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Memory intrinsic value profile optimization: Improve debug output (NFC) 

Summary:
Misc improvements to debug output. Fix a couple typos and also dump the
value profile before we make any profitability checks.

Reviewers: davidxl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D32607

llvm-svn: 301574
This commit is contained in:
Teresa Johnson 2017-04-27 18:25:22 +00:00
parent 84dfb56926
commit f9ea176f05
1 changed files with 11 additions and 9 deletions
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20
llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp
View File

@ -771,7 +771,7 @@ public:
if (perform(MI)) {
Changed = true;
++NumOfPGOMemOPOpt;
DEBUG(dbgs() << "MemOP calls: " << MI->getCalledFunction()->getName()
DEBUG(dbgs() << "MemOP call: " << MI->getCalledFunction()->getName()
<< "is Transformed.\n");
}
}
@ -863,13 +863,19 @@ bool MemOPSizeOpt::perform(MemIntrinsic *MI) {
ActualCount = *BBEdgeCount;
}
ArrayRef<InstrProfValueData> VDs(ValueDataArray.get(), NumVals);
DEBUG(dbgs() << "Read one memory intrinsic profile with count " << ActualCount
<< "\n");
DEBUG(
for (auto &VD
: VDs) { dbgs() << " (" << VD.Value << "," << VD.Count << ")\n"; });
if (ActualCount < MemOPCountThreshold)
return false;
ArrayRef<InstrProfValueData> VDs(ValueDataArray.get(), NumVals);
TotalCount = ActualCount;
if (MemOPScaleCount)
DEBUG(dbgs() << "Scale counts: numberator = " << ActualCount
DEBUG(dbgs() << "Scale counts: numerator = " << ActualCount
<< " denominator = " << SavedTotalCount << "\n");
// Keeping track of the count of the default case:
@ -915,14 +921,10 @@ bool MemOPSizeOpt::perform(MemIntrinsic *MI) {
MaxCount = RemainCount;
uint64_t SumForOpt = TotalCount - RemainCount;
DEBUG(dbgs() << "Read one memory intrinsic profile: " << SumForOpt << " vs "
<< TotalCount << "\n");
DEBUG(
for (auto &VD
: VDs) { dbgs() << " (" << VD.Value << "," << VD.Count << ")\n"; });
DEBUG(dbgs() << "Optimize one memory intrinsic call to " << Version
<< " Versions\n");
<< " Versions (covering " << SumForOpt << " out of "
<< TotalCount << ")\n");
// mem_op(..., size)
// ==>