; RUN: llc -march=amdgcn -stop-after=amdgpu-isel -verify-machineinstrs -o - %s | FileCheck %s ; CHECK-LABEL: vcopy_i1_undef ; CHECK: [[IMPDEF0:%[0-9]+]]:sreg_64 = IMPLICIT_DEF ; CHECK-NOT: COPY ; CHECK: [[IMPDEF1:%[0-9]+]]:sreg_64 = 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> , <2 x float> ret <2 x float> %ret }