From: Evan Cheng <evan.cheng@apple.com>
Date: Sat, 17 Feb 2007 11:10:48 +0000 (+0000)
Subject: Added removeLiveIn.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=795d9509d5e11dcbbb355260d993b4a15c2be073;p=oota-llvm.git

Added removeLiveIn.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34381 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index d67159d61e7..bef2502089e 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -118,7 +118,7 @@ void MachineBasicBlock::print(std::ostream &OS) const {
   const MRegisterInfo *MRI = MF->getTarget().getRegisterInfo();  
   if (livein_begin() != livein_end()) {
     OS << "Live Ins:";
-    for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I)
+    for (const_livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
       OutputReg(OS, *I, MRI);
     OS << "\n";
   }
@@ -144,6 +144,12 @@ void MachineBasicBlock::print(std::ostream &OS) const {
   }
 }
 
+void MachineBasicBlock::removeLiveIn(unsigned Reg) {
+  livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
+  assert(I != livein_end() && "Not a live in!");
+  LiveIns.erase(I);
+}
+
 void MachineBasicBlock::moveBefore(MachineBasicBlock *NewAfter) {
   MachineFunction::BasicBlockListType &BBList =getParent()->getBasicBlockList();
   getParent()->getBasicBlockList().splice(NewAfter, BBList, this);