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