diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/known-bits-vector.ll | 12 |
2 files changed, 6 insertions, 12 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 35e5f7a526a..c6522101f66 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2639,8 +2639,10 @@ void SelectionDAG::computeKnownBits(SDValue Op, APInt &KnownZero, case ISD::UMAX: { APInt Op0Zero, Op0One; APInt Op1Zero, Op1One; - computeKnownBits(Op.getOperand(0), Op0Zero, Op0One, Depth+1); - computeKnownBits(Op.getOperand(1), Op1Zero, Op1One, Depth+1); + computeKnownBits(Op.getOperand(0), Op0Zero, Op0One, DemandedElts, + Depth + 1); + computeKnownBits(Op.getOperand(1), Op1Zero, Op1One, DemandedElts, + Depth + 1); KnownZero = Op0Zero & Op1Zero; KnownOne = Op0One & Op1One; diff --git a/llvm/test/CodeGen/X86/known-bits-vector.ll b/llvm/test/CodeGen/X86/known-bits-vector.ll index 6b9c4347397..717c7c63c38 100644 --- a/llvm/test/CodeGen/X86/known-bits-vector.ll +++ b/llvm/test/CodeGen/X86/known-bits-vector.ll @@ -523,11 +523,7 @@ define <4 x float> @knownbits_mask_umax_shuffle_uitofp(<4 x i32> %a0) { ; X32-NEXT: vpand {{\.LCPI.*}}, %xmm0, %xmm0 ; X32-NEXT: vpmaxud {{\.LCPI.*}}, %xmm0, %xmm0 ; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3] -; X32-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7] -; X32-NEXT: vpsrld $16, %xmm0, %xmm0 -; X32-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7] -; X32-NEXT: vaddps {{\.LCPI.*}}, %xmm0, %xmm0 -; X32-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; X32-NEXT: vcvtdq2ps %xmm0, %xmm0 ; X32-NEXT: retl ; ; X64-LABEL: knownbits_mask_umax_shuffle_uitofp: @@ -535,11 +531,7 @@ define <4 x float> @knownbits_mask_umax_shuffle_uitofp(<4 x i32> %a0) { ; X64-NEXT: vpand {{.*}}(%rip), %xmm0, %xmm0 ; X64-NEXT: vpmaxud {{.*}}(%rip), %xmm0, %xmm0 ; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3] -; X64-NEXT: vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7] -; X64-NEXT: vpsrld $16, %xmm0, %xmm0 -; X64-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7] -; X64-NEXT: vaddps {{.*}}(%rip), %xmm0, %xmm0 -; X64-NEXT: vaddps %xmm0, %xmm1, %xmm0 +; X64-NEXT: vcvtdq2ps %xmm0, %xmm0 ; X64-NEXT: retq %1 = and <4 x i32> %a0, <i32 65535, i32 -1, i32 -1, i32 262143> %2 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %1, <4 x i32> <i32 255, i32 -1, i32 -1, i32 1023>) |
