[clang] Add nomerge function attribute to clang
Differential Revision: https://reviews.llvm.org/D79121
diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index ceecbd4..3559e77 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -25,6 +25,7 @@
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/MDBuilder.h"
+#include "llvm/Support/SaveAndRestore.h"
using namespace clang;
using namespace CodeGen;
@@ -608,6 +609,13 @@
}
void CodeGenFunction::EmitAttributedStmt(const AttributedStmt &S) {
+ bool nomerge = false;
+ for (const auto *A : S.getAttrs())
+ if (A->getKind() == attr::NoMerge) {
+ nomerge = true;
+ break;
+ }
+ SaveAndRestore<bool> save_nomerge(InNoMergeAttributedStmt, nomerge);
EmitStmt(S.getSubStmt(), S.getAttrs());
}