xref: /llvm-project/llvm/test/CodeGen/X86/mmx-arg-passing.ll (revision b7e4fba6e5dcae5ff51f8eced21470a1b3ccd895)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | FileCheck %s --check-prefix=X86-32
3; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | FileCheck %s --check-prefix=X86-64
4;
5; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
6; On Darwin x86-32, v1i64 values are passed in memory.  In this example, they
7;                   are never moved into an MM register at all.
8; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
9; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
10
11@u1 = external global <1 x i64>
12
13define void @t1(<1 x i64> %v1) nounwind  {
14; X86-32-LABEL: t1:
15; X86-32:       ## %bb.0:
16; X86-32-NEXT:    movl {{[0-9]+}}(%esp), %eax
17; X86-32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
18; X86-32-NEXT:    movl L_u1$non_lazy_ptr, %edx
19; X86-32-NEXT:    movl %ecx, 4(%edx)
20; X86-32-NEXT:    movl %eax, (%edx)
21; X86-32-NEXT:    retl
22;
23; X86-64-LABEL: t1:
24; X86-64:       ## %bb.0:
25; X86-64-NEXT:    movq _u1@GOTPCREL(%rip), %rax
26; X86-64-NEXT:    movq %rdi, (%rax)
27; X86-64-NEXT:    retq
28	store <1 x i64> %v1, ptr @u1, align 8
29	ret void
30}
31
32@u2 = external global <1 x i64>
33
34define void @t2(<1 x i64> %v1) nounwind  {
35; X86-32-LABEL: t2:
36; X86-32:       ## %bb.0:
37; X86-32-NEXT:    movl {{[0-9]+}}(%esp), %eax
38; X86-32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
39; X86-32-NEXT:    movl L_u2$non_lazy_ptr, %edx
40; X86-32-NEXT:    movl %ecx, 4(%edx)
41; X86-32-NEXT:    movl %eax, (%edx)
42; X86-32-NEXT:    retl
43;
44; X86-64-LABEL: t2:
45; X86-64:       ## %bb.0:
46; X86-64-NEXT:    movq _u2@GOTPCREL(%rip), %rax
47; X86-64-NEXT:    movq %rdi, (%rax)
48; X86-64-NEXT:    retq
49	store <1 x i64> %v1, ptr @u2, align 8
50	ret void
51}
52