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Make the SCEV* form of getSCEVAtScope public, to allow ScalarEvolution

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clients to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71258 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-05-08 20:38:54 +00:00
parent a9519579b7
commit 66a7e857aa
2 changed files with 16 additions and 18 deletions
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9
include/llvm/Analysis/ScalarEvolution.h
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@@ -345,11 +345,6 @@ namespace llvm {
Constant *getConstantEvolutionLoopExitValue(PHINode *PN, const APInt& BEs,
const Loop *L);
/// getSCEVAtScope - Compute the value of the specified expression within
/// the indicated loop (which may be null to indicate in no loop). If the
/// expression cannot be evaluated, return UnknownValue itself.
SCEVHandle getSCEVAtScope(const SCEV *S, const Loop *L);
/// forgetLoopPHIs - Delete the memoized SCEVs associated with the
/// PHI nodes in the given loop. This is used when the trip count of
/// the loop may have changed.
@@ -468,6 +463,10 @@ namespace llvm {
///
/// If this value is not computable at this scope, a SCEVCouldNotCompute
/// object is returned.
SCEVHandle getSCEVAtScope(const SCEV *S, const Loop *L);
/// getSCEVAtScope - This is a convenience function which does
/// getSCEVAtScope(getSCEV(V), L).
SCEVHandle getSCEVAtScope(Value *V, const Loop *L);
/// isLoopGuardedByCond - Test whether entry to the loop is protected by