1; RUN: llc < %s -mtriple=x86_64-linux -mattr=-avx | FileCheck %s -check-prefix=X64
2; X64-NOT:     movsq
3; X64:     rep
4; X64-NOT:     rep
5; X64:     movsq
6; X64-NOT:     movsq
7; X64:     rep
8; X64-NOT:     rep
9; X64:     movsq
10; X64-NOT:     rep
11; X64-NOT:     movsq
12
13; Win64 has not supported byval yet.
14
15; RUN: llc < %s -march=x86 -mattr=-avx | FileCheck %s -check-prefix=X32
16; X32-NOT:     movsl
17; X32:     rep
18; X32-NOT:     rep
19; X32:     movsl
20; X32-NOT:     movsl
21; X32:     rep
22; X32-NOT:     rep
23; X32:     movsl
24; X32-NOT:     rep
25; X32-NOT:     movsl
26
27%struct.s = type { i32, i32, i32, i32, i32, i32, i32, i32,
28                   i32, i32, i32, i32, i32, i32, i32, i32,
29                   i32, i32, i32, i32, i32, i32, i32, i32,
30                   i32, i32, i32, i32, i32, i32, i32, i32,
31                   i32 }
32
33define void @g(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6) nounwind {
34entry:
35        %d = alloca %struct.s, align 16
36        %tmp = getelementptr %struct.s* %d, i32 0, i32 0
37        store i32 %a1, i32* %tmp, align 16
38        %tmp2 = getelementptr %struct.s* %d, i32 0, i32 1
39        store i32 %a2, i32* %tmp2, align 16
40        %tmp4 = getelementptr %struct.s* %d, i32 0, i32 2
41        store i32 %a3, i32* %tmp4, align 16
42        %tmp6 = getelementptr %struct.s* %d, i32 0, i32 3
43        store i32 %a4, i32* %tmp6, align 16
44        %tmp8 = getelementptr %struct.s* %d, i32 0, i32 4
45        store i32 %a5, i32* %tmp8, align 16
46        %tmp10 = getelementptr %struct.s* %d, i32 0, i32 5
47        store i32 %a6, i32* %tmp10, align 16
48        call void @f( %struct.s* byval %d)
49        call void @f( %struct.s* byval %d)
50        ret void
51}
52
53declare void @f(%struct.s* byval)
54