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Don't print "Modified" for passes which haven't modified anything. 

llvm-svn: 97446
This commit is contained in:
Dan Gohman 2010-03-01 17:34:28 +00:00
parent 2528936379
commit 74b189fcb2
1 changed files with 12 additions and 6 deletions
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18
llvm/lib/VMCore/PassManager.cpp
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@ -1118,6 +1118,7 @@ bool BBPassManager::runOnFunction(Function &F) {
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
bool LocalChanged = false;
dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName());
dumpRequiredSet(BP);
@ -1129,11 +1130,12 @@ bool BBPassManager::runOnFunction(Function &F) {
PassManagerPrettyStackEntry X(BP, *I);
Timer *T = StartPassTimer(BP);
Changed |= BP->runOnBasicBlock(*I);
LocalChanged |= BP->runOnBasicBlock(*I);
StopPassTimer(BP, T);
}
if (Changed)
Changed |= LocalChanged;
if (LocalChanged)
dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG,
I->getName());
dumpPreservedSet(BP);
@ -1334,6 +1336,7 @@ bool FPPassManager::runOnFunction(Function &F) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
bool LocalChanged = false;
dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());
dumpRequiredSet(FP);
@ -1344,11 +1347,12 @@ bool FPPassManager::runOnFunction(Function &F) {
PassManagerPrettyStackEntry X(FP, F);
Timer *T = StartPassTimer(FP);
Changed |= FP->runOnFunction(F);
LocalChanged |= FP->runOnFunction(F);
StopPassTimer(FP, T);
}
if (Changed)
Changed |= LocalChanged;
if (LocalChanged)
dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName());
dumpPreservedSet(FP);
@ -1407,6 +1411,7 @@ MPPassManager::runOnModule(Module &M) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
bool LocalChanged = false;
dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier());
dumpRequiredSet(MP);
@ -1416,11 +1421,12 @@ MPPassManager::runOnModule(Module &M) {
{
PassManagerPrettyStackEntry X(MP, M);
Timer *T = StartPassTimer(MP);
Changed |= MP->runOnModule(M);
LocalChanged |= MP->runOnModule(M);
StopPassTimer(MP, T);
}
if (Changed)
Changed |= LocalChanged;
if (LocalChanged)
dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG,
M.getModuleIdentifier());
dumpPreservedSet(MP);