1 ; RUN: llc < %s -tailcallopt -mtriple=x86_64-linux-gnu | FileCheck %s
3 ; Check the GHC call convention works (x86-64)
5 @base = external global i64 ; assigned to register: R13
6 @sp = external global i64 ; assigned to register: RBP
7 @hp = external global i64 ; assigned to register: R12
8 @r1 = external global i64 ; assigned to register: RBX
9 @r2 = external global i64 ; assigned to register: R14
10 @r3 = external global i64 ; assigned to register: RSI
11 @r4 = external global i64 ; assigned to register: RDI
12 @r5 = external global i64 ; assigned to register: R8
13 @r6 = external global i64 ; assigned to register: R9
14 @splim = external global i64 ; assigned to register: R15
16 @f1 = external global float ; assigned to register: XMM1
17 @f2 = external global float ; assigned to register: XMM2
18 @f3 = external global float ; assigned to register: XMM3
19 @f4 = external global float ; assigned to register: XMM4
20 @d1 = external global double ; assigned to register: XMM5
21 @d2 = external global double ; assigned to register: XMM6
23 define void @zap(i64 %a, i64 %b) nounwind {
25 ; CHECK: movq %rdi, %r13
26 ; CHECK-NEXT: movq %rsi, %rbp
27 ; CHECK-NEXT: callq addtwo
28 %0 = call cc 10 i64 @addtwo(i64 %a, i64 %b)
30 call void @foo() nounwind
34 define cc 10 i64 @addtwo(i64 %x, i64 %y) nounwind {
36 ; CHECK: leaq (%r13,%rbp), %rax
42 define cc 10 void @foo() nounwind {
44 ; CHECK: movq base(%rip), %r13
45 ; CHECK-NEXT: movq sp(%rip), %rbp
46 ; CHECK-NEXT: movq hp(%rip), %r12
47 ; CHECK-NEXT: movq r1(%rip), %rbx
48 ; CHECK-NEXT: movq r2(%rip), %r14
49 ; CHECK-NEXT: movq r3(%rip), %rsi
50 ; CHECK-NEXT: movq r4(%rip), %rdi
51 ; CHECK-NEXT: movq r5(%rip), %r8
52 ; CHECK-NEXT: movq r6(%rip), %r9
53 ; CHECK-NEXT: movq splim(%rip), %r15
54 ; CHECK-NEXT: movss f1(%rip), %xmm1
55 ; CHECK-NEXT: movss f2(%rip), %xmm2
56 ; CHECK-NEXT: movss f3(%rip), %xmm3
57 ; CHECK-NEXT: movss f4(%rip), %xmm4
58 ; CHECK-NEXT: movsd d1(%rip), %xmm5
59 ; CHECK-NEXT: movsd d2(%rip), %xmm6
77 tail call cc 10 void @bar( i64 %15, i64 %14, i64 %13, i64 %12, i64 %11,
78 i64 %10, i64 %9, i64 %8, i64 %7, i64 %6,
79 float %5, float %4, float %3, float %2, double %1,
84 declare cc 10 void @bar(i64, i64, i64, i64, i64, i64, i64, i64, i64, i64,
85 float, float, float, float, double, double)