Avoid crashing on a variable-index insertelement with element type i16.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72991 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index ec6a5ba..ef60ff5 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4272,7 +4272,7 @@
SDValue N1 = Op.getOperand(1);
SDValue N2 = Op.getOperand(2);
- if (EVT.getSizeInBits() == 16) {
+ if (EVT.getSizeInBits() == 16 && isa<ConstantSDNode>(N2)) {
// Transform it so it match pinsrw which expects a 16-bit value in a GR32
// as its second argument.
if (N1.getValueType() != MVT::i32)