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[PM/AA] Run clang-format over the SCEV-AA code to normalize the

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formatting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2015-08-14 03:12:16 +00:00
parent 217849dc42
commit 72644dfdcd
2 changed files with 41 additions and 42 deletions
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include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
+31 -32
View File
@@ -23,44 +23,43 @@
namespace llvm {
/// ScalarEvolutionAliasAnalysis - This is a simple alias analysis
/// implementation that uses ScalarEvolution to answer queries.
class ScalarEvolutionAliasAnalysis : public FunctionPass,
public AliasAnalysis {
ScalarEvolution *SE;
/// ScalarEvolutionAliasAnalysis - This is a simple alias analysis
/// implementation that uses ScalarEvolution to answer queries.
class ScalarEvolutionAliasAnalysis : public FunctionPass, public AliasAnalysis {
ScalarEvolution *SE;
public:
static char ID; // Class identification, replacement for typeinfo
ScalarEvolutionAliasAnalysis() : FunctionPass(ID), SE(nullptr) {
initializeScalarEvolutionAliasAnalysisPass(
public:
static char ID; // Class identification, replacement for typeinfo
ScalarEvolutionAliasAnalysis() : FunctionPass(ID), SE(nullptr) {
initializeScalarEvolutionAliasAnalysisPass(
*PassRegistry::getPassRegistry());
}
}
/// getAdjustedAnalysisPointer - This method is used when a pass implements
/// an analysis interface through multiple inheritance. If needed, it
/// should override this to adjust the this pointer as needed for the
/// specified pass info.
void *getAdjustedAnalysisPointer(AnalysisID PI) override {
if (PI == &AliasAnalysis::ID)
return (AliasAnalysis*)this;
return this;
}
/// getAdjustedAnalysisPointer - This method is used when a pass implements
/// an analysis interface through multiple inheritance. If needed, it
/// should override this to adjust the this pointer as needed for the
/// specified pass info.
void *getAdjustedAnalysisPointer(AnalysisID PI) override {
if (PI == &AliasAnalysis::ID)
return (AliasAnalysis *)this;
return this;
}
private:
void getAnalysisUsage(AnalysisUsage &AU) const override;
bool runOnFunction(Function &F) override;
AliasResult alias(const MemoryLocation &LocA,
const MemoryLocation &LocB) override;
private:
void getAnalysisUsage(AnalysisUsage &AU) const override;
bool runOnFunction(Function &F) override;
AliasResult alias(const MemoryLocation &LocA,
const MemoryLocation &LocB) override;
Value *GetBaseValue(const SCEV *S);
};
Value *GetBaseValue(const SCEV *S);
};
//===--------------------------------------------------------------------===//
//
// createScalarEvolutionAliasAnalysisPass - This pass implements a simple
// alias analysis using ScalarEvolution queries.
//
FunctionPass *createScalarEvolutionAliasAnalysisPass();
//===--------------------------------------------------------------------===//
//
// createScalarEvolutionAliasAnalysisPass - This pass implements a simple
// alias analysis using ScalarEvolution queries.
//
FunctionPass *createScalarEvolutionAliasAnalysisPass();
}
lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
+10 -10
View File
@@ -25,24 +25,24 @@ using namespace llvm;
// Register this pass...
char ScalarEvolutionAliasAnalysis::ID = 0;
INITIALIZE_AG_PASS_BEGIN(ScalarEvolutionAliasAnalysis, AliasAnalysis, "scev-aa",
"ScalarEvolution-based Alias Analysis", false, true, false)
"ScalarEvolution-based Alias Analysis", false, true,
false)
INITIALIZE_PASS_DEPENDENCY(ScalarEvolution)
INITIALIZE_AG_PASS_END(ScalarEvolutionAliasAnalysis, AliasAnalysis, "scev-aa",
"ScalarEvolution-based Alias Analysis", false, true, false)
"ScalarEvolution-based Alias Analysis", false, true,
false)
FunctionPass *llvm::createScalarEvolutionAliasAnalysisPass() {
return new ScalarEvolutionAliasAnalysis();
}
void
ScalarEvolutionAliasAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
void ScalarEvolutionAliasAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredTransitive<ScalarEvolution>();
AU.setPreservesAll();
AliasAnalysis::getAnalysisUsage(AU);
}
bool
ScalarEvolutionAliasAnalysis::runOnFunction(Function &F) {
bool ScalarEvolutionAliasAnalysis::runOnFunction(Function &F) {
InitializeAliasAnalysis(this, &F.getParent()->getDataLayout());
SE = &getAnalysis<ScalarEvolution>();
return false;
@@ -50,15 +50,14 @@ ScalarEvolutionAliasAnalysis::runOnFunction(Function &F) {
/// GetBaseValue - Given an expression, try to find a
/// base value. Return null is none was found.
Value *
ScalarEvolutionAliasAnalysis::GetBaseValue(const SCEV *S) {
Value *ScalarEvolutionAliasAnalysis::GetBaseValue(const SCEV *S) {
if (const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(S)) {
// In an addrec, assume that the base will be in the start, rather
// than the step.
return GetBaseValue(AR->getStart());
} else if (const SCEVAddExpr *A = dyn_cast<SCEVAddExpr>(S)) {
// If there's a pointer operand, it'll be sorted at the end of the list.
const SCEV *Last = A->getOperand(A->getNumOperands()-1);
const SCEV *Last = A->getOperand(A->getNumOperands() - 1);
if (Last->getType()->isPointerTy())
return GetBaseValue(Last);
} else if (const SCEVUnknown *U = dyn_cast<SCEVUnknown>(S)) {
@@ -82,7 +81,8 @@ AliasResult ScalarEvolutionAliasAnalysis::alias(const MemoryLocation &LocA,
const SCEV *BS = SE->getSCEV(const_cast<Value *>(LocB.Ptr));
// If they evaluate to the same expression, it's a MustAlias.
if (AS == BS) return MustAlias;
if (AS == BS)
return MustAlias;
// If something is known about the difference between the two addresses,
// see if it's enough to prove a NoAlias.