1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s --check-prefix=X86-64
3 ; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
4 ; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
6 @g_v8qi = external global <8 x i8>
8 define void @t3() nounwind {
11 ; X86-64-NEXT: movq _g_v8qi@{{.*}}(%rip), %rax
12 ; X86-64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
13 ; X86-64-NEXT: movb $1, %al
14 ; X86-64-NEXT: jmp _pass_v8qi ## TAILCALL
15 %tmp3 = load <8 x i8>, <8 x i8>* @g_v8qi, align 8
16 %tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
17 %tmp4 = tail call i32 (...) @pass_v8qi( x86_mmx %tmp3a ) nounwind
21 define void @t4(x86_mmx %v1, x86_mmx %v2) nounwind {
24 ; X86-64-NEXT: movdq2q %xmm1, %mm0
25 ; X86-64-NEXT: movq %mm0, -{{[0-9]+}}(%rsp)
26 ; X86-64-NEXT: movdq2q %xmm0, %mm0
27 ; X86-64-NEXT: movq %mm0, -{{[0-9]+}}(%rsp)
28 ; X86-64-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
29 ; X86-64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
30 ; X86-64-NEXT: paddb %xmm1, %xmm0
31 ; X86-64-NEXT: movb $1, %al
32 ; X86-64-NEXT: jmp _pass_v8qi ## TAILCALL
33 %v1a = bitcast x86_mmx %v1 to <8 x i8>
34 %v2b = bitcast x86_mmx %v2 to <8 x i8>
35 %tmp3 = add <8 x i8> %v1a, %v2b
36 %tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
37 %tmp4 = tail call i32 (...) @pass_v8qi( x86_mmx %tmp3a ) nounwind
41 define void @t5() nounwind {
44 ; X86-64-NEXT: pushq %rax
45 ; X86-64-NEXT: xorl %edi, %edi
46 ; X86-64-NEXT: callq _pass_v1di
47 ; X86-64-NEXT: popq %rax
49 call void @pass_v1di( <1 x i64> zeroinitializer )
53 declare i32 @pass_v8qi(...)
54 declare void @pass_v1di(<1 x i64>)