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Fix PR 1526.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-06-28 23:09:25 +00:00
parent 8b42bcdd1a
commit 28552da9c3
2 changed files with 39 additions and 0 deletions
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5
test/Other/2007-06-28-PassManager.ll Normal file
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@ -0,0 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -inline -disable-output
; PR 1526
define i32 @test1() {
ret i32 0;
}

34
tools/opt/opt.cpp
View File

@ -14,10 +14,12 @@
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CallGraphSCCPass.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/PassNameParser.h"
@ -94,6 +96,36 @@ AnalyzeOnly("analyze", cl::desc("Only perform analysis, no optimization"));
// ---------- Define Printers for module and function passes ------------
namespace {
struct CallGraphSCCPassPrinter : public CallGraphSCCPass {
static char ID;
const PassInfo *PassToPrint;
CallGraphSCCPassPrinter(const PassInfo *PI) :
CallGraphSCCPass((intptr_t)&ID), PassToPrint(PI) {}
virtual bool runOnSCC(const std::vector<CallGraphNode *>&SCC) {
if (!Quiet) {
cout << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
Function *F = SCC[i]->getFunction();
if (F)
getAnalysisID<Pass>(PassToPrint).print(cout, F->getParent());
}
}
// Get and print pass...
return false;
}
virtual const char *getPassName() const { return "'Pass' Printer"; }
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(PassToPrint);
AU.setPreservesAll();
}
};
char CallGraphSCCPassPrinter::ID = 0;
struct ModulePassPrinter : public ModulePass {
static char ID;
const PassInfo *PassToPrint;
@ -342,6 +374,8 @@ int main(int argc, char **argv) {
Passes.add(new BasicBlockPassPrinter(PassInf));
else if (dynamic_cast<FunctionPass*>(P))
Passes.add(new FunctionPassPrinter(PassInf));
else if (dynamic_cast<CallGraphSCCPass*>(P))
Passes.add(new CallGraphSCCPassPrinter(PassInf));
else
Passes.add(new ModulePassPrinter(PassInf));
}