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-rw-r--r--llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp28
1 files changed, 16 insertions, 12 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
index a68fd3db6c2..a8c4f8f45ae 100644
--- a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -13,6 +13,7 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/ADT/Triple.h"
@@ -58,22 +59,22 @@ private:
/// Get the section name for the counter variables.
StringRef getCountersSection() const {
- return isMachO() ? "__DATA,__llvm_prf_cnts" : "__llvm_prf_cnts";
+ return getInstrProfCountersSectionName(isMachO());
}
/// Get the section name for the name variables.
StringRef getNameSection() const {
- return isMachO() ? "__DATA,__llvm_prf_names" : "__llvm_prf_names";
+ return getInstrProfNameSectionName(isMachO());
}
/// Get the section name for the profile data variables.
StringRef getDataSection() const {
- return isMachO() ? "__DATA,__llvm_prf_data" : "__llvm_prf_data";
+ return getInstrProfDataSectionName(isMachO());
}
/// Get the section name for the coverage mapping data.
StringRef getCoverageSection() const {
- return isMachO() ? "__DATA,__llvm_covmap" : "__llvm_covmap";
+ return getInstrProfCoverageSectionName(isMachO());
}
/// Replace instrprof_increment with an increment of the appropriate value.
@@ -127,7 +128,8 @@ bool InstrProfiling::runOnModule(Module &M) {
lowerIncrement(Inc);
MadeChange = true;
}
- if (GlobalVariable *Coverage = M.getNamedGlobal("__llvm_coverage_mapping")) {
+ if (GlobalVariable *Coverage =
+ M.getNamedGlobal(getCoverageMappingVarName())) {
lowerCoverageData(Coverage);
MadeChange = true;
}
@@ -183,10 +185,10 @@ void InstrProfiling::lowerCoverageData(GlobalVariable *CoverageData) {
}
/// Get the name of a profiling variable for a particular function.
-static std::string getVarName(InstrProfIncrementInst *Inc, StringRef VarName) {
+static std::string getVarName(InstrProfIncrementInst *Inc, StringRef Prefix) {
auto *Arr = cast<ConstantDataArray>(Inc->getName()->getInitializer());
StringRef Name = Arr->isCString() ? Arr->getAsCString() : Arr->getAsString();
- return ("__llvm_profile_" + VarName + "_" + Name).str();
+ return (Prefix + Name).str();
}
GlobalVariable *
@@ -203,7 +205,8 @@ InstrProfiling::getOrCreateRegionCounters(InstrProfIncrementInst *Inc) {
Function *Fn = Inc->getParent()->getParent();
Comdat *ProfileVarsComdat = nullptr;
if (Fn->hasComdat())
- ProfileVarsComdat = M->getOrInsertComdat(StringRef(getVarName(Inc, "vars")));
+ ProfileVarsComdat = M->getOrInsertComdat(
+ StringRef(getVarName(Inc, getInstrProfComdatPrefix())));
Name->setSection(getNameSection());
Name->setAlignment(1);
Name->setComdat(ProfileVarsComdat);
@@ -213,9 +216,10 @@ InstrProfiling::getOrCreateRegionCounters(InstrProfIncrementInst *Inc) {
ArrayType *CounterTy = ArrayType::get(Type::getInt64Ty(Ctx), NumCounters);
// Create the counters variable.
- auto *Counters = new GlobalVariable(*M, CounterTy, false, Name->getLinkage(),
- Constant::getNullValue(CounterTy),
- getVarName(Inc, "counters"));
+ auto *Counters =
+ new GlobalVariable(*M, CounterTy, false, Name->getLinkage(),
+ Constant::getNullValue(CounterTy),
+ getVarName(Inc, getInstrProfCountersVarPrefix()));
Counters->setVisibility(Name->getVisibility());
Counters->setSection(getCountersSection());
Counters->setAlignment(8);
@@ -240,7 +244,7 @@ InstrProfiling::getOrCreateRegionCounters(InstrProfIncrementInst *Inc) {
ConstantExpr::getBitCast(Counters, Int64PtrTy)};
auto *Data = new GlobalVariable(*M, DataTy, true, Name->getLinkage(),
ConstantStruct::get(DataTy, DataVals),
- getVarName(Inc, "data"));
+ getVarName(Inc, getInstrProfDataVarPrefix()));
Data->setVisibility(Name->getVisibility());
Data->setSection(getDataSection());
Data->setAlignment(8);
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