1; RUN: llc -mtriple=amdgcn -stop-after=amdgpu-isel -verify-machineinstrs -o - %s | FileCheck %s 2; RUN: llc -mtriple=amdgcn -stop-after=amdgpu-isel -enable-new-pm -o - %s | FileCheck %s 3 4; CHECK-LABEL: vcopy_i1_undef 5; CHECK: [[IMPDEF0:%[0-9]+]]:sreg_64 = IMPLICIT_DEF 6; CHECK-NOT: COPY 7; CHECK: [[IMPDEF1:%[0-9]+]]:sreg_64 = IMPLICIT_DEF 8; CHECK-NOT: COPY [[IMPDEF0]] 9; CHECK-NOT: COPY [[IMPDEF1]] 10; CHECK: .false: 11define <2 x float> @vcopy_i1_undef(ptr addrspace(1) %p, i1 %c0) { 12entry: 13 br i1 %c0, label %exit, label %false 14 15false: 16 %x = load <2 x float>, ptr addrspace(1) %p 17 %cmp = fcmp one <2 x float> %x, zeroinitializer 18 br label %exit 19 20exit: 21 %c = phi <2 x i1> [ undef, %entry ], [ %cmp, %false ] 22 %ret = select <2 x i1> %c, <2 x float> <float 2.0, float 2.0>, <2 x float> <float 4.0, float 4.0> 23 ret <2 x float> %ret 24} 25