From d41db8f9cb9bc85d60ea4ce4e2abcef010238a6a 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.

llvm-svn: 123247
---
 llvm/lib/Transforms/Utils/LoopSimplify.cpp | 1 +
 1 file changed, 1 insertion(+)

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

diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index 5ec0f1040e8..efb4d3661b1 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/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