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WholeProgramDevirt: Simplify ORE getter mechanism for old PM. NFCI.

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llvm-svn: 321841
This commit is contained in:
Peter Collingbourne 2018-01-05 00:27:51 +00:00
parent 807e4f8652
commit 64e5d6f9b8
1 changed files with 17 additions and 34 deletions
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51
lib/Transforms/IPO/WholeProgramDevirt.cpp
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@ -281,24 +281,11 @@ struct VirtualCallSite {
DebugLoc DLoc = CS->getDebugLoc();
BasicBlock *Block = CS.getParent();
// In the new pass manager, we can request the optimization
// remark emitter pass on a per-function-basis, which the
// OREGetter will do for us.
// In the old pass manager, this is harder, so we just build
// a optimization remark emitter on the fly, when we need it.
std::unique_ptr<OptimizationRemarkEmitter> OwnedORE;
OptimizationRemarkEmitter *ORE;
if (OREGetter)
ORE = &OREGetter(F);
else {
OwnedORE = make_unique<OptimizationRemarkEmitter>(F);
ORE = OwnedORE.get();
}
using namespace ore;
ORE->emit(OptimizationRemark(DEBUG_TYPE, OptName, DLoc, Block)
<< NV("Optimization", OptName) << ": devirtualized a call to "
<< NV("FunctionName", TargetName));
OREGetter(F).emit(OptimizationRemark(DEBUG_TYPE, OptName, DLoc, Block)
<< NV("Optimization", OptName)
<< ": devirtualized a call to "
<< NV("FunctionName", TargetName));
}
void replaceAndErase(
@ -539,7 +526,16 @@ struct WholeProgramDevirt : public ModulePass {
if (skipModule(M))
return false;
auto OREGetter = function_ref<OptimizationRemarkEmitter &(Function *)>();
// In the new pass manager, we can request the optimization
// remark emitter pass on a per-function-basis, which the
// OREGetter will do for us.
// In the old pass manager, this is harder, so we just build
// an optimization remark emitter on the fly, when we need it.
std::unique_ptr<OptimizationRemarkEmitter> ORE;
auto OREGetter = [&](Function *F) -> OptimizationRemarkEmitter & {
ORE = make_unique<OptimizationRemarkEmitter>(F);
return *ORE;
};
if (UseCommandLine)
return DevirtModule::runForTesting(M, LegacyAARGetter(*this), OREGetter);
@ -1499,23 +1495,10 @@ bool DevirtModule::run() {
for (const auto &DT : DevirtTargets) {
Function *F = DT.second;
// In the new pass manager, we can request the optimization
// remark emitter pass on a per-function-basis, which the
// OREGetter will do for us.
// In the old pass manager, this is harder, so we just build
// a optimization remark emitter on the fly, when we need it.
std::unique_ptr<OptimizationRemarkEmitter> OwnedORE;
OptimizationRemarkEmitter *ORE;
if (OREGetter)
ORE = &OREGetter(F);
else {
OwnedORE = make_unique<OptimizationRemarkEmitter>(F);
ORE = OwnedORE.get();
}
using namespace ore;
ORE->emit(OptimizationRemark(DEBUG_TYPE, "Devirtualized", F)
<< "devirtualized " << NV("FunctionName", F->getName()));
OREGetter(F).emit(OptimizationRemark(DEBUG_TYPE, "Devirtualized", F)
<< "devirtualized "
<< NV("FunctionName", F->getName()));
}
}