Vendor import of clang trunk r178860:

http://llvm.org/svn/llvm-project/cfe/trunk@178860

1 files changed, 225 insertions, 35 deletions

diff --git a/test/CodeGen/ms-inline-asm.c b/test/CodeGen/ms-inline-asm.c
index 7f43da8..d50ecfe 100644
--- a/test/CodeGen/ms-inline-asm.c
+++ b/test/CodeGen/ms-inline-asm.c
@@ -1,18 +1,18 @@
 // REQUIRES: x86-64-registered-target
-// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -O0 -fms-extensions -fenable-experimental-ms-inline-asm -w -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -O0 -fasm-blocks -emit-llvm -o - | FileCheck %s
 
 void t1() {
 // CHECK: @t1
-// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret void
   __asm {}
 }
 
 void t2() {
 // CHECK: @t2
-// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret void
   __asm nop
   __asm nop
@@ -21,15 +21,15 @@ void t2() {
 
 void t3() {
 // CHECK: @t3
-// CHECK: call void asm sideeffect inteldialect "nop\0A\09nop\0A\09nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "nop\0A\09nop\0A\09nop", "~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret void
   __asm nop __asm nop __asm nop
 }
 
 void t4(void) {
 // CHECK: @t4
-// CHECK: call void asm sideeffect inteldialect "mov ebx, eax", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "mov ecx, ebx", "~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "mov ebx, eax", "~{ebx},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov ecx, ebx", "~{ecx},~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret void
   __asm mov ebx, eax
   __asm mov ecx, ebx
@@ -37,7 +37,7 @@ void t4(void) {
 
 void t5(void) {
 // CHECK: @t5
-// CHECK: call void asm sideeffect inteldialect "mov ebx, eax\0A\09mov ecx, ebx", "~{ebx},~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "mov ebx, eax\0A\09mov ecx, ebx", "~{ebx},~{ecx},~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret void
   __asm mov ebx, eax __asm mov ecx, ebx
 }
@@ -45,7 +45,7 @@ void t5(void) {
 void t6(void) {
   __asm int 0x2c
 // CHECK: t6
-// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"()
 }
 
 void t7() {
@@ -54,8 +54,8 @@ void t7() {
   }
   __asm {}
 // CHECK: t7
-// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"()
 }
 
 int t8() {
@@ -64,9 +64,9 @@ int t8() {
   __asm int 4
   return 10;
 // CHECK: t8
-// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"()
 // CHECK: ret i32 10
 }
 
@@ -77,7 +77,7 @@ void t9() {
     pop ebx
   }
 // CHECK: t9
-// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, $$0x07\0A\09pop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, $$0x07\0A\09pop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"()
 }
 
 unsigned t10(void) {
@@ -91,7 +91,7 @@ unsigned t10(void) {
 // CHECK: [[I:%[a-zA-Z0-9]+]] = alloca i32, align 4
 // CHECK: [[J:%[a-zA-Z0-9]+]] = alloca i32, align 4
 // CHECK: store i32 1, i32* [[I]], align 4
-// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $1\0A\09mov dword ptr $0, eax", "=*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $1\0A\09mov dword ptr $0, eax", "=*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}})
 // CHECK: [[RET:%[a-zA-Z0-9]+]] = load i32* [[J]], align 4
 // CHECK: ret i32 [[RET]]
 }
@@ -99,7 +99,7 @@ unsigned t10(void) {
 void t11(void) {
   __asm mov eax, 1
 // CHECK: t11
-// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
 }
 
 unsigned t12(void) {
@@ -112,7 +112,7 @@ unsigned t12(void) {
   }
   return j + m;
 // CHECK: t12
-// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $2\0A\09mov dword ptr $0, eax\0A\09mov eax, dword ptr $3\0A\09mov dword ptr $1, eax", "=*m,=*m,*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $2\0A\09mov dword ptr $0, eax\0A\09mov eax, dword ptr $3\0A\09mov dword ptr $1, eax", "=*m,=*m,*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}})
 }
 
 void t13() {
@@ -121,8 +121,8 @@ void t13() {
   __asm movzx eax, i
   __asm movzx eax, j
 // CHECK: t13
-// CHECK: call void asm sideeffect inteldialect "movzx eax, byte ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i8* %{{.*}}) nounwind
-// CHECK: call void asm sideeffect inteldialect "movzx eax, word ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i16* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect "movzx eax, byte ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i8* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "movzx eax, word ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i16* %{{.*}})
 }
 
 void t14() {
@@ -135,33 +135,38 @@ void t14() {
     .endif
   }
 // CHECK: t14
-// CHECK: call void asm sideeffect inteldialect ".if 1\0A\09mov eax, dword ptr $0\0A\09.else\0A\09mov ebx, j\0A\09.endif", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect ".if 1\0A\09mov eax, dword ptr $0\0A\09.else\0A\09mov ebx, j\0A\09.endif", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
 }
 
+int gvar = 10;
 void t15() {
-  int var = 10;
-  __asm mov eax, var        ; eax = 10
-  __asm mov eax, offset var ; eax = address of myvar
+  int lvar = 10;
+  __asm mov eax, lvar        ; eax = 10
+  __asm mov eax, offset lvar ; eax = address of lvar
+  __asm mov eax, offset gvar ; eax = address of gvar
 // CHECK: t15
-// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
-// CHECK: call void asm sideeffect inteldialect "mov eax, $0", "r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov eax, $0", "r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov eax, $0", "r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* @{{.*}})
 }
 
 void t16() {
   int var = 10;
   __asm mov [eax], offset var
 // CHECK: t16
-// CHECK: call void asm sideeffect inteldialect "mov [eax], $0", "r,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
+// CHECK: call void asm sideeffect inteldialect "mov [eax], $0", "r,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
 }
 
 void t17() {
   __asm _emit 0x4A
   __asm _emit 0x43
   __asm _emit 0x4B
+  __asm _EMIT 0x4B
 // CHECK: t17
-// CHECK:  call void asm sideeffect inteldialect ".byte 0x4A", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK:  call void asm sideeffect inteldialect ".byte 0x43", "~{dirflag},~{fpsr},~{flags}"() nounwind
-// CHECK:  call void asm sideeffect inteldialect ".byte 0x4B", "~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK:  call void asm sideeffect inteldialect ".byte 0x4A", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK:  call void asm sideeffect inteldialect ".byte 0x43", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK:  call void asm sideeffect inteldialect ".byte 0x4B", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK:  call void asm sideeffect inteldialect ".byte 0x4B", "~{dirflag},~{fpsr},~{flags}"()
 }
 
 struct t18_type { int a, b; };
@@ -177,7 +182,7 @@ int t18() {
   }
   return foo.b;
 // CHECK: t18
-// CHECK: call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "lea ebx, qword ptr foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"()
 }
 
 int t19() {
@@ -191,12 +196,197 @@ int t19() {
   }
   return foo.b;
 // CHECK: t19
-// CHECK: call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "lea ebx, qword ptr foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"()
 }
 
 void t20() {
+  char bar;
   int foo;
-  __asm mov eax, TYPE foo
+  char _bar[2];
+  int _foo[4];
+
+  __asm mov eax, LENGTH foo
+  __asm mov eax, LENGTH bar
+  __asm mov eax, LENGTH _foo
+  __asm mov eax, LENGTH _bar
 // CHECK: t20
-// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$2", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+
+  __asm mov eax, TYPE foo
+  __asm mov eax, TYPE bar
+  __asm mov eax, TYPE _foo
+  __asm mov eax, TYPE _bar
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+
+  __asm mov eax, SIZE foo
+  __asm mov eax, SIZE bar
+  __asm mov eax, SIZE _foo
+  __asm mov eax, SIZE _bar
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$16", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$2", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t21() {
+  __asm {
+    __asm push ebx
+    __asm mov ebx, 0x07
+    __asm pop ebx
+  }
+// CHECK: t21
+// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, $$0x07\0A\09pop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"()
+}
+
+extern void t22_helper(int x);
+void t22() {
+  int x = 0;
+  __asm {
+    __asm push ebx
+    __asm mov ebx, esp
+  }
+  t22_helper(x);
+  __asm {
+    __asm mov esp, ebx
+    __asm pop ebx
+  }
+// CHECK: t22
+// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, esp", "~{ebx},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void @t22_helper
+// CHECK: call void asm sideeffect inteldialect "mov esp, ebx\0A\09pop ebx", "~{ebx},~{esp},~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t23() {
+  __asm {
+  the_label:
+  }
+// CHECK: t23
+// CHECK: call void asm sideeffect inteldialect "the_label:", "~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t24_helper(void) {}
+void t24() {
+  __asm call t24_helper
+// CHECK: t24
+// CHECK: call void asm sideeffect inteldialect "call $0", "r,~{dirflag},~{fpsr},~{flags}"(void ()* @t24_helper)
+}
+
+void t25() {
+  __asm mov eax, 0ffffffffh
+  __asm mov eax, 0fh
+  __asm mov eax, 0a2h
+  __asm mov eax, 0xa2h
+  __asm mov eax, 0xa2
+// CHECK: t25
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0ffffffffh", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0fh", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0a2h", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0xa2h", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0xa2", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t26() {
+  __asm pushad
+  __asm mov eax, 0
+  __asm __emit 0fh
+  __asm __emit 0a2h
+  __asm __EMIT 0a2h
+  __asm popad
+// CHECK: t26
+// CHECK: call void asm sideeffect inteldialect "pushad", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$0", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".byte 0fh", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".byte 0a2h", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".byte 0a2h", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "popad", "~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t27() {
+  __asm mov eax, fs:[0h]
+// CHECK: t27
+// CHECK: call void asm sideeffect inteldialect "mov eax, fs:[0h]", "~{eax},~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t28() {
+  __asm align 8
+  __asm align 16;
+  __asm align 128;
+  __asm ALIGN 256;
+// CHECK: t28
+// CHECK: call void asm sideeffect inteldialect ".align 3", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".align 4", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".align 7", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect ".align 8", "~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t29() {
+  int arr[2] = {0, 0};
+  int olen = 0, osize = 0, otype = 0;
+  __asm mov olen, LENGTH arr
+  __asm mov osize, SIZE arr
+  __asm mov otype, TYPE arr
+// CHECK: t29
+// CHECK: call void asm sideeffect inteldialect "mov dword ptr $0, $$2", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov dword ptr $0, $$8", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov dword ptr $0, $$4", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+}
+
+int results[2] = {13, 37};
+int *t30()
+{
+  int *res;
+  __asm lea edi, results
+  __asm mov res, edi
+  return res;
+// CHECK: t30
+// CHECK: call void asm sideeffect inteldialect "lea edi, dword ptr $0", "*m,~{edi},~{dirflag},~{fpsr},~{flags}"([2 x i32]* @{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov dword ptr $0, edi", "=*m,~{dirflag},~{fpsr},~{flags}"(i32** %{{.*}})
+}
+
+void t31() {
+  __asm pushad
+  __asm popad
+// CHECK: t31
+// CHECK: call void asm sideeffect inteldialect "pushad", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "popad", "~{dirflag},~{fpsr},~{flags}"()
+}
+
+void t32() {
+  int i;
+  __asm mov eax, i
+  __asm mov eax, dword ptr i
+  __asm mov ax, word ptr i
+  __asm mov al, byte ptr i
+// CHECK: t32
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov ax, word ptr $0", "*m,~{ax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov al, byte ptr $0", "*m,~{al},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+}
+
+void t33() {
+  int i;
+  __asm mov eax, [i]
+  __asm mov eax, dword ptr [i]
+  __asm mov ax, word ptr [i]
+  __asm mov al, byte ptr [i]
+// CHECK: t33
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov ax, word ptr $0", "*m,~{ax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+// CHECK: call void asm sideeffect inteldialect "mov al, byte ptr $0", "*m,~{al},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
+}
+
+void t34() {
+  __asm prefetchnta 64[eax]
+  __asm mov eax, dword ptr 4[eax]
+// CHECK: t34
+// CHECK: call void asm sideeffect inteldialect "prefetchnta $$64[eax]", "~{dirflag},~{fpsr},~{flags}"()
+// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $$4[eax]", "~{eax},~{dirflag},~{fpsr},~{flags}"()
 }