[X86] Recognize "flags" as an identifier, not a register in Intel-syntax inline asm

This contains the test-case for r243630.

Patch by: marina.yatsina@intel.com
Differential Revision: http://reviews.llvm.org/D11513

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@243632 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/ms-inline-asm.c b/test/CodeGen/ms-inline-asm.c
index d98b498a36fae4da7c5ee16ecd4527b3e2d9f073..4f04a8bb502afc366c42e71d2efefd3a65c7f9aa 100644 (file)
--- a/test/CodeGen/ms-inline-asm.c
+++ b/test/CodeGen/ms-inline-asm.c
@@ -508,6 +508,14 @@ void t41(unsigned short a) {
 // CHECK: "*m,*m,*m,*m,*m,*m,~{dirflag},~{fpsr},~{flags}"(i16* {{.*}}, i16* {{.*}}, i16* {{.*}}, i16* {{.*}}, i16* {{.*}}, i16* {{.*}})
 }
 
+void t42() {
+// CHECK-LABEL: define void @t42
+  int flags;
+  __asm mov flags, eax
+// CHECK: mov dword ptr $0, eax
+// CHECK: "=*m,~{dirflag},~{fpsr},~{flags}"(i32* %flags)
+}
+
 void call_clobber() {
   __asm call t41
   // CHECK-LABEL: define void @call_clobber