From 4f6b802044c6bd1944109012d1d40ae5918580d0 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 15 Dec 2010 20:39:25 +0000
Subject: [PATCH] Revert r121886. DecomposeGEPExpression needs to be kept in
 sync.

llvm-svn: 121892
---
 lib/Analysis/ValueTracking.cpp | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 75062953cba..ae253abc5d4 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -1441,14 +1441,6 @@ Value *llvm::GetUnderlyingObject(Value *V, unsigned MaxLookup) {
         return V;
       V = GA->getAliasee();
     } else {
-      // See if InstructionSimplify knows any relevant tricks.
-      if (Instruction *I = dyn_cast<Instruction>(V))
-        // TODO: Aquire TargetData and DominatorTree and use them.
-        if (Value *Simplified = SimplifyInstruction(I, 0, 0)) {
-          V = Simplified;
-          continue;
-        }
-
       return V;
     }
     assert(V->getType()->isPointerTy() && "Unexpected operand type!");