RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 11:13:28 +01:00
Code Issues Projects Releases Wiki Activity

[X86][SSE] Added tests showing missed combines to (V)PMOVZX

Browse Source 
llvm-svn: 288136
This commit is contained in:
Simon Pilgrim 2016-11-29 13:16:11 +00:00
parent 2001edc7fd
commit 190dd3eff7
2 changed files with 53 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
test/CodeGen/X86/vector-shuffle-combining-avx2.ll
View File

@ -447,6 +447,44 @@ define <8 x float> @combine_permps_as_permpd(<8 x float> %a) {
ret <8 x float> %1
}
define <4 x i64> @combine_pshufb_as_zext(<32 x i8> %a0) {
; X32-LABEL: combine_pshufb_as_zext:
; X32: # BB#0:
; X32-NEXT: vpermq {{.*#+}} ymm0 = ymm0[1,0,0,1]
; X32-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[8,9],zero,zero,zero,zero,zero,zero,ymm0[10,11],zero,zero,zero,zero,zero,zero,ymm0[20,21],zero,zero,zero,zero,zero,zero,ymm0[22,23],zero,zero,zero,zero,zero,zero
; X32-NEXT: retl
;
; X64-LABEL: combine_pshufb_as_zext:
; X64: # BB#0:
; X64-NEXT: vpermq {{.*#+}} ymm0 = ymm0[1,0,0,1]
; X64-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[8,9],zero,zero,zero,zero,zero,zero,ymm0[10,11],zero,zero,zero,zero,zero,zero,ymm0[20,21],zero,zero,zero,zero,zero,zero,ymm0[22,23],zero,zero,zero,zero,zero,zero
; X64-NEXT: retq
%1 = shufflevector <32 x i8> %a0, <32 x i8> undef, <32 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
%2 = call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %1, <32 x i8> <i8 8, i8 9, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 10, i8 11, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 4, i8 5, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 6, i8 7, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>)
%3 = bitcast <32 x i8> %2 to <4 x i64>
ret <4 x i64> %3
}
define <4 x i64> @combine_pshufb_as_zext128(<32 x i8> %a0) {
; X32-LABEL: combine_pshufb_as_zext128:
; X32: # BB#0:
; X32-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
; X32-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,1,0,1]
; X32-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[15,14],zero,zero,zero,zero,zero,zero,ymm0[13,12],zero,zero,zero,zero,zero,zero,ymm0[31,30],zero,zero,zero,zero,zero,zero,ymm0[29,28],zero,zero,zero,zero,zero,zero
; X32-NEXT: retl
;
; X64-LABEL: combine_pshufb_as_zext128:
; X64: # BB#0:
; X64-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
; X64-NEXT: vperm2i128 {{.*#+}} ymm0 = ymm0[0,1,0,1]
; X64-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[15,14],zero,zero,zero,zero,zero,zero,ymm0[13,12],zero,zero,zero,zero,zero,zero,ymm0[31,30],zero,zero,zero,zero,zero,zero,ymm0[29,28],zero,zero,zero,zero,zero,zero
; X64-NEXT: retq
%1 = shufflevector <32 x i8> %a0, <32 x i8> undef, <32 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0, i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
%2 = call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %1, <32 x i8> <i8 15, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 13, i8 12, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 15, i8 14, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 13, i8 12, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>)
%3 = bitcast <32 x i8> %2 to <4 x i64>
ret <4 x i64> %3
}
define <4 x double> @combine_pshufb_as_vzmovl_64(<4 x double> %a0) {
; X32-LABEL: combine_pshufb_as_vzmovl_64:
; X32: # BB#0:

15
test/CodeGen/X86/vector-shuffle-combining-ssse3.ll
View File

@ -105,6 +105,21 @@ define <4 x float> @combine_pshufb_as_movss(<4 x float> %a0, <4 x float> %a1) {
ret <4 x float> %4
}
define <4 x i32> @combine_pshufb_as_zext(<16 x i8> %a0) {
; SSE-LABEL: combine_pshufb_as_zext:
; SSE: # BB#0:
; SSE-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; SSE-NEXT: retq
;
; AVX-LABEL: combine_pshufb_as_zext:
; AVX: # BB#0:
; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX-NEXT: retq
%1 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %a0, <16 x i8> <i8 0, i8 -1, i8 -1, i8 -1, i8 1, i8 -1, i8 -1, i8 -1, i8 2, i8 -1, i8 -1, i8 -1, i8 3, i8 -1, i8 -1, i8 -1>)
%2 = bitcast <16 x i8> %1 to <4 x i32>
ret <4 x i32> %2
}
define <2 x double> @combine_pshufb_as_vzmovl_64(<2 x double> %a0) {
; SSE-LABEL: combine_pshufb_as_vzmovl_64:
; SSE: # BB#0: