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[X86] Add test coverage for #143238

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Simon Pilgrim
2025-06-08 13:35:52 +01:00
parent e0b33c9500
commit 3fc216bc3b
1 changed files with 98 additions and 0 deletions
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98
llvm/test/CodeGen/X86/vector-idiv-sdiv-128.ll
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@@ -1118,3 +1118,101 @@ define <16 x i8> @test_rem_variable_16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
%res = srem <16 x i8> %a, %b
ret <16 x i8> %res
}
define <16 x i8> @PR143238(<16 x i8> %a0) {
; SSE-LABEL: PR143238:
; SSE: # %bb.0:
; SSE-NEXT: pxor %xmm1, %xmm1
; SSE-NEXT: pxor %xmm2, %xmm2
; SSE-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm0[8],xmm2[9],xmm0[9],xmm2[10],xmm0[10],xmm2[11],xmm0[11],xmm2[12],xmm0[12],xmm2[13],xmm0[13],xmm2[14],xmm0[14],xmm2[15],xmm0[15]
; SSE-NEXT: pmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2 # [26368,47872,11008,20224,37632,35072,33024,30976]
; SSE-NEXT: psrlw $8, %xmm2
; SSE-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSE-NEXT: pmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1 # [33024,22016,33024,26368,11008,37632,33024,14592]
; SSE-NEXT: psrlw $8, %xmm1
; SSE-NEXT: packuswb %xmm2, %xmm1
; SSE-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT: paddb %xmm1, %xmm0
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: punpckhbw {{.*#+}} xmm1 = xmm1[8],xmm0[8],xmm1[9],xmm0[9],xmm1[10],xmm0[10],xmm1[11],xmm0[11],xmm1[12],xmm0[12],xmm1[13],xmm0[13],xmm1[14],xmm0[14],xmm1[15],xmm0[15]
; SSE-NEXT: psraw $8, %xmm1
; SSE-NEXT: pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1 # [64,32,128,64,32,32,32,32]
; SSE-NEXT: psrlw $8, %xmm1
; SSE-NEXT: movdqa %xmm0, %xmm2
; SSE-NEXT: punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
; SSE-NEXT: psraw $8, %xmm2
; SSE-NEXT: pmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2 # [256,256,128,128,256,64,64,128]
; SSE-NEXT: psrlw $8, %xmm2
; SSE-NEXT: packuswb %xmm1, %xmm2
; SSE-NEXT: psrlw $7, %xmm0
; SSE-NEXT: paddb %xmm2, %xmm0
; SSE-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX1-LABEL: PR143238:
; AVX1: # %bb.0:
; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1
; AVX1-NEXT: vpunpckhbw {{.*#+}} xmm2 = xmm1[8],xmm0[8],xmm1[9],xmm0[9],xmm1[10],xmm0[10],xmm1[11],xmm0[11],xmm1[12],xmm0[12],xmm1[13],xmm0[13],xmm1[14],xmm0[14],xmm1[15],xmm0[15]
; AVX1-NEXT: vpmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2 # [26368,47872,11008,20224,37632,35072,33024,30976]
; AVX1-NEXT: vpsrlw $8, %xmm2, %xmm2
; AVX1-NEXT: vpunpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; AVX1-NEXT: vpmulhw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm1 # [33024,22016,33024,26368,11008,37632,33024,14592]
; AVX1-NEXT: vpsrlw $8, %xmm1, %xmm1
; AVX1-NEXT: vpackuswb %xmm2, %xmm1, %xmm1
; AVX1-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX1-NEXT: vpaddb %xmm0, %xmm1, %xmm0
; AVX1-NEXT: vpunpckhbw {{.*#+}} xmm1 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; AVX1-NEXT: vpsraw $8, %xmm1, %xmm1
; AVX1-NEXT: vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1, %xmm1 # [64,32,128,64,32,32,32,32]
; AVX1-NEXT: vpsrlw $8, %xmm1, %xmm1
; AVX1-NEXT: vpunpcklbw {{.*#+}} xmm2 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; AVX1-NEXT: vpsraw $8, %xmm2, %xmm2
; AVX1-NEXT: vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2, %xmm2 # [256,256,128,128,256,64,64,128]
; AVX1-NEXT: vpsrlw $8, %xmm2, %xmm2
; AVX1-NEXT: vpackuswb %xmm1, %xmm2, %xmm1
; AVX1-NEXT: vpsrlw $7, %xmm0, %xmm0
; AVX1-NEXT: vpaddb %xmm0, %xmm1, %xmm0
; AVX1-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX1-NEXT: retq
;
; AVX2NOBW-LABEL: PR143238:
; AVX2NOBW: # %bb.0:
; AVX2NOBW-NEXT: vpmovsxbw %xmm0, %ymm1
; AVX2NOBW-NEXT: vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1 # [65409,86,65409,103,43,65427,65409,57,103,65467,43,79,65427,65417,65409,121]
; AVX2NOBW-NEXT: vpsrlw $8, %ymm1, %ymm1
; AVX2NOBW-NEXT: vextracti128 $1, %ymm1, %xmm2
; AVX2NOBW-NEXT: vpackuswb %xmm2, %xmm1, %xmm1
; AVX2NOBW-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX2NOBW-NEXT: vpaddb %xmm0, %xmm1, %xmm0
; AVX2NOBW-NEXT: vpmovsxbw %xmm0, %ymm1
; AVX2NOBW-NEXT: vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm1, %ymm1 # [256,256,128,128,256,64,64,128,64,32,128,64,32,32,32,32]
; AVX2NOBW-NEXT: vpsrlw $8, %ymm1, %ymm1
; AVX2NOBW-NEXT: vextracti128 $1, %ymm1, %xmm2
; AVX2NOBW-NEXT: vpackuswb %xmm2, %xmm1, %xmm1
; AVX2NOBW-NEXT: vpsrlw $7, %xmm0, %xmm0
; AVX2NOBW-NEXT: vpaddb %xmm0, %xmm1, %xmm0
; AVX2NOBW-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX2NOBW-NEXT: vzeroupper
; AVX2NOBW-NEXT: retq
;
; AVX512BW-LABEL: PR143238:
; AVX512BW: # %bb.0:
; AVX512BW-NEXT: vpmovsxbw {{.*#+}} ymm1 = [0,0,1,1,0,2,2,1,2,3,1,2,3,3,3,3]
; AVX512BW-NEXT: vpmovsxbw %xmm0, %ymm2
; AVX512BW-NEXT: vpmullw {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm2, %ymm2 # [65409,86,65409,103,43,65427,65409,57,103,65467,43,79,65427,65417,65409,121]
; AVX512BW-NEXT: vpsrlw $8, %ymm2, %ymm2
; AVX512BW-NEXT: vpmovwb %zmm2, %ymm2
; AVX512BW-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512BW-NEXT: vpaddb %xmm0, %xmm2, %xmm0
; AVX512BW-NEXT: vpmovsxbw %xmm0, %ymm2
; AVX512BW-NEXT: vpsrlvw %zmm1, %zmm2, %zmm1
; AVX512BW-NEXT: vpmovwb %zmm1, %ymm1
; AVX512BW-NEXT: vpsrlw $7, %xmm0, %xmm0
; AVX512BW-NEXT: vpaddb %xmm0, %xmm1, %xmm0
; AVX512BW-NEXT: vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; AVX512BW-NEXT: vzeroupper
; AVX512BW-NEXT: retq
%sdiv = sdiv <16 x i8> %a0, <i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 16, i8 17>
%mask = and <16 x i8> %sdiv, splat (i8 1)
ret <16 x i8> %mask
}