mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
37734277f0
shuffle node because it could introduce new shuffle nodes that were not supported efficiently by the target. 2. Add a more restrictive shuffle-of-shuffle optimization for cases where the second shuffle reverses the transformation of the first shuffle. llvm-svn: 154266
69 lines
2.0 KiB
LLVM
69 lines
2.0 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
|
|
|
|
; Check that we perform a scalar XOR on i32.
|
|
|
|
; CHECK: pull_bitcast
|
|
; CHECK: xorl
|
|
; CHECK: ret
|
|
define void @pull_bitcast (<4 x i8>* %pA, <4 x i8>* %pB) {
|
|
%A = load <4 x i8>* %pA
|
|
%B = load <4 x i8>* %pB
|
|
%C = xor <4 x i8> %A, %B
|
|
store <4 x i8> %C, <4 x i8>* %pA
|
|
ret void
|
|
}
|
|
|
|
; CHECK: multi_use_swizzle
|
|
; CHECK: mov
|
|
; CHECK-NEXT: shuf
|
|
; CHECK-NEXT: shuf
|
|
; CHECK-NEXT: shuf
|
|
; CHECK-NEXT: xor
|
|
; CHECK-NEXT: ret
|
|
define <4 x i32> @multi_use_swizzle (<4 x i32>* %pA, <4 x i32>* %pB) {
|
|
%A = load <4 x i32>* %pA
|
|
%B = load <4 x i32>* %pB
|
|
%S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 1, i32 5, i32 6>
|
|
%S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 1, i32 3, i32 2, i32 2>
|
|
%S2 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 2>
|
|
%R = xor <4 x i32> %S1, %S2
|
|
ret <4 x i32> %R
|
|
}
|
|
|
|
; CHECK: pull_bitcast2
|
|
; CHECK: xorl
|
|
; CHECK: ret
|
|
define <4 x i8> @pull_bitcast2 (<4 x i8>* %pA, <4 x i8>* %pB, <4 x i8>* %pC) {
|
|
%A = load <4 x i8>* %pA
|
|
store <4 x i8> %A, <4 x i8>* %pC
|
|
%B = load <4 x i8>* %pB
|
|
%C = xor <4 x i8> %A, %B
|
|
store <4 x i8> %C, <4 x i8>* %pA
|
|
ret <4 x i8> %C
|
|
}
|
|
|
|
|
|
|
|
; CHECK: reverse_1
|
|
; CHECK-NOT: shuf
|
|
; CHECK: ret
|
|
define <4 x i32> @reverse_1 (<4 x i32>* %pA, <4 x i32>* %pB) {
|
|
%A = load <4 x i32>* %pA
|
|
%B = load <4 x i32>* %pB
|
|
%S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
|
|
%S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
|
|
ret <4 x i32> %S1
|
|
}
|
|
|
|
|
|
; CHECK: no_reverse_shuff
|
|
; CHECK: shuf
|
|
; CHECK: ret
|
|
define <4 x i32> @no_reverse_shuff (<4 x i32>* %pA, <4 x i32>* %pB) {
|
|
%A = load <4 x i32>* %pA
|
|
%B = load <4 x i32>* %pB
|
|
%S = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
|
|
%S1 = shufflevector <4 x i32> %S, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 3, i32 2>
|
|
ret <4 x i32> %S1
|
|
}
|