1 ; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s -check-prefix=X86-32
2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s -check-prefix=X86-64
4 ; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
5 ; On Darwin x86-32, v1i64 values are passed in memory. In this example, they
6 ; are never moved into an MM register at all.
7 ; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
8 ; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
10 @u1 = external global x86_mmx
12 define void @t1(x86_mmx %v1) nounwind {
13 store x86_mmx %v1, x86_mmx* @u1, align 8
20 ; X86-64: movdq2q %xmm0
24 @u2 = external global x86_mmx
26 define void @t2(<1 x i64> %v1) nounwind {
27 %tmp = bitcast <1 x i64> %v1 to x86_mmx
28 store x86_mmx %tmp, x86_mmx* @u2, align 8
32 ; X86-32: movl 4(%esp)
33 ; X86-32: movl 8(%esp)
39 @g_v8qi = external global <8 x i8>
41 define void @t3() nounwind {
45 %tmp3 = load <8 x i8>* @g_v8qi, align 8
46 %tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
47 %tmp4 = tail call i32 (...)* @pass_v8qi( x86_mmx %tmp3a ) nounwind
51 define void @t4(x86_mmx %v1, x86_mmx %v2) nounwind {
56 %v1a = bitcast x86_mmx %v1 to <8 x i8>
57 %v2b = bitcast x86_mmx %v2 to <8 x i8>
58 %tmp3 = add <8 x i8> %v1a, %v2b
59 %tmp3a = bitcast <8 x i8> %tmp3 to x86_mmx
60 %tmp4 = tail call i32 (...)* @pass_v8qi( x86_mmx %tmp3a ) nounwind
64 define void @t5() nounwind {
67 ; X86-64: xorl %edi, %edi
68 call void @pass_v1di( <1 x i64> zeroinitializer )
72 declare i32 @pass_v8qi(...)
73 declare void @pass_v1di(<1 x i64>)