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// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// PR3800
int *foo(void);
// CHECK: @test1
void test1(void) {
// CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call ptr @foo()
// CHECK: call void asm "foobar", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) [[REGCALLRESULT]], ptr elementtype(i32) [[REGCALLRESULT]])
asm ("foobar" : "+m"(*foo()));
}
// CHECK: @test2
void test2(void) {
// CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call ptr @foo()
// CHECK: load i32, ptr [[REGCALLRESULT]]
// CHECK: call i32 asm
// CHECK: store i32 {{%[a-zA-Z0-9\.]+}}, ptr [[REGCALLRESULT]]
asm ("foobar" : "+r"(*foo()));
}
// PR7338
// CHECK: @test3
void test3(int *vout, int vin)
{
// CHECK: call void asm "opr $0,$1", "=*r|m|r,r|m|r,~{edi},~{dirflag},~{fpsr},~{flags}"
asm ("opr %[vout],%[vin]"
: [vout] "=r,=m,=r" (*vout)
: [vin] "r,m,r" (vin)
: "edi");
}
// PR8959 - This should implicitly truncate the immediate to a byte.
// CHECK: @test4
int test4(volatile int *addr) {
unsigned char oldval;
// CHECK: call i8 asm "frob $0", "=r,0{{.*}}"(i8 -1)
__asm__ ("frob %0" : "=r"(oldval) : "0"(0xff));
return (int)oldval;
}
// <rdar://problem/10919182> - This should have both inputs be of type x86_mmx.
// CHECK: @test5
typedef long long __m64 __attribute__((__vector_size__(8)));
__m64 test5(__m64 __A, __m64 __B) {
// CHECK: call x86_mmx asm "pmulhuw $1, $0\0A\09", "=y,y,0,~{dirflag},~{fpsr},~{flags}"(x86_mmx %{{.*}}, x86_mmx %{{.*}})
asm ("pmulhuw %1, %0\n\t" : "+y" (__A) : "y" (__B));
return __A;
}
// CHECK: @test6
int test6(void) {
typedef unsigned char __attribute__((vector_size(8))) _m64u8;
_m64u8 __attribute__((aligned(16))) Mu8_0, __attribute__((aligned(16))) Mu8_1;
// CHECK: call x86_mmx asm "nop", "=y,0,~{dirflag},~{fpsr},~{flags}"(x86_mmx %1)
asm ("nop" : "=y"(Mu8_1 ) : "0"(Mu8_0 ));
return 0;
}
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