1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2*f4a2713aSLionel Sambuc
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*f4a2713aSLionel Sambuc unsigned long long foo(unsigned long long addr, unsigned long long a0,
4*f4a2713aSLionel Sambuc unsigned long long a1, unsigned long long a2,
5*f4a2713aSLionel Sambuc unsigned long long a3, unsigned long long a4,
6*f4a2713aSLionel Sambuc unsigned long long a5) {
7*f4a2713aSLionel Sambuc register unsigned long long result asm("rax");
8*f4a2713aSLionel Sambuc register unsigned long long b0 asm("rdi");
9*f4a2713aSLionel Sambuc register unsigned long long b1 asm("rsi");
10*f4a2713aSLionel Sambuc register unsigned long long b2 asm("rdx");
11*f4a2713aSLionel Sambuc register unsigned long long b3 asm("rcx");
12*f4a2713aSLionel Sambuc register unsigned long long b4 asm("r8");
13*f4a2713aSLionel Sambuc register unsigned long long b5 asm("r9");
14*f4a2713aSLionel Sambuc
15*f4a2713aSLionel Sambuc b0 = a0;
16*f4a2713aSLionel Sambuc b1 = a1;
17*f4a2713aSLionel Sambuc b2 = a2;
18*f4a2713aSLionel Sambuc b3 = a3;
19*f4a2713aSLionel Sambuc b4 = a4;
20*f4a2713aSLionel Sambuc b5 = a5;
21*f4a2713aSLionel Sambuc
22*f4a2713aSLionel Sambuc asm("call *%1" : "=r" (result)
23*f4a2713aSLionel Sambuc : "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5));
24*f4a2713aSLionel Sambuc return result;
25*f4a2713aSLionel Sambuc }
26*f4a2713aSLionel Sambuc
27*f4a2713aSLionel Sambuc // CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}"
28*f4a2713aSLionel Sambuc
foo2(unsigned long long addr,double a0,double a1,double a2,double a3,double a4,double a5,double a6,double a7)29*f4a2713aSLionel Sambuc unsigned long long foo2(unsigned long long addr, double a0,
30*f4a2713aSLionel Sambuc double a1, double a2,
31*f4a2713aSLionel Sambuc double a3, double a4,
32*f4a2713aSLionel Sambuc double a5, double a6, double a7) {
33*f4a2713aSLionel Sambuc register double b0 asm("xmm0");
34*f4a2713aSLionel Sambuc register double b1 asm("xmm1");
35*f4a2713aSLionel Sambuc register double b2 asm("xmm2");
36*f4a2713aSLionel Sambuc register double b3 asm("xmm3");
37*f4a2713aSLionel Sambuc register double b4 asm("xmm4");
38*f4a2713aSLionel Sambuc register double b5 asm("xmm5");
39*f4a2713aSLionel Sambuc register double b6 asm("xmm6");
40*f4a2713aSLionel Sambuc register double b7 asm("xmm7");
41*f4a2713aSLionel Sambuc
42*f4a2713aSLionel Sambuc register unsigned long long result asm("rax");
43*f4a2713aSLionel Sambuc
44*f4a2713aSLionel Sambuc b0 = a0;
45*f4a2713aSLionel Sambuc b1 = a1;
46*f4a2713aSLionel Sambuc b2 = a2;
47*f4a2713aSLionel Sambuc b3 = a3;
48*f4a2713aSLionel Sambuc b4 = a4;
49*f4a2713aSLionel Sambuc b5 = a5;
50*f4a2713aSLionel Sambuc b6 = a6;
51*f4a2713aSLionel Sambuc b7 = a7;
52*f4a2713aSLionel Sambuc
53*f4a2713aSLionel Sambuc asm("call *%1" : "=r" (result)
54*f4a2713aSLionel Sambuc : "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6),
55*f4a2713aSLionel Sambuc "x" (b7));
56*f4a2713aSLionel Sambuc return result;
57*f4a2713aSLionel Sambuc }
58*f4a2713aSLionel Sambuc
59*f4a2713aSLionel Sambuc // CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags}
60*f4a2713aSLionel Sambuc
61*f4a2713aSLionel Sambuc int randomvar asm("randomvar");
foo3()62*f4a2713aSLionel Sambuc void foo3() {
63*f4a2713aSLionel Sambuc asm("vartest %0" : : "r"(randomvar));
64*f4a2713aSLionel Sambuc }
65*f4a2713aSLionel Sambuc // CHECK: call void asm sideeffect "vartest $0", "r,~{dirflag},~{fpsr},~{flags}"
66