Also avoid pinsrw and pinsrb with a variable insertelement index.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54803 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6b95034..6488a1a 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4143,7 +4143,8 @@
SDValue N1 = Op.getOperand(1);
SDValue N2 = Op.getOperand(2);
- if ((EVT.getSizeInBits() == 8) || (EVT.getSizeInBits() == 16)) {
+ if ((EVT.getSizeInBits() == 8 || EVT.getSizeInBits() == 16) &&
+ isa<ConstantSDNode>(N2)) {
unsigned Opc = (EVT.getSizeInBits() == 8) ? X86ISD::PINSRB
: X86ISD::PINSRW;
// Transform it so it match pinsr{b,w} which expects a GR32 as its second