1 ; RUN: llc -march=amdgcn -stop-after=amdgpu-isel -verify-machineinstrs -o - %s | FileCheck %s
3 ; CHECK-LABEL: vcopy_i1_undef
4 ; CHECK: [[IMPDEF0:%[0-9]+]]:vreg_1 = IMPLICIT_DEF
6 ; CHECK: [[IMPDEF1:%[0-9]+]]:vreg_1 = IMPLICIT_DEF
7 ; CHECK-NOT: COPY [[IMPDEF0]]
8 ; CHECK-NOT: COPY [[IMPDEF1]]
10 define <2 x float> @vcopy_i1_undef(<2 x float> addrspace(1)* %p) {
12 br i1 undef, label %exit, label %false
15 %x = load <2 x float>, <2 x float> addrspace(1)* %p
16 %cmp = fcmp one <2 x float> %x, zeroinitializer
20 %c = phi <2 x i1> [ undef, %entry ], [ %cmp, %false ]
21 %ret = select <2 x i1> %c, <2 x float> <float 2.0, float 2.0>, <2 x float> <float 4.0, float 4.0>