blob: e0508effac05d7051821fde038f5cd7bfa575e26 [file] [log] [blame]
Andrea Di Biagioc84b5bd2015-04-30 21:03:29 +00001; RUN: llc -verify-machineinstrs -mtriple=x86_64-unknown-unknown -mcpu=generic -mattr=+avx < %s | FileCheck %s
2
3; When commuting a VADDSDrr instruction, verify that the 'IsUndef' flag is
4; correctly propagated to the operands of the resulting instruction.
5; Test for PR23103;
6
7declare zeroext i1 @foo(<1 x double>)
8
9define <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
15; CHECK: retq
16entry:
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
21}