From 20b0754c414546b9a06a74d409160ebc4a473aab Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 4 Oct 2005 00:44:01 +0000
Subject: Fix DemoteRegToStack on an invoke.  This fixes PR634.

llvm-svn: 23618
---
 llvm/lib/Transforms/Utils/DemoteRegToStack.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/Utils/DemoteRegToStack.cpp')

diff --git a/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp b/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
index bbf998d..3eadfa7 100644
--- a/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
+++ b/llvm/lib/Transforms/Utils/DemoteRegToStack.cpp
@@ -77,6 +77,7 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads) {
   BasicBlock::iterator InsertPt;
   if (!isa<TerminatorInst>(I)) {
     InsertPt = &I;
+    ++InsertPt;
   } else {
     // We cannot demote invoke instructions to the stack if their normal edge
     // is critical.
@@ -86,7 +87,7 @@ AllocaInst* llvm::DemoteRegToStack(Instruction &I, bool VolatileLoads) {
     InsertPt = II.getNormalDest()->begin();
   }
 
-  for (++InsertPt; isa<PHINode>(InsertPt); ++InsertPt)
+  for (; isa<PHINode>(InsertPt); ++InsertPt)
   /* empty */;   // Don't insert before any PHI nodes.
   new StoreInst(&I, Slot, InsertPt);
 
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