Fix a bug where we would incorrectly do a sign ext instead of a zero ext
because we were checking the wrong thing. Thanks to andrew for pointing
this out!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20554 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index fb52d11..d4804d9 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -961,7 +961,7 @@
// Extending a constant? Just return the constant.
if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val)) {
SDOperand Tmp = getNode(ISD::TRUNCATE, EVT, N1);
- if (N1.getOpcode() == ISD::ZERO_EXTEND_INREG)
+ if (Opcode == ISD::ZERO_EXTEND_INREG)
return getNode(ISD::ZERO_EXTEND, VT, Tmp);
else
return getNode(ISD::SIGN_EXTEND, VT, Tmp);