From c5e43c958e4a599aef0162cd71f864712b740ab5 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 13 Apr 2010 16:53:51 +0000
Subject: [PATCH] Use MachineBasicBlock::isLiveIn.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101144 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/Thumb2SizeReduction.cpp | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp
index 2bc75f28d50..8fe2e42a7cd 100644
--- a/lib/Target/ARM/Thumb2SizeReduction.cpp
+++ b/lib/Target/ARM/Thumb2SizeReduction.cpp
@@ -656,15 +656,8 @@ static bool UpdateCPSRUse(MachineInstr &MI, bool LiveCPSR) {
 bool Thumb2SizeReduce::ReduceMBB(MachineBasicBlock &MBB) {
   bool Modified = false;
 
-  bool LiveCPSR = false;
   // Yes, CPSR could be livein.
-  for (MachineBasicBlock::const_livein_iterator I = MBB.livein_begin(),
-         E = MBB.livein_end(); I != E; ++I) {
-    if (*I == ARM::CPSR) {
-      LiveCPSR = true;
-      break;
-    }
-  }
+  bool LiveCPSR = MBB.isLiveIn(ARM::CPSR);
 
   MachineBasicBlock::iterator MII = MBB.begin(), E = MBB.end();
   MachineBasicBlock::iterator NextMII;