1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li
foo(unsigned long long addr,unsigned long long a0,unsigned long long a1,unsigned long long a2,unsigned long long a3,unsigned long long a4,unsigned long long a5)3*67e74705SXin Li unsigned long long foo(unsigned long long addr, unsigned long long a0,
4*67e74705SXin Li unsigned long long a1, unsigned long long a2,
5*67e74705SXin Li unsigned long long a3, unsigned long long a4,
6*67e74705SXin Li unsigned long long a5) {
7*67e74705SXin Li register unsigned long long result asm("rax");
8*67e74705SXin Li register unsigned long long b0 asm("rdi");
9*67e74705SXin Li register unsigned long long b1 asm("rsi");
10*67e74705SXin Li register unsigned long long b2 asm("rdx");
11*67e74705SXin Li register unsigned long long b3 asm("rcx");
12*67e74705SXin Li register unsigned long long b4 asm("r8");
13*67e74705SXin Li register unsigned long long b5 asm("r9");
14*67e74705SXin Li
15*67e74705SXin Li b0 = a0;
16*67e74705SXin Li b1 = a1;
17*67e74705SXin Li b2 = a2;
18*67e74705SXin Li b3 = a3;
19*67e74705SXin Li b4 = a4;
20*67e74705SXin Li b5 = a5;
21*67e74705SXin Li
22*67e74705SXin Li asm("call *%1" : "=r" (result)
23*67e74705SXin Li : "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5));
24*67e74705SXin Li return result;
25*67e74705SXin Li }
26*67e74705SXin Li
27*67e74705SXin Li // CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}"
28*67e74705SXin Li
foo2(unsigned long long addr,double a0,double a1,double a2,double a3,double a4,double a5,double a6,double a7)29*67e74705SXin Li unsigned long long foo2(unsigned long long addr, double a0,
30*67e74705SXin Li double a1, double a2,
31*67e74705SXin Li double a3, double a4,
32*67e74705SXin Li double a5, double a6, double a7) {
33*67e74705SXin Li register double b0 asm("xmm0");
34*67e74705SXin Li register double b1 asm("xmm1");
35*67e74705SXin Li register double b2 asm("xmm2");
36*67e74705SXin Li register double b3 asm("xmm3");
37*67e74705SXin Li register double b4 asm("xmm4");
38*67e74705SXin Li register double b5 asm("xmm5");
39*67e74705SXin Li register double b6 asm("xmm6");
40*67e74705SXin Li register double b7 asm("xmm7");
41*67e74705SXin Li
42*67e74705SXin Li register unsigned long long result asm("rax");
43*67e74705SXin Li
44*67e74705SXin Li b0 = a0;
45*67e74705SXin Li b1 = a1;
46*67e74705SXin Li b2 = a2;
47*67e74705SXin Li b3 = a3;
48*67e74705SXin Li b4 = a4;
49*67e74705SXin Li b5 = a5;
50*67e74705SXin Li b6 = a6;
51*67e74705SXin Li b7 = a7;
52*67e74705SXin Li
53*67e74705SXin Li asm("call *%1" : "=r" (result)
54*67e74705SXin Li : "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6),
55*67e74705SXin Li "x" (b7));
56*67e74705SXin Li return result;
57*67e74705SXin Li }
58*67e74705SXin Li
59*67e74705SXin Li // CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags}
60*67e74705SXin Li
61*67e74705SXin Li int randomvar asm("randomvar");
foo3()62*67e74705SXin Li void foo3() {
63*67e74705SXin Li asm("vartest %0" : : "r"(randomvar));
64*67e74705SXin Li }
65*67e74705SXin Li // CHECK: call void asm sideeffect "vartest $0", "r,~{dirflag},~{fpsr},~{flags}"
66