From 768069ee7a11756b9ba658a4395faa802fc71548 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Tue, 9 Mar 2010 01:08:11 +0000
Subject: [PATCH] Another place where debug info affected codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98026 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/ScalarEvolutionExpander.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index e27da966924..3c2cbfbe78e 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1286,6 +1286,8 @@ Value *SCEVExpander::expand(const SCEV *S) {
       // there) so that it is guaranteed to dominate any user inside the loop.
       if (L && S->hasComputableLoopEvolution(L) && L != PostIncLoop)
         InsertPt = L->getHeader()->getFirstNonPHI();
+      while (isa<DbgInfoIntrinsic>(InsertPt))
+        InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
       while (isInsertedInstruction(InsertPt))
         InsertPt = llvm::next(BasicBlock::iterator(InsertPt));
       break;