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