From c2e9a50dfb523964bd9d7598ee27b37669f9a5b8 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 9 Jun 2011 20:55:41 +0000
Subject: [PATCH] A PHI in this basic block is a use in another basic block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132805 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/TailDuplication.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp
index e6eb2e755bf..5fe3cb09ff3 100644
--- a/lib/CodeGen/TailDuplication.cpp
+++ b/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);
           }
-- 
2.11.0