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db43217a24
Currently we have a number of tests that fail with -verify-machineinstrs. To detect this cases earlier we add the option to the testcases with the exception of tests that will currently fail with this option. PR 27456 keeps track of this failures. No code review, as discussed with Hal Finkel. llvm-svn: 277624
25 lines
734 B
LLVM
25 lines
734 B
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s
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; This test verifies that VSX swap optimization works for the
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; doubleword splat idiom.
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@a = external global <2 x double>, align 16
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@b = external global <2 x double>, align 16
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define void @test(double %s) {
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entry:
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%0 = insertelement <2 x double> undef, double %s, i32 0
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%1 = shufflevector <2 x double> %0, <2 x double> undef, <2 x i32> zeroinitializer
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%2 = load <2 x double>, <2 x double>* @a, align 16
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%3 = fadd <2 x double> %0, %2
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store <2 x double> %3, <2 x double>* @b, align 16
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ret void
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}
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; CHECK-LABEL: @test
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; CHECK-DAG: xxspltd
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; CHECK-DAG: lxvd2x
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; CHECK: xvadddp
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; CHECK: stxvd2x
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; CHECK-NOT: xxswapd
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