1; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s 2 3; These tests verify that VSX swap optimization works for various 4; manipulations of <2 x double> vectors. 5 6@x = global <2 x double> <double 9.970000e+01, double -1.032220e+02>, align 16 7@z = global <2 x double> <double 2.332000e+01, double 3.111111e+01>, align 16 8 9define void @bar0(double %y) { 10entry: 11 %0 = load <2 x double>, <2 x double>* @x, align 16 12 %vecins = insertelement <2 x double> %0, double %y, i32 0 13 store <2 x double> %vecins, <2 x double>* @z, align 16 14 ret void 15} 16 17; CHECK-LABEL: @bar0 18; CHECK-DAG: xxswapd 1, 1 19; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] 20; CHECK: xxmrgld [[REG2:[0-9]+]], 1, [[REG1]] 21; CHECK: stxvd2x [[REG2]] 22; CHECK-NOT: xxswapd 23 24define void @bar1(double %y) { 25entry: 26 %0 = load <2 x double>, <2 x double>* @x, align 16 27 %vecins = insertelement <2 x double> %0, double %y, i32 1 28 store <2 x double> %vecins, <2 x double>* @z, align 16 29 ret void 30} 31 32; CHECK-LABEL: @bar1 33; CHECK-DAG: xxswapd 1, 1 34; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] 35; CHECK: xxpermdi [[REG2:[0-9]+]], [[REG1]], 1, 1 36; CHECK: stxvd2x [[REG2]] 37; CHECK-NOT: xxswapd 38 39define void @baz0() { 40entry: 41 %0 = load <2 x double>, <2 x double>* @z, align 16 42 %1 = load <2 x double>, <2 x double>* @x, align 16 43 %vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 0, i32 2> 44 store <2 x double> %vecins, <2 x double>* @z, align 16 45 ret void 46} 47 48; CHECK-LABEL: @baz0 49; CHECK: lxvd2x 50; CHECK: lxvd2x 51; CHECK: xxmrghd 52; CHECK: stxvd2x 53; CHECK-NOT: xxswapd 54 55define void @baz1() { 56entry: 57 %0 = load <2 x double>, <2 x double>* @z, align 16 58 %1 = load <2 x double>, <2 x double>* @x, align 16 59 %vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 3, i32 1> 60 store <2 x double> %vecins, <2 x double>* @z, align 16 61 ret void 62} 63 64; CHECK-LABEL: @baz1 65; CHECK: lxvd2x 66; CHECK: lxvd2x 67; CHECK: xxmrgld 68; CHECK: stxvd2x 69; CHECK-NOT: xxswapd 70 71