Avoid warnings for functions that return a value using MS-style inline
assembly code. This avoids changing the bahvior when normal asm("")
statements are used.
The type of code affected would be:
void* t4(void) { __asm mov eax, fs:[0x10] }
I hope people like this version, if not, let me know.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92531 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 30f9040..a15c5fe 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1345,6 +1345,14 @@
HasFakeEdge = true;
continue;
}
+ if (const AsmStmt *AS = dyn_cast<AsmStmt>(S)) {
+ if (AS->isMSAsm()) {
+ HasFakeEdge = true;
+ HasLiveReturn = true;
+ continue;
+ }
+ }
+
bool NoReturnEdge = false;
if (CallExpr *C = dyn_cast<CallExpr>(S)) {
Expr *CEE = C->getCallee()->IgnoreParenCasts();
diff --git a/test/Sema/ms-fuzzy-asm.c b/test/Sema/ms-fuzzy-asm.c
index 9ace656..250e322 100644
--- a/test/Sema/ms-fuzzy-asm.c
+++ b/test/Sema/ms-fuzzy-asm.c
@@ -1,5 +1,4 @@
// RUN: %clang_cc1 %s -verify -fms-extensions
-// XFAIL: *
#define M __asm int 0x2c
#define M2 int