[SelectionDAG] Add VSELECT support to ComputeNumSignBits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316457 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index b6e3efe..0825926 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3109,6 +3109,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts,
     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);

diff --git a/test/CodeGen/X86/avx512-cvt.ll b/test/CodeGen/X86/avx512-cvt.ll
index 6934a3b..fa84a64 100644 (file)
--- a/test/CodeGen/X86/avx512-cvt.ll
+++ b/test/CodeGen/X86/avx512-cvt.ll
@@ -1685,9 +1685,9 @@ define <2 x double> @sbto2f64(<2 x double> %a) {
 ; 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