1;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
2
3; Exactly one constant vector can be folded into dot4, which means exactly
4; 4 MOV instructions
5; CHECK: {{^}}main:
6; CHECK: MOV
7; CHECK: MOV
8; CHECK: MOV
9; CHECK: MOV
10; CHECK-NOT: MOV
11; CHECK-NOT: MOV
12; CHECK-NOT: MOV
13; CHECK-NOT: MOV
14
15define void @main(float addrspace(1)* %out) {
16main_body:
17  %0 = load <4 x float>, <4 x float> addrspace(8)* null
18  %1 = load <4 x float>, <4 x float> addrspace(8)* getelementptr ([1024 x <4 x float>], [1024 x <4 x float>] addrspace(8)* null, i64 0, i32 1)
19  %2 = call float @llvm.AMDGPU.dp4(<4 x float> %0,<4 x float> %1)
20  %3 = insertelement <4 x float> undef, float %2, i32 0
21  call void @llvm.R600.store.swizzle(<4 x float> %3, i32 0, i32 0)
22  ret void
23}
24
25declare float @llvm.AMDGPU.dp4(<4 x float>, <4 x float>) #1
26declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32)
27attributes #1 = { readnone }
28