[llvm] r335637 - [DAGCombiner] Don't accept -1 sdiv divisors in sdiv-by-pow2 vector expansion (PR37119)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 26 10:46:51 PDT 2018
Author: rksimon
Date: Tue Jun 26 10:46:51 2018
New Revision: 335637
URL: http://llvm.org/viewvc/llvm-project?rev=335637&view=rev
Log:
[DAGCombiner] Don't accept -1 sdiv divisors in sdiv-by-pow2 vector expansion (PR37119)
Temporary fix until I've managed to get D45806 updated - both +1 and -1 special cases need to be properly supported.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/trunk/test/CodeGen/X86/combine-sdiv.ll
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=335637&r1=335636&r2=335637&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Tue Jun 26 10:46:51 2018
@@ -3051,6 +3051,8 @@ SDValue DAGCombiner::visitSDIV(SDNode *N
// == 1)
if (C->getAPIntValue().isOneValue())
return false;
+ if (C->getAPIntValue().isAllOnesValue())
+ return false;
if (C->getAPIntValue().isPowerOf2())
return true;
Modified: llvm/trunk/test/CodeGen/X86/combine-sdiv.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/combine-sdiv.ll?rev=335637&r1=335636&r2=335637&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/combine-sdiv.ll (original)
+++ llvm/trunk/test/CodeGen/X86/combine-sdiv.ll Tue Jun 26 10:46:51 2018
@@ -4296,201 +4296,194 @@ define <16 x i8> @non_splat_minus_one_di
define <16 x i8> @non_splat_minus_one_divisor_1(<16 x i8> %A) {
; SSE-LABEL: non_splat_minus_one_divisor_1:
; SSE: # %bb.0:
-; SSE-NEXT: movdqa %xmm0, %xmm2
-; SSE-NEXT: pxor %xmm1, %xmm1
-; SSE-NEXT: pxor %xmm3, %xmm3
-; SSE-NEXT: pcmpgtb %xmm0, %xmm3
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psrlw $4, %xmm4
-; SSE-NEXT: pand {{.*}}(%rip), %xmm4
-; SSE-NEXT: movdqa {{.*#+}} xmm0 = [256,224,256,224,57600,57568,57568,57568]
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psrlw $2, %xmm4
-; SSE-NEXT: pand {{.*}}(%rip), %xmm4
-; SSE-NEXT: paddb %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psrlw $1, %xmm4
-; SSE-NEXT: pand {{.*}}(%rip), %xmm4
-; SSE-NEXT: paddb %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: paddb %xmm2, %xmm3
-; SSE-NEXT: punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm3[8],xmm2[9],xmm3[9],xmm2[10],xmm3[10],xmm2[11],xmm3[11],xmm2[12],xmm3[12],xmm2[13],xmm3[13],xmm2[14],xmm3[14],xmm2[15],xmm3[15]
-; SSE-NEXT: movdqa %xmm2, %xmm4
-; SSE-NEXT: psraw $4, %xmm4
-; SSE-NEXT: movdqa {{.*#+}} xmm5 = [0,32,0,32,8192,8224,8224,8224]
-; SSE-NEXT: punpckhbw {{.*#+}} xmm0 = xmm0[8],xmm5[8],xmm0[9],xmm5[9],xmm0[10],xmm5[10],xmm0[11],xmm5[11],xmm0[12],xmm5[12],xmm0[13],xmm5[13],xmm0[14],xmm5[14],xmm0[15],xmm5[15]
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm2
-; SSE-NEXT: movdqa %xmm2, %xmm4
-; SSE-NEXT: psraw $2, %xmm4
-; SSE-NEXT: paddw %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm2
-; SSE-NEXT: movdqa %xmm2, %xmm4
-; SSE-NEXT: psraw $1, %xmm4
-; SSE-NEXT: paddw %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm2
-; SSE-NEXT: psrlw $8, %xmm2
-; SSE-NEXT: punpcklbw {{.*#+}} xmm3 = xmm3[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psraw $4, %xmm4
-; SSE-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[1],xmm5[1],xmm0[2],xmm5[2],xmm0[3],xmm5[3],xmm0[4],xmm5[4],xmm0[5],xmm5[5],xmm0[6],xmm5[6],xmm0[7],xmm5[7]
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psraw $2, %xmm4
-; SSE-NEXT: paddw %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: movdqa %xmm3, %xmm4
-; SSE-NEXT: psraw $1, %xmm4
-; SSE-NEXT: paddw %xmm0, %xmm0
-; SSE-NEXT: pblendvb %xmm0, %xmm4, %xmm3
-; SSE-NEXT: psrlw $8, %xmm3
-; SSE-NEXT: packuswb %xmm2, %xmm3
-; SSE-NEXT: psubb %xmm3, %xmm1
-; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,0,255,0,0,0,255,0,0,255,255,255,255,255,255,255]
-; SSE-NEXT: pblendvb %xmm0, %xmm3, %xmm1
+; SSE-NEXT: pextrb $1, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pextrb $0, %xmm0, %ecx
+; SSE-NEXT: negb %cl
+; SSE-NEXT: movzbl %cl, %ecx
+; SSE-NEXT: movd %ecx, %xmm1
+; SSE-NEXT: pinsrb $1, %eax, %xmm1
+; SSE-NEXT: pextrb $2, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $2, %eax, %xmm1
+; SSE-NEXT: pextrb $3, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pinsrb $3, %eax, %xmm1
+; SSE-NEXT: pextrb $4, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pinsrb $4, %eax, %xmm1
+; SSE-NEXT: pextrb $5, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pinsrb $5, %eax, %xmm1
+; SSE-NEXT: pextrb $6, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $6, %eax, %xmm1
+; SSE-NEXT: pextrb $7, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pinsrb $7, %eax, %xmm1
+; SSE-NEXT: pextrb $8, %xmm0, %eax
+; SSE-NEXT: negb %al
+; SSE-NEXT: movzbl %al, %eax
+; SSE-NEXT: pinsrb $8, %eax, %xmm1
+; SSE-NEXT: pextrb $9, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $9, %eax, %xmm1
+; SSE-NEXT: pextrb $10, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $10, %eax, %xmm1
+; SSE-NEXT: pextrb $11, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $11, %eax, %xmm1
+; SSE-NEXT: pextrb $12, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $12, %eax, %xmm1
+; SSE-NEXT: pextrb $13, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $13, %eax, %xmm1
+; SSE-NEXT: pextrb $14, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $14, %eax, %xmm1
+; SSE-NEXT: pextrb $15, %xmm0, %eax
+; SSE-NEXT: movl %eax, %ecx
+; SSE-NEXT: shrb $7, %cl
+; SSE-NEXT: addb %al, %cl
+; SSE-NEXT: sarb %cl
+; SSE-NEXT: movzbl %cl, %eax
+; SSE-NEXT: pinsrb $15, %eax, %xmm1
; SSE-NEXT: movdqa %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX1-LABEL: non_splat_minus_one_divisor_1:
-; AVX1: # %bb.0:
-; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX1-NEXT: vpcmpgtb %xmm0, %xmm1, %xmm2
-; AVX1-NEXT: vpsrlw $4, %xmm2, %xmm3
-; AVX1-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX1-NEXT: vmovdqa {{.*#+}} xmm4 = [256,224,256,224,57600,57568,57568,57568]
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpsrlw $2, %xmm2, %xmm3
-; AVX1-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX1-NEXT: vpaddb %xmm4, %xmm4, %xmm4
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpsrlw $1, %xmm2, %xmm3
-; AVX1-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX1-NEXT: vpaddb %xmm4, %xmm4, %xmm4
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpaddb %xmm2, %xmm0, %xmm0
-; AVX1-NEXT: vpunpckhbw {{.*#+}} xmm2 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
-; AVX1-NEXT: vpsraw $4, %xmm2, %xmm3
-; AVX1-NEXT: vmovdqa {{.*#+}} xmm4 = [0,32,0,32,8192,8224,8224,8224]
-; AVX1-NEXT: vpunpckhbw {{.*#+}} xmm5 = xmm0[8],xmm4[8],xmm0[9],xmm4[9],xmm0[10],xmm4[10],xmm0[11],xmm4[11],xmm0[12],xmm4[12],xmm0[13],xmm4[13],xmm0[14],xmm4[14],xmm0[15],xmm4[15]
-; AVX1-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpsraw $2, %xmm2, %xmm3
-; AVX1-NEXT: vpaddw %xmm5, %xmm5, %xmm5
-; AVX1-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpsraw $1, %xmm2, %xmm3
-; AVX1-NEXT: vpaddw %xmm5, %xmm5, %xmm5
-; AVX1-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX1-NEXT: vpsrlw $8, %xmm2, %xmm2
-; AVX1-NEXT: vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
-; AVX1-NEXT: vpsraw $4, %xmm0, %xmm3
-; AVX1-NEXT: vpunpcklbw {{.*#+}} xmm4 = xmm0[0],xmm4[0],xmm0[1],xmm4[1],xmm0[2],xmm4[2],xmm0[3],xmm4[3],xmm0[4],xmm4[4],xmm0[5],xmm4[5],xmm0[6],xmm4[6],xmm0[7],xmm4[7]
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX1-NEXT: vpsraw $2, %xmm0, %xmm3
-; AVX1-NEXT: vpaddw %xmm4, %xmm4, %xmm4
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX1-NEXT: vpsraw $1, %xmm0, %xmm3
-; AVX1-NEXT: vpaddw %xmm4, %xmm4, %xmm4
-; AVX1-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX1-NEXT: vpsrlw $8, %xmm0, %xmm0
-; AVX1-NEXT: vpackuswb %xmm2, %xmm0, %xmm0
-; AVX1-NEXT: vpsubb %xmm0, %xmm1, %xmm1
-; AVX1-NEXT: vmovdqa {{.*#+}} xmm2 = [0,0,255,0,0,0,255,0,0,255,255,255,255,255,255,255]
-; AVX1-NEXT: vpblendvb %xmm2, %xmm0, %xmm1, %xmm0
-; AVX1-NEXT: retq
-;
-; AVX2-LABEL: non_splat_minus_one_divisor_1:
-; AVX2: # %bb.0:
-; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX2-NEXT: vpcmpgtb %xmm0, %xmm1, %xmm2
-; AVX2-NEXT: vpsrlw $4, %xmm2, %xmm3
-; AVX2-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-NEXT: vmovdqa {{.*#+}} xmm4 = [256,224,256,224,57600,57568,57568,57568]
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpsrlw $2, %xmm2, %xmm3
-; AVX2-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-NEXT: vpaddb %xmm4, %xmm4, %xmm4
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpsrlw $1, %xmm2, %xmm3
-; AVX2-NEXT: vpand {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-NEXT: vpaddb %xmm4, %xmm4, %xmm4
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpaddb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT: vpunpckhbw {{.*#+}} xmm2 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
-; AVX2-NEXT: vpsraw $4, %xmm2, %xmm3
-; AVX2-NEXT: vmovdqa {{.*#+}} xmm4 = [0,32,0,32,8192,8224,8224,8224]
-; AVX2-NEXT: vpunpckhbw {{.*#+}} xmm5 = xmm0[8],xmm4[8],xmm0[9],xmm4[9],xmm0[10],xmm4[10],xmm0[11],xmm4[11],xmm0[12],xmm4[12],xmm0[13],xmm4[13],xmm0[14],xmm4[14],xmm0[15],xmm4[15]
-; AVX2-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpsraw $2, %xmm2, %xmm3
-; AVX2-NEXT: vpaddw %xmm5, %xmm5, %xmm5
-; AVX2-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpsraw $1, %xmm2, %xmm3
-; AVX2-NEXT: vpaddw %xmm5, %xmm5, %xmm5
-; AVX2-NEXT: vpblendvb %xmm5, %xmm3, %xmm2, %xmm2
-; AVX2-NEXT: vpsrlw $8, %xmm2, %xmm2
-; AVX2-NEXT: vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
-; AVX2-NEXT: vpsraw $4, %xmm0, %xmm3
-; AVX2-NEXT: vpunpcklbw {{.*#+}} xmm4 = xmm0[0],xmm4[0],xmm0[1],xmm4[1],xmm0[2],xmm4[2],xmm0[3],xmm4[3],xmm0[4],xmm4[4],xmm0[5],xmm4[5],xmm0[6],xmm4[6],xmm0[7],xmm4[7]
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX2-NEXT: vpsraw $2, %xmm0, %xmm3
-; AVX2-NEXT: vpaddw %xmm4, %xmm4, %xmm4
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX2-NEXT: vpsraw $1, %xmm0, %xmm3
-; AVX2-NEXT: vpaddw %xmm4, %xmm4, %xmm4
-; AVX2-NEXT: vpblendvb %xmm4, %xmm3, %xmm0, %xmm0
-; AVX2-NEXT: vpsrlw $8, %xmm0, %xmm0
-; AVX2-NEXT: vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-NEXT: vpsubb %xmm0, %xmm1, %xmm1
-; AVX2-NEXT: vmovdqa {{.*#+}} xmm2 = [0,0,255,0,0,0,255,0,0,255,255,255,255,255,255,255]
-; AVX2-NEXT: vpblendvb %xmm2, %xmm0, %xmm1, %xmm0
-; AVX2-NEXT: retq
-;
-; AVX512F-LABEL: non_splat_minus_one_divisor_1:
-; AVX512F: # %bb.0:
-; AVX512F-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX512F-NEXT: vpcmpgtb %xmm0, %xmm1, %xmm2
-; AVX512F-NEXT: vpmovzxbd {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero,xmm2[8],zero,zero,zero,xmm2[9],zero,zero,zero,xmm2[10],zero,zero,zero,xmm2[11],zero,zero,zero,xmm2[12],zero,zero,zero,xmm2[13],zero,zero,zero,xmm2[14],zero,zero,zero,xmm2[15],zero,zero,zero
-; AVX512F-NEXT: vpsrlvd {{.*}}(%rip), %zmm2, %zmm2
-; AVX512F-NEXT: vpmovdb %zmm2, %xmm2
-; AVX512F-NEXT: vpaddb %xmm2, %xmm0, %xmm0
-; AVX512F-NEXT: vpmovsxbd %xmm0, %zmm0
-; AVX512F-NEXT: vpsravd {{.*}}(%rip), %zmm0, %zmm0
-; AVX512F-NEXT: vpmovdb %zmm0, %xmm0
-; AVX512F-NEXT: vpsubb %xmm0, %xmm1, %xmm1
-; AVX512F-NEXT: vmovdqa {{.*#+}} xmm2 = [0,0,255,0,0,0,255,0,0,255,255,255,255,255,255,255]
-; AVX512F-NEXT: vpblendvb %xmm2, %xmm0, %xmm1, %xmm0
-; AVX512F-NEXT: vzeroupper
-; AVX512F-NEXT: retq
-;
-; AVX512BW-LABEL: non_splat_minus_one_divisor_1:
-; AVX512BW: # %bb.0:
-; AVX512BW-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; AVX512BW-NEXT: vpcmpgtb %xmm0, %xmm1, %xmm2
-; AVX512BW-NEXT: vpmovzxbw {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero,xmm2[8],zero,xmm2[9],zero,xmm2[10],zero,xmm2[11],zero,xmm2[12],zero,xmm2[13],zero,xmm2[14],zero,xmm2[15],zero
-; AVX512BW-NEXT: vpsrlvw {{.*}}(%rip), %ymm2, %ymm2
-; AVX512BW-NEXT: vpmovwb %ymm2, %xmm2
-; AVX512BW-NEXT: vpaddb %xmm2, %xmm0, %xmm0
-; AVX512BW-NEXT: vpmovsxbw %xmm0, %ymm0
-; AVX512BW-NEXT: vpsravw {{.*}}(%rip), %ymm0, %ymm0
-; AVX512BW-NEXT: vpmovwb %ymm0, %xmm0
-; AVX512BW-NEXT: movw $443, %ax # imm = 0x1BB
-; AVX512BW-NEXT: kmovd %eax, %k1
-; AVX512BW-NEXT: vpsubb %xmm0, %xmm1, %xmm0 {%k1}
-; AVX512BW-NEXT: vzeroupper
-; AVX512BW-NEXT: retq
-;
-; XOP-LABEL: non_splat_minus_one_divisor_1:
-; XOP: # %bb.0:
-; XOP-NEXT: vpxor %xmm1, %xmm1, %xmm1
-; XOP-NEXT: vpcmpgtb %xmm0, %xmm1, %xmm2
-; XOP-NEXT: vpsubb {{.*}}(%rip), %xmm1, %xmm3
-; XOP-NEXT: vpshlb %xmm3, %xmm2, %xmm2
-; XOP-NEXT: vpaddb %xmm2, %xmm0, %xmm0
-; XOP-NEXT: vpsubb {{.*}}(%rip), %xmm1, %xmm2
-; XOP-NEXT: vpshab %xmm2, %xmm0, %xmm0
-; XOP-NEXT: vpsubb %xmm0, %xmm1, %xmm1
-; XOP-NEXT: vmovdqa {{.*#+}} xmm2 = [0,0,255,0,0,0,255,0,0,255,255,255,255,255,255,255]
-; XOP-NEXT: vpblendvb %xmm2, %xmm0, %xmm1, %xmm0
-; XOP-NEXT: retq
+; AVX-LABEL: non_splat_minus_one_divisor_1:
+; AVX: # %bb.0:
+; AVX-NEXT: vpextrb $1, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpextrb $0, %xmm0, %ecx
+; AVX-NEXT: negb %cl
+; AVX-NEXT: movzbl %cl, %ecx
+; AVX-NEXT: vmovd %ecx, %xmm1
+; AVX-NEXT: vpinsrb $1, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $2, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $2, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $3, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpinsrb $3, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $4, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpinsrb $4, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $5, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpinsrb $5, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $6, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $6, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $7, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpinsrb $7, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $8, %xmm0, %eax
+; AVX-NEXT: negb %al
+; AVX-NEXT: movzbl %al, %eax
+; AVX-NEXT: vpinsrb $8, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $9, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $9, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $10, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $10, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $11, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $11, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $12, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $12, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $13, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $13, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $14, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $14, %eax, %xmm1, %xmm1
+; AVX-NEXT: vpextrb $15, %xmm0, %eax
+; AVX-NEXT: movl %eax, %ecx
+; AVX-NEXT: shrb $7, %cl
+; AVX-NEXT: addb %al, %cl
+; AVX-NEXT: sarb %cl
+; AVX-NEXT: movzbl %cl, %eax
+; AVX-NEXT: vpinsrb $15, %eax, %xmm1, %xmm0
+; AVX-NEXT: retq
%div = sdiv <16 x i8> %A, <i8 -1, i8 -1, i8 2, i8 -1, i8 -1, i8 -1, i8 2, i8 -1, i8 -1, i8 2, i8 2, i8 2, i8 2, i8 2, i8 2, i8 2>
ret <16 x i8> %div
}
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