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llvm/test/CodeGen/PowerPC/vsx_shuffle_le.ll
Nemanja Ivanovic a941fe247e [Power9] Add exploitation of non-permuting memory ops 
This patch corresponds to review:
https://reviews.llvm.org/D19825

The new lxvx/stxvx instructions do not require the swaps to line the elements
up correctly. In order to select them over the lxvd2x/lxvw4x instructions which
require swaps, the patterns for the old instruction have a predicate that
ensures they won't be selected on Power9 and newer CPUs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282143 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-22 09:52:19 +00:00

278 lines
7.7 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mattr=+vsx \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mattr=-power9-vector \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mcpu=pwr9 -mattr=+vsx \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s \
; RUN: --check-prefix=CHECK-P9 --implicit-check-not xxswapd
define <2 x double> @test00(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 0, i32 0>
ret <2 x double> %v3
; CHECK-LABEL: test00
; CHECK: lxvd2x 0, 0, 3
; CHECK: xxspltd 34, 0, 0
; CHECK-P9-LABEL: test00
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: xxspltd 34, 0, 1
}
define <2 x double> @test01(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 0, i32 1>
ret <2 x double> %v3
; CHECK-LABEL: test01
; CHECK: lxvd2x 0, 0, 3
; CHECK: xxswapd 34, 0
; CHECK-P9-LABEL: test01
; CHECK-P9: lxvx 34, 0, 3
}
define <2 x double> @test02(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 0, i32 2>
ret <2 x double> %v3
; CHECK-LABEL: @test02
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxmrgld 34, 1, 0
; CHECK-P9-LABEL: @test02
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxmrgld 34, 1, 0
}
define <2 x double> @test03(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 0, i32 3>
ret <2 x double> %v3
; CHECK-LABEL: @test03
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxpermdi 34, 1, 0, 1
; CHECK-P9-LABEL: @test03
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxpermdi 34, 1, 0, 1
}
define <2 x double> @test10(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 1, i32 0>
ret <2 x double> %v3
; CHECK-LABEL: @test10
; CHECK: lxvd2x 34, 0, 3
; CHECK-P9-LABEL: @test10
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: xxswapd 34, 0
}
define <2 x double> @test11(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 1, i32 1>
ret <2 x double> %v3
; CHECK-LABEL: @test11
; CHECK: lxvd2x 0, 0, 3
; CHECK: xxspltd 34, 0, 1
; CHECK-P9-LABEL: @test11
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: xxspltd 34, 0, 0
}
define <2 x double> @test12(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 1, i32 2>
ret <2 x double> %v3
; CHECK-LABEL: @test12
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxpermdi 34, 1, 0, 2
; CHECK-P9-LABEL: @test12
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxpermdi 34, 1, 0, 2
}
define <2 x double> @test13(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 1, i32 3>
ret <2 x double> %v3
; CHECK-LABEL: @test13
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxmrghd 34, 1, 0
; CHECK-P9-LABEL: @test13
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxmrghd 34, 1, 0
}
define <2 x double> @test20(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 2, i32 0>
ret <2 x double> %v3
; CHECK-LABEL: @test20
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxmrgld 34, 0, 1
; CHECK-P9-LABEL: @test20
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxmrgld 34, 0, 1
}
define <2 x double> @test21(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 2, i32 1>
ret <2 x double> %v3
; CHECK-LABEL: @test21
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxpermdi 34, 0, 1, 1
; CHECK-P9-LABEL: @test21
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxpermdi 34, 0, 1, 1
}
define <2 x double> @test22(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 2, i32 2>
ret <2 x double> %v3
; CHECK-LABEL: @test22
; CHECK: lxvd2x 0, 0, 4
; CHECK: xxspltd 34, 0, 0
; CHECK-P9-LABEL: @test22
; CHECK-P9: lxvx 0, 0, 4
; CHECK-P9: xxspltd 34, 0, 1
}
define <2 x double> @test23(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 2, i32 3>
ret <2 x double> %v3
; CHECK-LABEL: @test23
; CHECK: lxvd2x 0, 0, 4
; CHECK: xxswapd 34, 0
; CHECK-P9-LABEL: @test23
; CHECK-P9: lxvx 34, 0, 4
}
define <2 x double> @test30(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 3, i32 0>
ret <2 x double> %v3
; CHECK-LABEL: @test30
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxpermdi 34, 0, 1, 2
; CHECK-P9-LABEL: @test30
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxpermdi 34, 0, 1, 2
}
define <2 x double> @test31(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 3, i32 1>
ret <2 x double> %v3
; CHECK-LABEL: @test31
; CHECK: lxvd2x 0, 0, 3
; CHECK: lxvd2x 1, 0, 4
; CHECK: xxswapd 0, 0
; CHECK: xxswapd 1, 1
; CHECK: xxmrghd 34, 0, 1
; CHECK-P9-LABEL: @test31
; CHECK-P9: lxvx 0, 0, 3
; CHECK-P9: lxvx 1, 0, 4
; CHECK-P9: xxmrghd 34, 0, 1
}
define <2 x double> @test32(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 3, i32 2>
ret <2 x double> %v3
; CHECK-LABEL: @test32
; CHECK: lxvd2x 34, 0, 4
; CHECK-P9-LABEL: @test32
; CHECK-P9: lxvx 0, 0, 4
; CHECK-P9: xxswapd 34, 0
}
define <2 x double> @test33(<2 x double>* %p1, <2 x double>* %p2) {
%v1 = load <2 x double>, <2 x double>* %p1
%v2 = load <2 x double>, <2 x double>* %p2
%v3 = shufflevector <2 x double> %v1, <2 x double> %v2, <2 x i32> < i32 3, i32 3>
ret <2 x double> %v3
; CHECK-LABEL: @test33
; CHECK: lxvd2x 0, 0, 4
; CHECK: xxspltd 34, 0, 1
; CHECK-P9-LABEL: @test33
; CHECK-P9: lxvx 0, 0, 4
; CHECK-P9: xxspltd 34, 0, 0
}
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