| ; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s |
| |
| ; These tests verify that VSX swap optimization works when loading a scalar |
| ; into a vector register. |
| |
| |
| @x = global <2 x double> <double 9.970000e+01, double -1.032220e+02>, align 16 |
| @z = global <2 x double> <double 2.332000e+01, double 3.111111e+01>, align 16 |
| @y = global double 1.780000e+00, align 8 |
| |
| define void @bar0() { |
| entry: |
| %0 = load <2 x double>, <2 x double>* @x, align 16 |
| %1 = load double, double* @y, align 8 |
| %vecins = insertelement <2 x double> %0, double %1, i32 0 |
| store <2 x double> %vecins, <2 x double>* @z, align 16 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @bar0 |
| ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| ; CHECK-DAG: lxsdx [[REG2:[0-9]+]] |
| ; CHECK: xxspltd [[REG4:[0-9]+]], [[REG2]], 0 |
| ; CHECK: xxpermdi [[REG5:[0-9]+]], [[REG4]], [[REG1]], 1 |
| ; CHECK: stxvd2x [[REG5]] |
| |
| define void @bar1() { |
| entry: |
| %0 = load <2 x double>, <2 x double>* @x, align 16 |
| %1 = load double, double* @y, align 8 |
| %vecins = insertelement <2 x double> %0, double %1, i32 1 |
| store <2 x double> %vecins, <2 x double>* @z, align 16 |
| ret void |
| } |
| |
| ; CHECK-LABEL: @bar1 |
| ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| ; CHECK-DAG: lxsdx [[REG2:[0-9]+]] |
| ; CHECK: xxspltd [[REG4:[0-9]+]], [[REG2]], 0 |
| ; CHECK: xxmrghd [[REG5:[0-9]+]], [[REG1]], [[REG4]] |
| ; CHECK: stxvd2x [[REG5]] |
| |