[llvm] r316457 - [SelectionDAG] Add VSELECT support to ComputeNumSignBits

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Tue Oct 24 09:38:38 2017
New Revision: 316457

URL: http://llvm.org/viewvc/llvm-project?rev=316457&view=rev
Log:
[SelectionDAG] Add VSELECT support to ComputeNumSignBits

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    llvm/trunk/test/CodeGen/X86/avx512-cvt.ll

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=316457&r1=316456&r2=316457&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Tue Oct 24 09:38:38 2017
@@ -3109,6 +3109,7 @@ unsigned SelectionDAG::ComputeNumSignBit
     break;
 
   case ISD::SELECT:
+  case ISD::VSELECT:
     Tmp = ComputeNumSignBits(Op.getOperand(1), Depth+1);
     if (Tmp == 1) return 1;  // Early out.
     Tmp2 = ComputeNumSignBits(Op.getOperand(2), Depth+1);

Modified: llvm/trunk/test/CodeGen/X86/avx512-cvt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-cvt.ll?rev=316457&r1=316456&r2=316457&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cvt.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-cvt.ll Tue Oct 24 09:38:38 2017
@@ -1685,9 +1685,9 @@ define <2 x double> @sbto2f64(<2 x doubl
 ; VLNODQ-NEXT:    vpcmpeqd %xmm0, %xmm0, %xmm0
 ; VLNODQ-NEXT:    vmovdqa64 %xmm0, %xmm0 {%k1} {z}
 ; VLNODQ-NEXT:    vpextrq $1, %xmm0, %rax
-; VLNODQ-NEXT:    vcvtsi2sdq %rax, %xmm2, %xmm1
+; VLNODQ-NEXT:    vcvtsi2sdl %eax, %xmm2, %xmm1
 ; VLNODQ-NEXT:    vmovq %xmm0, %rax
-; VLNODQ-NEXT:    vcvtsi2sdq %rax, %xmm2, %xmm0
+; VLNODQ-NEXT:    vcvtsi2sdl %eax, %xmm2, %xmm0
 ; VLNODQ-NEXT:    vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
 ; VLNODQ-NEXT:    retq
   %cmpres = fcmp ogt <2 x double> %a, zeroinitializer