[flang] [lldb] [compiler-rt] [llvm] [clang-tools-extra] [clang] [mlir] [Profile] Add binary profile correlation to offload profile metadata at runtime. (PR #69493)

[Zequan Wu via cfe-commits]

================
@@ -1829,6 +1833,22 @@ void CoverageMappingModuleGen::emit() {
                              llvm::GlobalValue::InternalLinkage, NamesArrVal,
                              llvm::getCoverageUnusedNamesVarName());
   }
+  const StringRef VarName(INSTR_PROF_QUOTE(INSTR_PROF_RAW_VERSION_VAR));
+  llvm::Type *IntTy64 = llvm::Type::getInt64Ty(Ctx);
+  uint64_t ProfileVersion = INSTR_PROF_RAW_VERSION;
+  if (llvm::ProfileCorrelate == llvm::InstrProfCorrelator::BINARY)
+    ProfileVersion |= VARIANT_MASK_BIN_CORRELATE;
+  auto *VersionVariable = new llvm::GlobalVariable(
+      CGM.getModule(), llvm::Type::getInt64Ty(Ctx), true,
+      llvm::GlobalValue::WeakAnyLinkage,
+      llvm::Constant::getIntegerValue(IntTy64, llvm::APInt(64, 
ProfileVersion)),
+      VarName);
+  VersionVariable->setVisibility(llvm::GlobalValue::HiddenVisibility);
+  llvm::Triple TT(CGM.getModule().getTargetTriple());
+  if (TT.supportsCOMDAT()) {
----------------
ZequanWu wrote:

Not applicable. Removed changes in Clang.

https://github.com/llvm/llvm-project/pull/69493
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