1// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2// PR3800
3int *foo(void);
4
5// CHECK: @test1
6void test1() {
7  // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo()
8  // CHECK: call void asm "foobar", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(i32* [[REGCALLRESULT]], i32* [[REGCALLRESULT]])
9  asm ("foobar" : "+m"(*foo()));
10}
11
12// CHECK: @test2
13void test2() {
14  // CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo()
15  // CHECK: load i32* [[REGCALLRESULT]]
16  // CHECK: call i32 asm
17  // CHECK: store i32 {{%[a-zA-Z0-9\.]+}}, i32* [[REGCALLRESULT]]
18  asm ("foobar" : "+r"(*foo()));
19}
20
21// PR7338
22// CHECK: @test3
23void test3(int *vout, int vin)
24{
25  // CHECK: call void asm "opr $0,$1", "=*r|m|r,r|m|r,~{edi},~{dirflag},~{fpsr},~{flags}"
26  asm ("opr %[vout],%[vin]"
27       : [vout] "=r,=m,=r" (*vout)
28       : [vin] "r,m,r" (vin)
29       : "edi");
30}
31
32// PR8959 - This should implicitly truncate the immediate to a byte.
33// CHECK: @test4
34int test4(volatile int *addr) {
35  unsigned char oldval;
36  // CHECK: call i8 asm "frob $0", "=r,0{{.*}}"(i8 -1)
37  __asm__ ("frob %0" : "=r"(oldval) : "0"(0xff));
38  return (int)oldval;
39}
40
41// <rdar://problem/10919182> - This should have both inputs be of type x86_mmx.
42// CHECK: @test5
43typedef long long __m64 __attribute__((__vector_size__(8)));
44__m64 test5(__m64 __A, __m64 __B) {
45  // CHECK: call x86_mmx asm "pmulhuw $1, $0\0A\09", "=y,y,0,~{dirflag},~{fpsr},~{flags}"(x86_mmx %{{.*}}, x86_mmx %{{.*}})
46  asm ("pmulhuw %1, %0\n\t" : "+y" (__A) : "y" (__B));
47  return __A;
48}
49