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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() {
// CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo()
// CHECK: call void asm "foobar", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(i32* [[REGCALLRESULT]], i32* [[REGCALLRESULT]])
asm ("foobar" : "+m"(*foo()));
}
// CHECK: @test2
void test2() {
// CHECK: [[REGCALLRESULT:%[a-zA-Z0-9\.]+]] = call i32* @foo()
// CHECK: load i32* [[REGCALLRESULT]]
// CHECK: call i32 asm
// CHECK: store i32 {{%[a-zA-Z0-9\.]+}}, i32* [[REGCALLRESULT]]
asm ("foobar" : "+r"(*foo()));
}
// PR7338
void test3(int *vout, int vin)
{
// CHECK: call void asm "opr $0,$1", "=*r|m|r,r|m|r,~{di},~{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.
int test4(volatile int *addr) {
unsigned char oldval;
__asm__ ("frob %0" : "=r"(oldval) : "0"(0xff));
return (int)oldval;
// CHECK: call i8 asm "frob $0", "=r,0{{.*}}"(i8 -1)
}
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