From: Chris Lattner <sabre@nondot.org>
Date: Sat, 2 Sep 2006 05:26:01 +0000 (+0000)
Subject: new method
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6bda49fd9fbc356eb5cf8a8547bd03acb4fa7036;p=oota-llvm.git

new method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30048 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 4420e059ea9..030b3cfea04 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -168,6 +168,13 @@ namespace llvm {
     /// below to update aliases.
     bool JoinIntervals(LiveInterval &LHS, LiveInterval &RHS);
     
+    /// SimpleJoin - Attempt to joint the specified interval into this one. The
+    /// caller of this method must guarantee that the RHS only contains a single
+    /// value number and that the RHS is not defined by a copy from this
+    /// interval.  This returns false if the intervals are not joinable, or it
+    /// joins them and returns true.
+    bool SimpleJoin(LiveInterval &LHS, LiveInterval &RHS);
+    
     /// handleRegisterDef - update intervals for a register def
     /// (calls handlePhysicalRegisterDef and
     /// handleVirtualRegisterDef)