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[x86] Fix the v16i16 blend logic I added in the prior commit and add the

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missing test cases for it.

Unsurprisingly, without test cases, there were bugs here. Surprisingly,
this bug wasn't caught at compile time. Yep, there is an X86ISD::BLENDV.
It isn't wired to anything. Oops. I'll fix than next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218434 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-09-25 01:13:38 +00:00
parent aacc919bfd
commit ef673b3c73
2 changed files with 138 additions and 3 deletions
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8
lib/Target/X86/X86ISelLowering.cpp
View File

@ -7389,9 +7389,11 @@ static SDValue lowerVectorShuffleAsBlend(SDLoc DL, MVT VT, SDValue V1,
V1 = DAG.getNode(ISD::BITCAST, DL, MVT::v32i8, V1);
V2 = DAG.getNode(ISD::BITCAST, DL, MVT::v32i8, V2);
return DAG.getNode(ISD::BITCAST, DL, VT, DAG.getNode(
X86ISD::BLENDV, DL, MVT::v32i8, V1, V2,
DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v32i8, PBLENDVMask)));
return DAG.getNode(
ISD::BITCAST, DL, VT,
DAG.getNode(ISD::VSELECT, DL, MVT::v32i8,
DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v32i8, PBLENDVMask),
V1, V2));
}
default:

133
test/CodeGen/X86/vector-shuffle-256-v16.ll
View File

@ -597,6 +597,24 @@ define <16 x i16> @shuffle_v16i16_07_00_00_00_00_00_00_00_07_00_00_00_00_00_00_0
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_17_02_19_04_21_06_23_08_25_10_27_12_29_14_31(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_17_02_19_04_21_06_23_08_25_10_27_12_29_14_31
; AVX1: # BB#0:
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm2
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm3
; AVX1-NEXT: vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
; AVX1-NEXT: vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_00_17_02_19_04_21_06_23_08_25_10_27_12_29_14_31
; AVX2: # BB#0:
; AVX2-NEXT: vpblendw {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7],ymm0[8],ymm1[9],ymm0[10],ymm1[11],ymm0[12],ymm1[13],ymm0[14],ymm1[15]
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 4, i32 21, i32 6, i32 23, i32 8, i32 25, i32 10, i32 27, i32 12, i32 29, i32 14, i32 31>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_16_01_18_03_20_05_22_07_24_09_26_11_28_13_30_15(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_16_01_18_03_20_05_22_07_24_09_26_11_28_13_30_15
; AVX1: # BB#0:
@ -615,6 +633,121 @@ define <16 x i16> @shuffle_v16i16_16_01_18_03_20_05_22_07_24_09_26_11_28_13_30_1
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_01_18_19_04_05_22_23_08_09_26_27_12_13_30_31(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_01_18_19_04_05_22_23_08_09_26_27_12_13_30_31
; AVX1: # BB#0:
; AVX1-NEXT: vblendps {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_00_01_18_19_04_05_22_23_08_09_26_27_12_13_30_31
; AVX2: # BB#0:
; AVX2-NEXT: vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 1, i32 18, i32 19, i32 4, i32 5, i32 22, i32 23, i32 8, i32 9, i32 26, i32 27, i32 12, i32 13, i32 30, i32 31>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_16_17_18_19_04_05_06_07_24_25_26_27_12_13_14_15(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_16_17_18_19_04_05_06_07_24_25_26_27_12_13_14_15
; AVX1: # BB#0:
; AVX1-NEXT: vblendpd {{.*}} # ymm0 = ymm1[0],ymm0[1],ymm1[2],ymm0[3]
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_16_17_18_19_04_05_06_07_24_25_26_27_12_13_14_15
; AVX2: # BB#0:
; AVX2-NEXT: vpblendd {{.*}} # ymm0 = ymm1[0,1],ymm0[2,3],ymm1[4,5],ymm0[6,7]
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, i32 17, i32 18, i32 19, i32 4, i32 5, i32 6, i32 7, i32 24, i32 25, i32 26, i32 27, i32 12, i32 13, i32 14, i32 15>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_01_02_03_04_05_06_07_08_09_10_11_12_13_14_31(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_01_02_03_04_05_06_07_08_09_10_11_12_13_14_31
; AVX1: # BB#0:
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm1
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm2
; AVX1-NEXT: vpblendw {{.*}} # xmm1 = xmm2[0,1,2,3,4,5,6],xmm1[7]
; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_00_01_02_03_04_05_06_07_08_09_10_11_12_13_14_31
; AVX2: # BB#0:
; AVX2-NEXT: vmovdqa {{.*}} # ymm2 = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,128]
; AVX2-NEXT: vpblendvb %ymm2, %ymm0, %ymm1, %ymm0
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <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 31>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_16_01_02_03_04_05_06_07_08_09_10_11_12_13_14_15(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_16_01_02_03_04_05_06_07_08_09_10_11_12_13_14_15
; AVX1: # BB#0:
; AVX1-NEXT: vpblendw {{.*}} # xmm1 = xmm1[0],xmm0[1,2,3,4,5,6,7]
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0
; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_16_01_02_03_04_05_06_07_08_09_10_11_12_13_14_15
; AVX2: # BB#0:
; AVX2-NEXT: vmovdqa {{.*}} # ymm2 = [128,128,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
; AVX2-NEXT: vpblendvb %ymm2, %ymm0, %ymm1, %ymm0
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, 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>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_17_02_19_04_21_06_23_24_09_26_11_28_13_30_15(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_17_02_19_04_21_06_23_24_09_26_11_28_13_30_15
; AVX1: # BB#0:
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm2
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm3
; AVX1-NEXT: vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
; AVX1-NEXT: vpblendw {{.*}} # xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_00_17_02_19_04_21_06_23_24_09_26_11_28_13_30_15
; AVX2: # BB#0:
; AVX2-NEXT: vmovdqa {{.*}} # ymm2 = [0,0,128,128,0,0,128,128,0,0,128,128,0,0,128,128,128,128,0,0,128,128,0,0,128,128,0,0,128,128,0,0]
; AVX2-NEXT: vpblendvb %ymm2, %ymm0, %ymm1, %ymm0
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 4, i32 21, i32 6, i32 23, i32 24, i32 9, i32 26, i32 11, i32 28, i32 13, i32 30, i32 15>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_16_01_18_03_20_05_22_07_08_25_10_27_12_29_14_31(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_16_01_18_03_20_05_22_07_08_25_10_27_12_29_14_31
; AVX1: # BB#0:
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm2
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm3
; AVX1-NEXT: vpblendw {{.*}} # xmm2 = xmm3[0],xmm2[1],xmm3[2],xmm2[3],xmm3[4],xmm2[5],xmm3[6],xmm2[7]
; AVX1-NEXT: vpblendw {{.*}} # xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3],xmm1[4],xmm0[5],xmm1[6],xmm0[7]
; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_16_01_18_03_20_05_22_07_08_25_10_27_12_29_14_31
; AVX2: # BB#0:
; AVX2-NEXT: vmovdqa {{.*}} # ymm2 = [128,128,0,0,128,128,0,0,128,128,0,0,128,128,0,0,0,0,128,128,0,0,128,128,0,0,128,128,0,0,128,128]
; AVX2-NEXT: vpblendvb %ymm2, %ymm0, %ymm1, %ymm0
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, i32 1, i32 18, i32 3, i32 20, i32 5, i32 22, i32 7, i32 8, i32 25, i32 10, i32 27, i32 12, i32 29, i32 14, i32 31>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_01_18_19_20_21_06_07_08_09_26_27_12_13_30_31(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_01_18_19_20_21_06_07_08_09_26_27_12_13_30_31
; AVX1: # BB#0:
; AVX1-NEXT: vblendps {{.*}} # ymm0 = ymm0[0],ymm1[1,2],ymm0[3,4],ymm1[5],ymm0[6],ymm1[7]
; AVX1-NEXT: retq
;
; AVX2-LABEL: @shuffle_v16i16_00_01_18_19_20_21_06_07_08_09_26_27_12_13_30_31
; AVX2: # BB#0:
; AVX2-NEXT: vpblendd {{.*}} # ymm0 = ymm0[0],ymm1[1,2],ymm0[3,4],ymm1[5],ymm0[6],ymm1[7]
; AVX2-NEXT: retq
%shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 1, i32 18, i32 19, i32 20, i32 21, i32 6, i32 7, i32 8, i32 9, i32 26, i32 27, i32 12, i32 13, i32 30, i32 31>
ret <16 x i16> %shuffle
}
define <16 x i16> @shuffle_v16i16_00_16_00_16_00_16_00_16_00_16_00_16_00_16_00_16(<16 x i16> %a, <16 x i16> %b) {
; AVX1-LABEL: @shuffle_v16i16_00_16_00_16_00_16_00_16_00_16_00_16_00_16_00_16
; AVX1: # BB#0: