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 {
15 ; X86-32-NEXT: movl L_u1$non_lazy_ptr, %eax
16 ; X86-32-NEXT: movq %mm0, (%eax)
21 ; X86-64-NEXT: movdq2q %xmm0, %mm0
22 ; X86-64-NEXT: movq _u1@{{.*}}(%rip), %rax
23 ; X86-64-NEXT: movq %mm0, (%rax)
25 store x86_mmx %v1, x86_mmx* @u1, align 8
29 @u2 = external global x86_mmx
31 define void @t2(<1 x i64> %v1) nounwind {
34 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %eax
35 ; X86-32-NEXT: movl {{[0-9]+}}(%esp), %ecx
36 ; X86-32-NEXT: movl L_u2$non_lazy_ptr, %edx
37 ; X86-32-NEXT: movl %ecx, 4(%edx)
38 ; X86-32-NEXT: movl %eax, (%edx)
43 ; X86-64-NEXT: movq _u2@{{.*}}(%rip), %rax
44 ; X86-64-NEXT: movq %rdi, (%rax)
46 %tmp = bitcast <1 x i64> %v1 to x86_mmx
47 store x86_mmx %tmp, x86_mmx* @u2, align 8