From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 7 Mar 2007 02:36:16 +0000 (+0000)
Subject: Add skipTo to set internal iterator. Useful when pointed to instruction is deleted.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f262b355593100c6e0fc629b03c76ab0b1e2d915;p=oota-llvm.git

Add skipTo to set internal iterator. Useful when pointed to instruction is deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34997 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h
index c99c3eaab40..7fe477998a7 100644
--- a/include/llvm/CodeGen/RegisterScavenging.h
+++ b/include/llvm/CodeGen/RegisterScavenging.h
@@ -79,6 +79,10 @@ public:
     while (MBBI != I) backward();
   }
 
+  /// skipTo - Move the internal MBB iterator but do not update register states.
+  ///
+  void skipTo(MachineBasicBlock::iterator I) { MBBI = I; }
+
   /// isReserved - Returns true if a register is reserved. It is never "unused".
   bool isReserved(unsigned Reg) const { return ReservedRegs[Reg]; }