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-rw-r--r--llvm/lib/Analysis/StaticDataProfileInfo.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/StaticDataProfileInfo.cpp b/llvm/lib/Analysis/StaticDataProfileInfo.cpp
index 700f57000383..7f42d079e1c9 100644
--- a/llvm/lib/Analysis/StaticDataProfileInfo.cpp
+++ b/llvm/lib/Analysis/StaticDataProfileInfo.cpp
@@ -14,6 +14,10 @@ using namespace llvm;
extern cl::opt<bool> AnnotateStaticDataSectionPrefix;
+bool llvm::IsReservedGlobalVariable(const GlobalVariable &GV) {
+ return GV.getName().starts_with("llvm.");
+}
+
void StaticDataProfileInfo::addConstantProfileCount(
const Constant *C, std::optional<uint64_t> Count) {
if (!Count) {
@@ -87,7 +91,8 @@ StringRef StaticDataProfileInfo::getConstantSectionPrefix(
// Module flag `HasDataAccessProf` is 1 -> empty section prefix means
// unknown hotness except for string literals.
if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(C);
- GV && !GV->getName().starts_with(".str")) {
+ GV && !IsReservedGlobalVariable(*GV) &&
+ !GV->getName().starts_with(".str")) {
auto HotnessFromDAP = getSectionHotnessUsingDAP(GV->getSectionPrefix());
if (!Count) {