From 887fc1bdebcf9be6b26721ad95978f701fbe577d Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 9 Jun 2011 20:55:41 +0000
Subject: A PHI in this basic block is a use in another basic block.

llvm-svn: 132805
---
 llvm/lib/CodeGen/TailDuplication.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/TailDuplication.cpp')

diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index e6eb2e755bf..5fe3cb09ff3 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -239,7 +239,7 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) {
             MachineOperand &UseMO = UI.getOperand();
             MachineInstr *UseMI = &*UI;
             ++UI;
-            if (UseMI->getParent() == DefBB)
+            if (UseMI->getParent() == DefBB && !UseMI->isPHI())
               continue;
             SSAUpdate.RewriteUse(UseMO);
           }
-- 
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