From: Owen Anderson <resistor@mac.com>
Date: Sun, 28 Dec 2008 21:57:02 +0000 (+0000)
Subject: Forgot to commit this file.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=169d4080277c71548de52b54c8a79f99694351c6;p=oota-llvm.git

Forgot to commit this file.

Add a clear() method to remove all ranges and value numbers for a live interval.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61459 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 880d541e50b..86aada3b80a 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -145,6 +145,16 @@ namespace llvm {
       while (I->end <= Pos) ++I;
       return I;
     }
+    
+    void clear() {
+      while (!valnos.empty()) {
+        VNInfo *VNI = valnos.back();
+        valnos.pop_back();
+        VNI->~VNInfo();
+      }
+      
+      ranges.clear();
+    }
 
     /// isStackSlot - Return true if this is a stack slot interval.
     ///