; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s ; This test verifies that VSX swap optimization works for the ; doubleword splat idiom. @a = external global <2 x double>, align 16 @b = external global <2 x double>, align 16 define void @test(double %s) { entry: %0 = insertelement <2 x double> undef, double %s, i32 0 %1 = shufflevector <2 x double> %0, <2 x double> undef, <2 x i32> zeroinitializer %2 = load <2 x double>, <2 x double>* @a, align 16 %3 = fadd <2 x double> %0, %2 store <2 x double> %3, <2 x double>* @b, align 16 ret void } ; CHECK-LABEL: @test ; CHECK-DAG: xxspltd ; CHECK-DAG: lxvd2x ; CHECK: xvadddp ; CHECK: stxvd2x ; CHECK-NOT: xxswapd