From 45ee6d6dc54904f50e242cf9e32bee92f15a8f46 Mon Sep 17 00:00:00 2001
From: Dan Gohman <djg@cray.com>
Date: Thu, 26 Jul 2007 16:14:06 +0000
Subject: Fix the alias analysis query in DAGCombiner to not add in two
 offsets. The SrcValueOffset values are the real offsets from the SrcValue
 base pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40534 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 22c6e6b..b38b479 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4599,8 +4599,8 @@ bool DAGCombiner::isAlias(SDOperand Ptr1, int64_t Size1,
 
   if (CombinerGlobalAA) {
     // Use alias analysis information.
-    int Overlap1 = Size1 + SrcValueOffset1 + Offset1;
-    int Overlap2 = Size2 + SrcValueOffset2 + Offset2;
+    int Overlap1 = Size1 + SrcValueOffset1;
+    int Overlap2 = Size2 + SrcValueOffset2;
     AliasAnalysis::AliasResult AAResult = 
                              AA.alias(SrcValue1, Overlap1, SrcValue2, Overlap2);
     if (AAResult == AliasAnalysis::NoAlias)
-- 
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