| Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s |
| Bill Schmidt | 15deb80 | 2015-07-13 22:58:19 +0000 | [diff] [blame] | 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 | |
| 9 | define void @bar0(double %y) { |
| 10 | entry: |
| 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 |
| Bill Schmidt | 15deb80 | 2015-07-13 22:58:19 +0000 | [diff] [blame] | 18 | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| 19 | ; CHECK-DAG: xxspltd [[REG2:[0-9]+]] |
| 20 | ; CHECK: xxpermdi [[REG3:[0-9]+]], [[REG2]], [[REG1]], 1 |
| 21 | ; CHECK: stxvd2x [[REG3]] |
| Bill Schmidt | 34af5e1 | 2015-11-10 21:38:26 +0000 | [diff] [blame] | 22 | ; CHECK-NOT: xxswapd |
| Bill Schmidt | 15deb80 | 2015-07-13 22:58:19 +0000 | [diff] [blame] | 23 | |
| 24 | define void @bar1(double %y) { |
| 25 | entry: |
| 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 |
| Bill Schmidt | 15deb80 | 2015-07-13 22:58:19 +0000 | [diff] [blame] | 33 | ; CHECK-DAG: lxvd2x [[REG1:[0-9]+]] |
| 34 | ; CHECK-DAG: xxspltd [[REG2:[0-9]+]] |
| 35 | ; CHECK: xxmrghd [[REG3:[0-9]+]], [[REG1]], [[REG2]] |
| 36 | ; CHECK: stxvd2x [[REG3]] |
| Bill Schmidt | 34af5e1 | 2015-11-10 21:38:26 +0000 | [diff] [blame] | 37 | ; CHECK-NOT: xxswapd |
| Bill Schmidt | 15deb80 | 2015-07-13 22:58:19 +0000 | [diff] [blame] | 38 | |
| 39 | define void @baz0() { |
| 40 | entry: |
| 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 | |
| 55 | define void @baz1() { |
| 56 | entry: |
| 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 | |