From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 23 Sep 2010 19:42:03 +0000 (+0000)
Subject: Fix r114632. Return if the only terminator is an unconditional branch after the redun... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=676e258366dd17a0b4ee6ac66914237ce181202e;p=oota-llvm.git

Fix r114632. Return if the only terminator is an unconditional branch after the redundant ones are deleted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114688 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 7786de2c265..a0f0c390609 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -284,9 +284,11 @@ ARMBaseInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
       LastInst->eraseFromParent();
       LastInst = SecondLastInst;
       LastOpc = LastInst->getOpcode();
-      if (I == MBB.begin() || !isUnpredicatedTerminator(--I))
-        break;
-      else {
+      if (I == MBB.begin() || !isUnpredicatedTerminator(--I)) {
+        // Return now the only terminator is an unconditional branch.
+        TBB = LastInst->getOperand(0).getMBB();
+        return false;
+      } else {
         SecondLastInst = I;
         SecondLastOpc = SecondLastInst->getOpcode();
       }