From f73b99ab43c36b026a03430a30c329a343cdd77b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 11 Jan 2011 18:14:50 +0000
Subject: this pass claims to preserve scev, make sure to tell it about
 deletions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123247 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Utils/LoopSimplify.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/Transforms/Utils/LoopSimplify.cpp')

diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index 5ec0f1040e..efb4d3661b 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -268,6 +268,7 @@ ReprocessLoop:
        (PN = dyn_cast<PHINode>(I++)); )
     if (Value *V = SimplifyInstruction(PN, 0, DT)) {
       if (AA) AA->deleteValue(PN);
+      if (SE) SE->forgetValue(PN);
       PN->replaceAllUsesWith(V);
       PN->eraseFromParent();
     }
-- 
cgit v1.2.3-18-g5258