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[X86] Add PR49658 test case
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Simon Pilgrim
parent
a2fff44e8e
commit
ee17e81726
@ -287,3 +287,126 @@ entry:
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ret i32 %call
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}
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declare dso_local i32 @foo(i32, i32, i32, i32)
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define <8 x i32> @PR49658(i32* %ptr, i32 %mul) {
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; SSE-LABEL: PR49658:
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; SSE: # %bb.0: # %start
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; SSE-NEXT: movl %esi, %eax
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; SSE-NEXT: movq %rax, %xmm0
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; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm0[0,1,0,1]
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; SSE-NEXT: pxor %xmm0, %xmm0
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; SSE-NEXT: movq $-2097152, %rax # imm = 0xFFE00000
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; SSE-NEXT: pxor %xmm1, %xmm1
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; SSE-NEXT: .p2align 4, 0x90
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; SSE-NEXT: .LBB7_1: # %loop
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; SSE-NEXT: # =>This Inner Loop Header: Depth=1
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; SSE-NEXT: pmovzxdq {{.*#+}} xmm3 = mem[0],zero,mem[1],zero
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; SSE-NEXT: pmovzxdq {{.*#+}} xmm4 = mem[0],zero,mem[1],zero
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; SSE-NEXT: pmovzxdq {{.*#+}} xmm5 = mem[0],zero,mem[1],zero
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; SSE-NEXT: pmovzxdq {{.*#+}} xmm6 = mem[0],zero,mem[1],zero
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; SSE-NEXT: pmuludq %xmm2, %xmm6
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; SSE-NEXT: pmuludq %xmm2, %xmm5
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; SSE-NEXT: shufps {{.*#+}} xmm5 = xmm5[1,3],xmm6[1,3]
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; SSE-NEXT: paddd %xmm5, %xmm0
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; SSE-NEXT: pmuludq %xmm2, %xmm4
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; SSE-NEXT: pmuludq %xmm2, %xmm3
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; SSE-NEXT: shufps {{.*#+}} xmm4 = xmm4[1,3],xmm3[1,3]
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; SSE-NEXT: paddd %xmm4, %xmm1
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; SSE-NEXT: subq $-128, %rax
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; SSE-NEXT: jne .LBB7_1
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; SSE-NEXT: # %bb.2: # %end
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; SSE-NEXT: retq
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;
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; AVX2-LABEL: PR49658:
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; AVX2: # %bb.0: # %start
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; AVX2-NEXT: movl %esi, %eax
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; AVX2-NEXT: vmovq %rax, %xmm0
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; AVX2-NEXT: vpbroadcastq %xmm0, %ymm1
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; AVX2-NEXT: vpxor %xmm0, %xmm0, %xmm0
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; AVX2-NEXT: movq $-2097152, %rax # imm = 0xFFE00000
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; AVX2-NEXT: vpsrlq $32, %ymm1, %ymm2
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; AVX2-NEXT: .p2align 4, 0x90
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; AVX2-NEXT: .LBB7_1: # %loop
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; AVX2-NEXT: # =>This Inner Loop Header: Depth=1
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; AVX2-NEXT: vpmovzxdq {{.*#+}} ymm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero
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; AVX2-NEXT: vpmovzxdq {{.*#+}} ymm4 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero
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; AVX2-NEXT: vpmuludq %ymm4, %ymm1, %ymm5
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; AVX2-NEXT: vpmuludq %ymm4, %ymm2, %ymm4
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; AVX2-NEXT: vpsllq $32, %ymm4, %ymm4
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; AVX2-NEXT: vpaddq %ymm4, %ymm5, %ymm4
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; AVX2-NEXT: vpmuludq %ymm3, %ymm1, %ymm5
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; AVX2-NEXT: vpmuludq %ymm3, %ymm2, %ymm3
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; AVX2-NEXT: vpsllq $32, %ymm3, %ymm3
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; AVX2-NEXT: vpaddq %ymm3, %ymm5, %ymm3
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; AVX2-NEXT: vperm2i128 {{.*#+}} ymm5 = ymm4[2,3],ymm3[2,3]
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; AVX2-NEXT: vinserti128 $1, %xmm3, %ymm4, %ymm3
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; AVX2-NEXT: vshufps {{.*#+}} ymm3 = ymm3[1,3],ymm5[1,3],ymm3[5,7],ymm5[5,7]
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; AVX2-NEXT: vpaddd %ymm0, %ymm3, %ymm0
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; AVX2-NEXT: subq $-128, %rax
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; AVX2-NEXT: jne .LBB7_1
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; AVX2-NEXT: # %bb.2: # %end
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; AVX2-NEXT: retq
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;
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; AVX512VL-LABEL: PR49658:
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; AVX512VL: # %bb.0: # %start
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; AVX512VL-NEXT: movl %esi, %eax
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; AVX512VL-NEXT: vpbroadcastq %rax, %zmm1
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; AVX512VL-NEXT: vpxor %xmm0, %xmm0, %xmm0
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; AVX512VL-NEXT: movq $-2097152, %rax # imm = 0xFFE00000
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; AVX512VL-NEXT: vpsrlq $32, %zmm1, %zmm2
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; AVX512VL-NEXT: .p2align 4, 0x90
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; AVX512VL-NEXT: .LBB7_1: # %loop
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; AVX512VL-NEXT: # =>This Inner Loop Header: Depth=1
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; AVX512VL-NEXT: vpmovzxdq {{.*#+}} zmm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
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; AVX512VL-NEXT: vpmuludq %zmm3, %zmm1, %zmm4
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; AVX512VL-NEXT: vpmuludq %zmm3, %zmm2, %zmm3
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; AVX512VL-NEXT: vpsllq $32, %zmm3, %zmm3
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; AVX512VL-NEXT: vpaddq %zmm3, %zmm4, %zmm3
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; AVX512VL-NEXT: vpsrlq $32, %zmm3, %zmm3
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; AVX512VL-NEXT: vpmovqd %zmm3, %ymm3
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; AVX512VL-NEXT: vpaddd %ymm0, %ymm3, %ymm0
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; AVX512VL-NEXT: subq $-128, %rax
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; AVX512VL-NEXT: jne .LBB7_1
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; AVX512VL-NEXT: # %bb.2: # %end
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; AVX512VL-NEXT: retq
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;
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; AVX512DQVL-LABEL: PR49658:
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; AVX512DQVL: # %bb.0: # %start
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; AVX512DQVL-NEXT: movl %esi, %eax
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; AVX512DQVL-NEXT: vpbroadcastq %rax, %zmm1
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; AVX512DQVL-NEXT: vpxor %xmm0, %xmm0, %xmm0
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; AVX512DQVL-NEXT: movq $-2097152, %rax # imm = 0xFFE00000
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; AVX512DQVL-NEXT: .p2align 4, 0x90
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; AVX512DQVL-NEXT: .LBB7_1: # %loop
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; AVX512DQVL-NEXT: # =>This Inner Loop Header: Depth=1
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; AVX512DQVL-NEXT: vpmovzxdq {{.*#+}} zmm2 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
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; AVX512DQVL-NEXT: vpmullq %zmm2, %zmm1, %zmm2
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; AVX512DQVL-NEXT: vpsrlq $32, %zmm2, %zmm2
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; AVX512DQVL-NEXT: vpmovqd %zmm2, %ymm2
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; AVX512DQVL-NEXT: vpaddd %ymm0, %ymm2, %ymm0
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; AVX512DQVL-NEXT: subq $-128, %rax
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; AVX512DQVL-NEXT: jne .LBB7_1
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; AVX512DQVL-NEXT: # %bb.2: # %end
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; AVX512DQVL-NEXT: retq
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start:
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%t1 = zext i32 %mul to i64
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%t2 = insertelement <8 x i64> undef, i64 %t1, i32 0
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%mulvec = shufflevector <8 x i64> %t2, <8 x i64> undef, <8 x i32> zeroinitializer
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br label %loop
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loop:
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%loopcnt = phi i64 [ 0, %start ], [ %nextcnt, %loop ]
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%sum = phi <8 x i32> [ zeroinitializer, %start ], [ %nextsum, %loop ]
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%ptroff = getelementptr inbounds i32, i32* %ptr, i64 %loopcnt
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%vptroff = bitcast i32* %ptroff to <8 x i32>*
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%v = load <8 x i32>, <8 x i32>* %vptroff, align 4
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%v64 = zext <8 x i32> %v to <8 x i64>
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%vmul = mul nuw <8 x i64> %mulvec, %v64
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%vmulhi = lshr <8 x i64> %vmul, <i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32, i64 32>
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%vtrunc = trunc <8 x i64> %vmulhi to <8 x i32>
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%nextsum = add <8 x i32> %vtrunc, %sum
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%nextcnt = add i64 %loopcnt, 32
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%isdone = icmp eq i64 %nextcnt, 524288
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br i1 %isdone, label %end, label %loop
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end:
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ret <8 x i32> %nextsum
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}
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