maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[X86] combineConcatVectorOps - combine X86ISD::VPERMI ops

This commit is contained in:
Simon Pilgrim 2020-02-10 17:32:58 +00:00
parent 84c934a5cb
commit 74c0f98cf5
2 changed files with 5 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -45983,6 +45983,7 @@ static SDValue combineConcatVectorOps(const SDLoc &DL, MVT VT,
Op0.getOperand(1));
}
break;
case X86ISD::VPERMI:
case X86ISD::VROTLI:
case X86ISD::VROTRI:
if (VT.is512BitVector() && Subtarget.useAVX512Regs() &&

12
llvm/test/CodeGen/X86/vector-shuffle-512-v64.ll
View File

@ -166,10 +166,9 @@ define <64 x i8> @shuffle_v64i8_63_62_61_60_59_58_57_56_55_54_53_52_51_50_49_48_
; AVX512F-NEXT: vextracti64x4 $1, %zmm0, %ymm1
; AVX512F-NEXT: vmovdqa {{.*#+}} ymm2 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
; AVX512F-NEXT: vpshufb %ymm2, %ymm0, %ymm0
; AVX512F-NEXT: vpermq {{.*#+}} ymm0 = ymm0[2,3,0,1]
; AVX512F-NEXT: vpshufb %ymm2, %ymm1, %ymm1
; AVX512F-NEXT: vpermq {{.*#+}} ymm1 = ymm1[2,3,0,1]
; AVX512F-NEXT: vinserti64x4 $1, %ymm0, %zmm1, %zmm0
; AVX512F-NEXT: vpermq {{.*#+}} zmm0 = zmm0[2,3,0,1,6,7,4,5]
; AVX512F-NEXT: retq
;
; AVX512BW-LABEL: shuffle_v64i8_63_62_61_60_59_58_57_56_55_54_53_52_51_50_49_48_47_46_45_44_43_42_41_40_39_38_37_36_35_34_33_32_31_30_29_28_27_26_25_24_23_22_21_20_19_18_17_16_15_14_13_12_11_10_09_08_07_06_05_04_03_02_01_00:
@ -183,10 +182,9 @@ define <64 x i8> @shuffle_v64i8_63_62_61_60_59_58_57_56_55_54_53_52_51_50_49_48_
; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm1
; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm2 = [15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0]
; AVX512DQ-NEXT: vpshufb %ymm2, %ymm0, %ymm0
; AVX512DQ-NEXT: vpermq {{.*#+}} ymm0 = ymm0[2,3,0,1]
; AVX512DQ-NEXT: vpshufb %ymm2, %ymm1, %ymm1
; AVX512DQ-NEXT: vpermq {{.*#+}} ymm1 = ymm1[2,3,0,1]
; AVX512DQ-NEXT: vinserti64x4 $1, %ymm0, %zmm1, %zmm0
; AVX512DQ-NEXT: vpermq {{.*#+}} zmm0 = zmm0[2,3,0,1,6,7,4,5]
; AVX512DQ-NEXT: retq
;
; AVX512VBMI-LABEL: shuffle_v64i8_63_62_61_60_59_58_57_56_55_54_53_52_51_50_49_48_47_46_45_44_43_42_41_40_39_38_37_36_35_34_33_32_31_30_29_28_27_26_25_24_23_22_21_20_19_18_17_16_15_14_13_12_11_10_09_08_07_06_05_04_03_02_01_00:
@ -559,9 +557,8 @@ define <64 x i8> @shuffle_v64i8_shift_00_02_04_06_08_10_12_14_16_18_20_22_24_26_
; AVX512F-NEXT: vpsrlw $8, %ymm2, %ymm2
; AVX512F-NEXT: vpsrlw $8, %ymm1, %ymm1
; AVX512F-NEXT: vpackuswb %ymm2, %ymm1, %ymm1
; AVX512F-NEXT: vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
; AVX512F-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
; AVX512F-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
; AVX512F-NEXT: vpermq {{.*#+}} zmm0 = zmm0[0,2,1,3,4,6,5,7]
; AVX512F-NEXT: retq
;
; AVX512BW-LABEL: shuffle_v64i8_shift_00_02_04_06_08_10_12_14_16_18_20_22_24_26_28_30_32_34_36_38_40_42_44_46_48_50_52_54_56_58_60_62_64_66_68_70_72_74_76_78_80_82_84_86_88_90_92_94_96_98_100_102_104_106_108_110_112_114_116_118_120_122_124_126:
@ -583,9 +580,8 @@ define <64 x i8> @shuffle_v64i8_shift_00_02_04_06_08_10_12_14_16_18_20_22_24_26_
; AVX512DQ-NEXT: vpsrlw $8, %ymm2, %ymm2
; AVX512DQ-NEXT: vpsrlw $8, %ymm1, %ymm1
; AVX512DQ-NEXT: vpackuswb %ymm2, %ymm1, %ymm1
; AVX512DQ-NEXT: vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
; AVX512DQ-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
; AVX512DQ-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
; AVX512DQ-NEXT: vpermq {{.*#+}} zmm0 = zmm0[0,2,1,3,4,6,5,7]
; AVX512DQ-NEXT: retq
;
; AVX512VBMI-LABEL: shuffle_v64i8_shift_00_02_04_06_08_10_12_14_16_18_20_22_24_26_28_30_32_34_36_38_40_42_44_46_48_50_52_54_56_58_60_62_64_66_68_70_72_74_76_78_80_82_84_86_88_90_92_94_96_98_100_102_104_106_108_110_112_114_116_118_120_122_124_126: