From: Chris Lattner <sabre@nondot.org>
Date: Tue, 9 Aug 2005 23:36:18 +0000 (+0000)
Subject: add two helper methods
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=27631a30eb1c5cb1c5190531b10a147f058d6ff1;p=oota-llvm.git

add two helper methods


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22735 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Analysis/ScalarEvolution.h b/include/llvm/Analysis/ScalarEvolution.h
index ba1b5eff88b..74d31622544 100644
--- a/include/llvm/Analysis/ScalarEvolution.h
+++ b/include/llvm/Analysis/ScalarEvolution.h
@@ -195,6 +195,14 @@ namespace llvm {
     /// specified expression.
     SCEVHandle getSCEV(Value *V) const;
 
+    /// hasSCEV - Return true if the SCEV for this value has already been
+    /// computed.
+    bool hasSCEV(Value *V) const;
+
+    /// setSCEV - Insert the specified SCEV into the map of current SCEVs for
+    /// the specified value.
+    void setSCEV(Value *V, const SCEVHandle &H);
+
     /// getSCEVAtScope - Return a SCEV expression handle for the specified value
     /// at the specified scope in the program.  The L value specifies a loop
     /// nest to evaluate the expression at, where null is the top-level or a