1; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s 2 3; This test verifies that VSX swap optimization works for the 4; doubleword splat idiom. 5 6@a = external global <2 x double>, align 16 7@b = external global <2 x double>, align 16 8 9define void @test(double %s) { 10entry: 11 %0 = insertelement <2 x double> undef, double %s, i32 0 12 %1 = shufflevector <2 x double> %0, <2 x double> undef, <2 x i32> zeroinitializer 13 %2 = load <2 x double>, <2 x double>* @a, align 16 14 %3 = fadd <2 x double> %0, %2 15 store <2 x double> %3, <2 x double>* @b, align 16 16 ret void 17} 18 19; CHECK-LABEL: @test 20; CHECK-DAG: xxspltd 21; CHECK-DAG: lxvd2x 22; CHECK: xvadddp 23; CHECK: stxvd2x 24; CHECK-NOT: xxswapd 25