1; RUN: llc -march=amdgcn -stop-after=amdgpu-isel -verify-machineinstrs -o - %s | FileCheck %s
2
3; CHECK-LABEL: vcopy_i1_undef
4; CHECK: IMPLICIT_DEF
5; CHECK-NOT: COPY
6; CHECK: IMPLICIT_DEF
7; CHECK-NOT: COPY
8; CHECK: .false:
9define <2 x float> @vcopy_i1_undef(<2 x float> addrspace(1)* %p) {
10entry:
11  br i1 undef, label %exit, label %false
12
13false:
14  %x = load <2 x float>, <2 x float> addrspace(1)* %p
15  %cmp = fcmp one <2 x float> %x, zeroinitializer
16  br label %exit
17
18exit:
19  %c = phi <2 x i1> [ undef, %entry ], [ %cmp, %false ]
20  %ret = select <2 x i1> %c, <2 x float> <float 2.0, float 2.0>, <2 x float> <float 4.0, float 4.0>
21  ret <2 x float> %ret
22}
23