When inserting code, make sure not to insert it before PHI nodes. This
fixes PR612 and Transforms/LowerInvoke/2005-08-03-InvokeWithPHI.ll
llvm-svn: 22626
diff --git a/llvm/lib/Transforms/Scalar/LowerInvoke.cpp b/llvm/lib/Transforms/Scalar/LowerInvoke.cpp
index fe22b4b..96d5b98 100644
--- a/llvm/lib/Transforms/Scalar/LowerInvoke.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerInvoke.cpp
@@ -283,7 +283,9 @@
// Create the receiver block if there is a critical edge to the normal
// destination.
SplitCriticalEdge(II, 0, this);
- Instruction *InsertLoc = II->getNormalDest()->begin();
+ BasicBlock::iterator InsertLoc = II->getNormalDest()->begin();
+ while (isa<PHINode>(InsertLoc)) ++InsertLoc;
+
// Insert a normal call instruction on the normal execution path.
std::string Name = II->getName(); II->setName("");