Index: lib/CodeGen/SelectionDAG/DAGCombiner.cpp =================================================================== --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3705,7 +3705,7 @@ // fold (and (sign_extend_inreg x, i16 to i32), 1) -> (and x, 1) // fold (and (sra)) -> (and (srl)) when possible. - if (!VT.isVector() && SimplifyDemandedBits(SDValue(N, 0))) + if (SimplifyDemandedBits(SDValue(N, 0))) return SDValue(N, 0); // fold (zext_inreg (extload x)) -> (zextload x) Index: lib/CodeGen/SelectionDAG/TargetLowering.cpp =================================================================== --- lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -574,7 +574,7 @@ // using the bits from the RHS. Below, we use knowledge about the RHS to // simplify the LHS, here we're using information from the LHS to simplify // the RHS. - if (ConstantSDNode *RHSC = dyn_cast(Op.getOperand(1))) { + if (ConstantSDNode *RHSC = isConstOrConstSplat(Op.getOperand(1))) { SDValue Op0 = Op.getOperand(0); APInt LHSZero, LHSOne; // Do not increment Depth here; that can cause an infinite loop. Index: test/CodeGen/X86/avx512-ext.ll =================================================================== --- test/CodeGen/X86/avx512-ext.ll +++ test/CodeGen/X86/avx512-ext.ll @@ -542,7 +542,7 @@ ; KNL: ## BB#0: ; KNL-NEXT: vpslld $31, %xmm0, %xmm0 ; KNL-NEXT: vpsrad $31, %xmm0, %xmm0 -; KNL-NEXT: vpmovsxdq %xmm0, %ymm0 +; KNL-NEXT: vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; KNL-NEXT: vpmovzxbq {{.*#+}} ymm1 = mem[0],zero,zero,zero,zero,zero,zero,zero,mem[1],zero,zero,zero,zero,zero,zero,zero,mem[2],zero,zero,zero,zero,zero,zero,zero,mem[3],zero,zero,zero,zero,zero,zero,zero ; KNL-NEXT: vpand %ymm1, %ymm0, %ymm0 ; KNL-NEXT: retq @@ -923,7 +923,7 @@ ; KNL: ## BB#0: ; KNL-NEXT: vpslld $31, %xmm0, %xmm0 ; KNL-NEXT: vpsrad $31, %xmm0, %xmm0 -; KNL-NEXT: vpmovsxdq %xmm0, %ymm0 +; KNL-NEXT: vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; KNL-NEXT: vpmovzxwq {{.*#+}} ymm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero ; KNL-NEXT: vpand %ymm1, %ymm0, %ymm0 ; KNL-NEXT: retq @@ -1110,7 +1110,7 @@ ; KNL: ## BB#0: ; KNL-NEXT: vpslld $31, %xmm0, %xmm0 ; KNL-NEXT: vpsrad $31, %xmm0, %xmm0 -; KNL-NEXT: vpmovsxdq %xmm0, %ymm0 +; KNL-NEXT: vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; KNL-NEXT: vpmovzxdq {{.*#+}} ymm1 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero ; KNL-NEXT: vpand %ymm1, %ymm0, %ymm0 ; KNL-NEXT: retq @@ -1173,7 +1173,7 @@ ; KNL: ## BB#0: ; KNL-NEXT: vpslld $31, %xmm1, %xmm1 ; KNL-NEXT: vpsrad $31, %xmm1, %xmm1 -; KNL-NEXT: vpmovsxdq %xmm1, %ymm1 +; KNL-NEXT: vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero ; KNL-NEXT: vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; KNL-NEXT: vpand %ymm0, %ymm1, %ymm0 ; KNL-NEXT: retq Index: test/CodeGen/X86/vector-rotate-128.ll =================================================================== --- test/CodeGen/X86/vector-rotate-128.ll +++ test/CodeGen/X86/vector-rotate-128.ll @@ -1534,31 +1534,20 @@ define <2 x i64> @splatconstant_rotate_mask_v2i64(<2 x i64> %a) nounwind { ; SSE-LABEL: splatconstant_rotate_mask_v2i64: ; SSE: # BB#0: -; SSE-NEXT: movdqa %xmm0, %xmm1 -; SSE-NEXT: psllq $15, %xmm1 ; SSE-NEXT: psrlq $49, %xmm0 ; SSE-NEXT: pand {{.*}}(%rip), %xmm0 -; SSE-NEXT: pand {{.*}}(%rip), %xmm1 -; SSE-NEXT: por %xmm0, %xmm1 -; SSE-NEXT: movdqa %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: splatconstant_rotate_mask_v2i64: ; AVX: # BB#0: -; AVX-NEXT: vpsllq $15, %xmm0, %xmm1 ; AVX-NEXT: vpsrlq $49, %xmm0, %xmm0 ; AVX-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0 -; AVX-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1 -; AVX-NEXT: vpor %xmm0, %xmm1, %xmm0 ; AVX-NEXT: retq ; ; AVX512-LABEL: splatconstant_rotate_mask_v2i64: ; AVX512: # BB#0: -; AVX512-NEXT: vpsllq $15, %xmm0, %xmm1 ; AVX512-NEXT: vpsrlq $49, %xmm0, %xmm0 ; AVX512-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0 -; AVX512-NEXT: vpand {{.*}}(%rip), %xmm1, %xmm1 -; AVX512-NEXT: vpor %xmm0, %xmm1, %xmm0 ; AVX512-NEXT: retq ; ; XOP-LABEL: splatconstant_rotate_mask_v2i64: Index: test/CodeGen/X86/vector-rotate-256.ll =================================================================== --- test/CodeGen/X86/vector-rotate-256.ll +++ test/CodeGen/X86/vector-rotate-256.ll @@ -1014,34 +1014,23 @@ define <4 x i64> @splatconstant_rotate_mask_v4i64(<4 x i64> %a) nounwind { ; AVX1-LABEL: splatconstant_rotate_mask_v4i64: ; AVX1: # BB#0: -; AVX1-NEXT: vpsllq $15, %xmm0, %xmm1 -; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm2 -; AVX1-NEXT: vpsllq $15, %xmm2, %xmm3 -; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm1, %ymm1 +; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1 ; AVX1-NEXT: vpsrlq $49, %xmm0, %xmm0 -; AVX1-NEXT: vpsrlq $49, %xmm2, %xmm2 -; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0 +; AVX1-NEXT: vpsrlq $49, %xmm1, %xmm1 +; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 ; AVX1-NEXT: vandps {{.*}}(%rip), %ymm0, %ymm0 -; AVX1-NEXT: vandps {{.*}}(%rip), %ymm1, %ymm1 -; AVX1-NEXT: vorps %ymm0, %ymm1, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: splatconstant_rotate_mask_v4i64: ; AVX2: # BB#0: -; AVX2-NEXT: vpsllq $15, %ymm0, %ymm1 ; AVX2-NEXT: vpsrlq $49, %ymm0, %ymm0 ; AVX2-NEXT: vpand {{.*}}(%rip), %ymm0, %ymm0 -; AVX2-NEXT: vpand {{.*}}(%rip), %ymm1, %ymm1 -; AVX2-NEXT: vpor %ymm0, %ymm1, %ymm0 ; AVX2-NEXT: retq ; ; AVX512-LABEL: splatconstant_rotate_mask_v4i64: ; AVX512: # BB#0: -; AVX512-NEXT: vpsllq $15, %ymm0, %ymm1 ; AVX512-NEXT: vpsrlq $49, %ymm0, %ymm0 ; AVX512-NEXT: vpand {{.*}}(%rip), %ymm0, %ymm0 -; AVX512-NEXT: vpand {{.*}}(%rip), %ymm1, %ymm1 -; AVX512-NEXT: vpor %ymm0, %ymm1, %ymm0 ; AVX512-NEXT: retq ; ; XOPAVX1-LABEL: splatconstant_rotate_mask_v4i64: