[flang] [clang] [lldb] [mlir] [compiler-rt] [clang-tools-extra] [llvm] [Profile] Add binary profile correlation for code coverage. (PR #69493)

[David Li via cfe-commits]

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@@ -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;
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david-xl wrote:

This might overwrite other modifier bits set else where.

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