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-rw-r--r--llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
index 835f75edcd2..9e13dcc5ed5 100644
--- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
@@ -67,6 +67,7 @@
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
#include "llvm/ProfileData/InstrProfReader.h"
+#include "llvm/ProfileData/ProfileCommon.h"
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/JamCRC.h"
@@ -478,6 +479,9 @@ public:
// Return the function hotness from the profile.
FuncFreqAttr getFuncFreqAttr() const { return FreqAttr; }
+ // Return the profile record for this function;
+ InstrProfRecord &getProfileRecord() { return ProfileRecord; }
+
private:
Function &F;
Module *M;
@@ -883,6 +887,7 @@ static bool annotateAllFunctions(
std::vector<Function *> HotFunctions;
std::vector<Function *> ColdFunctions;
+ InstrProfSummaryBuilder Builder(ProfileSummaryBuilder::DefaultCutoffs);
for (auto &F : M) {
if (F.isDeclaration())
continue;
@@ -890,13 +895,15 @@ static bool annotateAllFunctions(
auto *BFI = LookupBFI(F);
PGOUseFunc Func(F, &M, BPI, BFI);
setPGOCountOnFunc(Func, PGOReader.get());
+ if (!Func.getProfileRecord().Counts.empty())
+ Builder.addRecord(Func.getProfileRecord());
PGOUseFunc::FuncFreqAttr FreqAttr = Func.getFuncFreqAttr();
if (FreqAttr == PGOUseFunc::FFA_Cold)
ColdFunctions.push_back(&F);
else if (FreqAttr == PGOUseFunc::FFA_Hot)
HotFunctions.push_back(&F);
}
-
+ M.setProfileSummary(Builder.getSummary()->getMD(M.getContext()));
// Set function hotness attribute from the profile.
for (auto &F : HotFunctions) {
F->addFnAttr(llvm::Attribute::InlineHint);
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