| Bill Schmidt | 2be8054 | 2015-07-21 21:40:17 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s |
| 2 | |
| 3 | ; These tests verify that VSX swap optimization works when loading a scalar |
| 4 | ; into a vector register. |
| 5 | |
| 6 | |
| 7 | @x = global <2 x double> <double 9.970000e+01, double -1.032220e+02>, align 16 |
| 8 | @z = global <2 x double> <double 2.332000e+01, double 3.111111e+01>, align 16 |
| 9 | @y = global double 1.780000e+00, align 8 |
| 10 | |
| 11 | define void @bar0() { |
| 12 | entry: |
| 13 | %0 = load <2 x double>, <2 x double>* @x, align 16 |
| 14 | %1 = load double, double* @y, align 8 |
| 15 | %vecins = insertelement <2 x double> %0, double %1, i32 0 |
| 16 | store <2 x double> %vecins, <2 x double>* @z, align 16 |
| 17 | ret void |
| 18 | } |
| 19 | |
| 20 | ; CHECK-LABEL: @bar0 |
| 21 | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| 22 | ; CHECK-DAG: lxsdx [[REG2:[0-9]+]] |
| 23 | ; CHECK: xxswapd [[REG3:[0-9]+]], [[REG2]] |
| 24 | ; CHECK: xxspltd [[REG4:[0-9]+]], [[REG3]], 1 |
| 25 | ; CHECK: xxpermdi [[REG5:[0-9]+]], [[REG4]], [[REG1]], 1 |
| 26 | ; CHECK: stxvd2x [[REG5]] |
| 27 | |
| 28 | define void @bar1() { |
| 29 | entry: |
| 30 | %0 = load <2 x double>, <2 x double>* @x, align 16 |
| 31 | %1 = load double, double* @y, align 8 |
| 32 | %vecins = insertelement <2 x double> %0, double %1, i32 1 |
| 33 | store <2 x double> %vecins, <2 x double>* @z, align 16 |
| 34 | ret void |
| 35 | } |
| 36 | |
| 37 | ; CHECK-LABEL: @bar1 |
| 38 | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| 39 | ; CHECK-DAG: lxsdx [[REG2:[0-9]+]] |
| 40 | ; CHECK: xxswapd [[REG3:[0-9]+]], [[REG2]] |
| 41 | ; CHECK: xxspltd [[REG4:[0-9]+]], [[REG3]], 1 |
| 42 | ; CHECK: xxmrghd [[REG5:[0-9]+]], [[REG1]], [[REG4]] |
| 43 | ; CHECK: stxvd2x [[REG5]] |
| 44 | |