1*9880d681SAndroid Build Coastguard Worker; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown-unknown -mcpu=generic -mattr=+avx < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; When commuting a VADDSDrr instruction, verify that the 'IsUndef' flag is 4*9880d681SAndroid Build Coastguard Worker; correctly propagated to the operands of the resulting instruction. 5*9880d681SAndroid Build Coastguard Worker; Test for PR23103; 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdeclare zeroext i1 @foo(<1 x double>) 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine <1 x double> @pr23103(<1 x double>* align 8 %Vp) { 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: pr23103: 11*9880d681SAndroid Build Coastguard Worker; CHECK: vmovsd (%rdi), %xmm0 12*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: vmovsd %xmm0, {{.*}}(%rsp) {{.*#+}} 8-byte Spill 13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: callq foo 14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: vaddsd {{.*}}(%rsp), %xmm0, %xmm0 {{.*#+}} 8-byte Folded Reload 15*9880d681SAndroid Build Coastguard Worker; CHECK: retq 16*9880d681SAndroid Build Coastguard Workerentry: 17*9880d681SAndroid Build Coastguard Worker %V = load <1 x double>, <1 x double>* %Vp, align 8 18*9880d681SAndroid Build Coastguard Worker %call = call zeroext i1 @foo(<1 x double> %V) 19*9880d681SAndroid Build Coastguard Worker %fadd = fadd <1 x double> %V, undef 20*9880d681SAndroid Build Coastguard Worker ret <1 x double> %fadd 21*9880d681SAndroid Build Coastguard Worker} 22