyCFGPass::SimplifyCFGPass(int BonusInstThreshold)
PreservedAnalyses SimplifyCFGPass::run(Function &F,
AnalysisManager<Function> &AM) {
if (skipPassForFunction(name(), F))
return PreservedAnalyses::all();
auto &TTI = AM.getResult<TargetIRAnalysis>(F);
auto &AC = AM.getResult<AssumptionAnalysis>(F);
@ -216,7 +212,7 @@ struct CFGSimplifyPass : public FunctionPass {
if (PredicateFtor && !PredicateFtor(F))
return false;
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
AssumptionCache *AC =

View File

@ -141,7 +141,7 @@ void SpeculativeExecution::getAnalysisUsage(AnalysisUsage &AU) const {
}
bool SpeculativeExecution::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
TTI = &getAnalysis<TargetTransformInfoWrapperPass>().getTTI(F);

View File

@ -682,7 +682,7 @@ void StraightLineStrengthReduce::rewriteCandidateWithBasis(
}
bool StraightLineStrengthReduce::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
TTI = &getAnalysis<TargetTransformInfoWrapperPass>().getTTI(F);

View File

@ -157,7 +157,7 @@ static bool CanTRE(Function &F) {
}
bool TailCallElim::runOnFunction(Function &F) {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
if (F.getFnAttribute("disable-tail-calls").getValueAsString() == "true")

View File

@ -59,13 +59,13 @@ INITIALIZE_PASS_END(PromotePass, "mem2reg", "Promote Memory to Register",
false, false)
bool PromotePass::runOnFunction(Function &F) {
if (skipFunction(F))
return false;
std::vector<AllocaInst*> Allocas;
BasicBlock &BB = F.getEntryBlock(); // Get the entry node for the function
if (F.hasFnAttribute(Attribute::OptimizeNone))
return false;
bool Changed = false;
DominatorTree &DT = getAnalysis<DominatorTreeWrapperPass>().getDomTree();

View File

@ -397,7 +397,7 @@ namespace {
Instruction *I, Instruction *J);
bool vectorizeBB(BasicBlock &BB) {
if (skipBasicBlock(BB))
if (skipOptnoneFunction(BB))
return false;
if (!DT->isReachableFromEntry(&BB)) {
DEBUG(dbgs() << "BBV: skipping unreachable " << BB.getName() <<

View File

@ -1707,9 +1707,6 @@ struct LoopVectorize : public FunctionPass {
BlockFrequency ColdEntryFreq;
bool runOnFunction(Function &F) override {
if (skipFunction(F))
return false;
SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
TTI = &getAnalysis<TargetTransformInfoWrapperPass>().getTTI(F);

View File

@ -3396,7 +3396,7 @@ struct SLPVectorizer : public FunctionPass {
}
bool runOnFunction(Function &F) override {
if (skipFunction(F))
if (skipOptnoneFunction(F))
return false;
SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();

View File

@ -1,39 +0,0 @@
#!/usr/bin/env python
import os
import sys
import argparse
import subprocess
parser = argparse.ArgumentParser()
parser.add_argument('--start', type=int, default=0)
parser.add_argument('--end', type=int, default=(1 << 32))
parser.add_argument('--optcmd', default=("opt"))
parser.add_argument('--filecheckcmd', default=("FileCheck"))
parser.add_argument('--prefix', default=("CHECK-BISECT"))
parser.add_argument('--test', default=(""))
args = parser.parse_args()
start = args.start
end = args.end
opt_command = [args.optcmd, "-O2", "-opt-bisect-limit=%(count)s", "-S", args.test]
check_command = [args.filecheckcmd, args.test, "--check-prefix=%s" % args.prefix]
last = None
while start != end and start != end-1:
count = int(round(start + (end - start)/2))
cmd = [x % {'count':count} for x in opt_command]
print("opt: " + str(cmd))
opt_result = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
filecheck_result = subprocess.Popen(check_command, stdin=opt_result.stdout)
opt_result.stdout.close()
opt_result.stderr.close()
filecheck_result.wait()
if filecheck_result.returncode == 0:
start = count
else:
end = count
print("Last good count: %d" % start)

View File

@ -1,148 +0,0 @@
; This file verifies the behavior of the OptBisect class, which is used to
; diagnose optimization related failures. The tests check various
; invocations that result in different sets of optimization passes that
; are run in different ways.
;
; This set of tests exercises the legacy pass manager interface to the OptBisect
; class. Because the exact set of optimizations that will be run may
; change over time, these tests are written in a more general manner than the
; corresponding tests for the new pass manager.
;
; Don't use NEXT checks or hard-code pass numbering so that this won't fail if
; new passes are inserted.
; Verify that the file can be compiled to an object file at -O3 with all
; skippable passes skipped.
; RUN: opt -O3 -opt-bisect-limit=0 < %s | llc -O3 -opt-bisect-limit=0
; Verify that no skippable passes are run with -opt-bisect-limit=0.
; RUN: opt -disable-output -disable-verify -O3 -opt-bisect-limit=0 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-SKIP-ALL
; CHECK-SKIP-ALL: BISECT: NOT running pass ({{[0-9]+}})
; CHECK-SKIP-ALL-NOT: BISECT: running pass ({{[0-9]+}})
; Verify that we can use the opt-bisect-helper.py script (derived from
; utils/bisect) to locate the optimization that inlines the call to
; f2() in f3().
; RUN: %python %S/opt-bisect-helper.py --start=0 --end=256 --optcmd=opt \
; RUN: --filecheckcmd=FileCheck --test=%s \
; RUN: --prefix=CHECK-BISECT-INLINE-HELPER \
; RUN: | FileCheck %s --check-prefix=CHECK-BISECT-INLINE-RESULT
; The helper script uses this to find the optimization that inlines the call.
; CHECK-BISECT-INLINE-HELPER: call i32 @f2()
; These checks verifies that the optimization was found.
; CHECK-BISECT-INLINE-RESULT-NOT: Last good count: 0
; CHECK-BISECT-INLINE-RESULT: Last good count: {{[0-9]+}}
; Test a module pass.
; RUN: opt -disable-output -disable-verify -deadargelim -opt-bisect-limit=-1 %s \
; RUN: 2>&1 | FileCheck %s --check-prefix=CHECK-DEADARG
; CHECK-DEADARG: BISECT: running pass ({{[0-9]+}}) Dead Argument Elimination on module
; RUN: opt -disable-output -disable-verify -deadargelim -opt-bisect-limit=0 %s \
; RUN: 2>&1 | FileCheck %s --check-prefix=CHECK-NOT-DEADARG
; CHECK-NOT-DEADARG: BISECT: NOT running pass ({{[0-9]+}}) Dead Argument Elimination on module
; Test an SCC pass.
; RUN: opt -disable-output -disable-verify -inline -opt-bisect-limit=-1 %s \
; RUN: 2>&1 | FileCheck %s --check-prefix=CHECK-INLINE
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (<<null function>>)
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (g)
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f1)
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f2)
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f3)
; CHECK-INLINE: BISECT: running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (<<null function>>)
; RUN: opt -disable-output -disable-verify -inline -opt-bisect-limit=0 %s \
; RUN: 2>&1 | FileCheck %s --check-prefix=CHECK-NOT-INLINE
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (<<null function>>)
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (g)
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f1)
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f2)
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (f3)
; CHECK-NOT-INLINE: BISECT: NOT running pass ({{[0-9]+}}) Function Integration/Inlining on SCC (<<null function>>)
; Test a function pass.
; RUN: opt -disable-output -disable-verify -early-cse -opt-bisect-limit=-1 \
; RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-EARLY-CSE
; CHECK-EARLY-CSE: BISECT: running pass ({{[0-9]+}}) Early CSE on function (f1)
; CHECK-EARLY-CSE: BISECT: running pass ({{[0-9]+}}) Early CSE on function (f2)
; CHECK-EARLY-CSE: BISECT: running pass ({{[0-9]+}}) Early CSE on function (f3)
; RUN: opt -disable-output -disable-verify -early-cse -opt-bisect-limit=0 %s \
; RUN: 2>&1 | FileCheck %s --check-prefix=CHECK-NOT-EARLY-CSE
; CHECK-NOT-EARLY-CSE: BISECT: NOT running pass ({{[0-9]+}}) Early CSE on function (f1)
; CHECK-NOT-EARLY-CSE: BISECT: NOT running pass ({{[0-9]+}}) Early CSE on function (f2)
; CHECK-NOT-EARLY-CSE: BISECT: NOT running pass ({{[0-9]+}}) Early CSE on function (f3)
; Test a loop pass.
; RUN: opt -disable-output -disable-verify -loop-reduce -opt-bisect-limit=-1 \
; RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-LOOP-REDUCE
; CHECK-LOOP-REDUCE: BISECT: running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-LOOP-REDUCE: BISECT: running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-LOOP-REDUCE: BISECT: running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-LOOP-REDUCE: BISECT: running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-LOOP-REDUCE: BISECT: running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; RUN: opt -disable-output -disable-verify -loop-reduce -opt-bisect-limit=0 \
; RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOT-LOOP-REDUCE
; CHECK-NOT-LOOP-REDUCE: BISECT: NOT running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-NOT-LOOP-REDUCE: BISECT: NOT running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-NOT-LOOP-REDUCE: BISECT: NOT running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-NOT-LOOP-REDUCE: BISECT: NOT running pass ({{[0-9]+}}) Loop Strength Reduction on loop
; CHECK-NOT-LOOP-REDUCE: BISECT: NOT running pass ({{[0-9]+}}) Loop Strength Reduction on loop
declare i32 @g()
define void @f1() {
entry:
br label %loop.0
loop.0:
br i1 undef, label %loop.0.0, label %loop.1
loop.0.0:
br i1 undef, label %loop.0.0, label %loop.0.1
loop.0.1:
br i1 undef, label %loop.0.1, label %loop.0
loop.1:
br i1 undef, label %loop.1, label %loop.1.bb1
loop.1.bb1:
br i1 undef, label %loop.1, label %loop.1.bb2
loop.1.bb2:
br i1 undef, label %end, label %loop.1.0
loop.1.0:
br i1 undef, label %loop.1.0, label %loop.1
end:
ret void
}
define i32 @f2() {
entry:
ret i32 0
}
define i32 @f3() {
entry:
%temp = call i32 @g()
%icmp = icmp ugt i32 %temp, 2
br i1 %icmp, label %bb.true, label %bb.false
bb.true:
%temp2 = call i32 @f2()
ret i32 %temp2
bb.false:
ret i32 0
}

View File

@ -1,109 +0,0 @@
; This file verifies the behavior of the OptBisect class, which is used to
; diagnose optimization related failures. The tests check various
; invocations that result in different sets of optimization passes that
; are run in different ways.
;
; Because the exact set of optimizations that will be run is expected to
; change over time, the checks for disabling passes are written in a
; conservative way that avoids assumptions about which specific passes
; will be disabled.
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=inferattrs -opt-bisect-limit=-1 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MODULE-PASS
; CHECK-MODULE-PASS: BISECT: running pass (1) InferFunctionAttrsPass on module
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=inferattrs -opt-bisect-limit=0 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-LIMIT-MODULE-PASS
; CHECK-LIMIT-MODULE-PASS: BISECT: NOT running pass (1) InferFunctionAttrsPass on module
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=early-cse -opt-bisect-limit=-1 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-FUNCTION-PASS
; CHECK-FUNCTION-PASS: BISECT: running pass (1) EarlyCSEPass on function (f1)
; CHECK-FUNCTION-PASS: BISECT: running pass (2) EarlyCSEPass on function (f2)
; CHECK-FUNCTION-PASS: BISECT: running pass (3) EarlyCSEPass on function (f3)
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=early-cse -opt-bisect-limit=2 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-LIMIT-FUNCTION-PASS
; CHECK-LIMIT-FUNCTION-PASS: BISECT: running pass (1) EarlyCSEPass on function (f1)
; CHECK-LIMIT-FUNCTION-PASS: BISECT: running pass (2) EarlyCSEPass on function (f2)
; CHECK-LIMIT-FUNCTION-PASS: BISECT: NOT running pass (3) EarlyCSEPass on function (f3)
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=function-attrs -opt-bisect-limit=-1 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-CGSCC-PASS
; CHECK-CGSCC-PASS: BISECT: running pass (1) PostOrderFunctionAttrsPass on SCC (f2)
; CHECK-CGSCC-PASS: BISECT: running pass (2) PostOrderFunctionAttrsPass on SCC (f3)
; CHECK-CGSCC-PASS: BISECT: running pass (3) PostOrderFunctionAttrsPass on SCC (f1)
; RUN: opt -disable-output -disable-verify \
; RUN: -passes=function-attrs -opt-bisect-limit=2 %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-LIMIT-CGSCC-PASS
; CHECK-LIMIT-CGSCC-PASS: BISECT: running pass (1) PostOrderFunctionAttrsPass on SCC (f2)
; CHECK-LIMIT-CGSCC-PASS: BISECT: running pass (2) PostOrderFunctionAttrsPass on SCC (f3)
; CHECK-LIMIT-CGSCC-PASS: BISECT: NOT running pass (3) PostOrderFunctionAttrsPass on SCC (f1)
; RUN: opt -disable-output -disable-verify -opt-bisect-limit=-1 \
; RUN: -passes='inferattrs,cgscc(function-attrs,function(early-cse))' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-MULTI-PASS
; CHECK-MULTI-PASS: BISECT: running pass (1) InferFunctionAttrsPass on module
; CHECK-MULTI-PASS: BISECT: running pass (2) PostOrderFunctionAttrsPass on SCC (f2)
; CHECK-MULTI-PASS: BISECT: running pass (3) EarlyCSEPass on function (f2)
; CHECK-MULTI-PASS: BISECT: running pass (4) PostOrderFunctionAttrsPass on SCC (f3)
; CHECK-MULTI-PASS: BISECT: running pass (5) EarlyCSEPass on function (f3)
; CHECK-MULTI-PASS: BISECT: running pass (6) PostOrderFunctionAttrsPass on SCC (f1)
; CHECK-MULTI-PASS: BISECT: running pass (7) EarlyCSEPass on function (f1)
; RUN: opt -disable-output -disable-verify -opt-bisect-limit=5 \
; RUN: -passes='inferattrs,cgscc(function-attrs,function(early-cse))' %s 2>&1 \
; RUN: | FileCheck %s --check-prefix=CHECK-LIMIT-MULTI-PASS
; CHECK-LIMIT-MULTI-PASS: BISECT: running pass (1) InferFunctionAttrsPass on module
; CHECK-LIMIT-MULTI-PASS: BISECT: running pass (2) PostOrderFunctionAttrsPass on SCC (f2)
; CHECK-LIMIT-MULTI-PASS: BISECT: running pass (3) EarlyCSEPass on function (f2)
; CHECK-LIMIT-MULTI-PASS: BISECT: running pass (4) PostOrderFunctionAttrsPass on SCC (f3)
; CHECK-LIMIT-MULTI-PASS: BISECT: running pass (5) EarlyCSEPass on function (f3)
; CHECK-LIMIT-MULTI-PASS: BISECT: NOT running pass (6) PostOrderFunctionAttrsPass on SCC (f1)
; CHECK-LIMIT-MULTI-PASS: BISECT: NOT running pass (7) EarlyCSEPass on function (f1)
declare i32 @g()
define void @f1() {
entry:
br label %loop.0
loop.0:
br i1 undef, label %loop.0.0, label %loop.1
loop.0.0:
br i1 undef, label %loop.0.0, label %loop.0.1
loop.0.1:
br i1 undef, label %loop.0.1, label %loop.0
loop.1:
br i1 undef, label %loop.1, label %loop.1.bb1
loop.1.bb1:
br i1 undef, label %loop.1, label %loop.1.bb2
loop.1.bb2:
br i1 undef, label %end, label %loop.1.0
loop.1.0:
br i1 undef, label %loop.1.0, label %loop.1
end:
ret void
}
define i32 @f2() {
entry:
ret i32 0
}
define i32 @f3() {
entry:
%temp = call i32 @g()
%icmp = icmp ugt i32 %temp, 2
br i1 %icmp, label %bb.true, label %bb.false
bb.true:
%temp2 = call i32 @f2()
ret i32 %temp2
bb.false:
ret i32 0
}