From bbfb6aca92e71f58deb7307dec7748a7c754c598 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Sat, 5 Jun 2010 00:33:07 +0000
Subject: LSR needs to remember inserted instructions even in postinc mode,
 because there could be multiple subexpressions within a single expansion
 which require insert point adjustment. This fixes PR7306.

llvm-svn: 105510
---
 llvm/lib/Analysis/ScalarEvolutionExpander.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Analysis/ScalarEvolutionExpander.cpp')

diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
index 0012b84e1f0..4f49bf17fb4 100644
--- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1312,7 +1312,9 @@ Value *SCEVExpander::expand(const SCEV *S) {
 }
 
 void SCEVExpander::rememberInstruction(Value *I) {
-  if (PostIncLoops.empty())
+  if (!PostIncLoops.empty())
+    InsertedPostIncValues.insert(I);
+  else
     InsertedValues.insert(I);
 
   // If we just claimed an existing instruction and that instruction had
-- 
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