1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown-unknown -mcpu=generic -mattr=+avx < %s | FileCheck %s 3 4 ; When commuting a VADDSDrr instruction, verify that the 'IsUndef' flag is 5 ; correctly propagated to the operands of the resulting instruction. 6 ; Test for PR23103; 7 8 declare zeroext i1 @foo(<1 x double>) 9 10 define <1 x double> @pr23103(<1 x double>* align 8 %Vp) { 11 ; CHECK-LABEL: pr23103: 12 ; CHECK: # %bb.0: # %entry 13 ; CHECK-NEXT: pushq %rax 14 ; CHECK-NEXT: .cfi_def_cfa_offset 16 15 ; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero 16 ; CHECK-NEXT: callq foo 17 ; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero 18 ; CHECK-NEXT: popq %rax 19 ; CHECK-NEXT: .cfi_def_cfa_offset 8 20 ; CHECK-NEXT: retq 21 entry: 22 %V = load <1 x double>, <1 x double>* %Vp, align 8 23 %call = call zeroext i1 @foo(<1 x double> %V) 24 %fadd = fadd <1 x double> %V, undef 25 ret <1 x double> %fadd 26 } 27
