Author: davidxl
Date: Thu Feb 4 13:54:17 2016
New Revision: 259819
URL: http://llvm.org/viewvc/llvm-project?rev=259819&view=rev
Log:
[PGO] code simplification: use existing VP annotation API /NFC
Modified:
cfe/trunk/lib/CodeGen/CodeGenPGO.cpp
Modified: cfe/trunk/lib/CodeGen/CodeGenPGO.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenPGO.cpp?rev=259819&r1=259818&r2=259819&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenPGO.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenPGO.cpp Thu Feb 4 13:54:17 2016
@@ -780,35 +780,11 @@ void CodeGenPGO::valueProfile(CGBuilderT
// pairs for each function.
if (NumValueSites[ValueKind] >= ProfRecord->getNumValueSites(ValueKind))
return;
- uint32_t NV = ProfRecord->getNumValueDataForSite(ValueKind,
- NumValueSites[ValueKind]);
- std::unique_ptr<InstrProfValueData[]> VD =
- ProfRecord->getValueForSite(ValueKind, NumValueSites[ValueKind]);
- uint64_t Sum = 0;
- for (uint32_t I = 0; I < NV; ++I)
- Sum += VD[I].Count;
+ llvm::annotateValueSite(CGM.getModule(), *ValueSite, *ProfRecord,
+ (llvm::InstrProfValueKind)ValueKind,
+ NumValueSites[ValueKind]);
- llvm::LLVMContext &Ctx = CGM.getLLVMContext();
- llvm::MDBuilder MDHelper(Ctx);
- SmallVector<llvm::Metadata*, 3> Vals;
- Vals.push_back(MDHelper.createString("VP"));
- Vals.push_back(MDHelper.createConstant(
- llvm::ConstantInt::get(llvm::Type::getInt32Ty(Ctx), ValueKind)));
- Vals.push_back(MDHelper.createConstant(
- llvm::ConstantInt::get(llvm::Type::getInt64Ty(Ctx), Sum)));
-
- uint32_t MDCount = 3;
- for (uint32_t I = 0; I < NV; ++I) {
- Vals.push_back(MDHelper.createConstant(
- llvm::ConstantInt::get(llvm::Type::getInt64Ty(Ctx), VD[I].Value)));
- Vals.push_back(MDHelper.createConstant(
- llvm::ConstantInt::get(llvm::Type::getInt64Ty(Ctx), VD[I].Count)));
- if (--MDCount == 0)
- break;
- }
- ValueSite->setMetadata(
- llvm::LLVMContext::MD_prof, llvm::MDNode::get(Ctx, Vals));
NumValueSites[ValueKind]++;
}
}
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