From c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sat, 26 Feb 2011 22:03:50 +0000
Subject: Vendor import of llvm trunk r126547:
 http://llvm.org/svn/llvm-project/llvm/trunk@126547

---
 lib/Transforms/Utils/SimplifyCFG.cpp | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index fb660db..c670885 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -247,6 +247,11 @@ static bool DominatesMergePoint(Value *V, BasicBlock *BB,
     if (PBB->getFirstNonPHIOrDbg() != I)
       return false;
     break;
+  case Instruction::GetElementPtr:
+    // GEPs are cheap if all indices are constant.
+    if (!cast<GetElementPtrInst>(I)->hasAllConstantIndices())
+      return false;
+    break;
   case Instruction::Add:
   case Instruction::Sub:
   case Instruction::And:
-- 
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