[llvm-commits] CVS: llvm/include/llvm/Analysis/AliasSetTracker.h
Chris Lattner
lattner at cs.uiuc.edu
Tue Sep 14 12:15:25 PDT 2004
Changes in directory llvm/include/llvm/Analysis:
AliasSetTracker.h updated: 1.19 -> 1.20
---
Log message:
Add an AliasSetTracker::copyValue method
---
Diffs of the changes: (+19 -9)
Index: llvm/include/llvm/Analysis/AliasSetTracker.h
diff -u llvm/include/llvm/Analysis/AliasSetTracker.h:1.19 llvm/include/llvm/Analysis/AliasSetTracker.h:1.20
--- llvm/include/llvm/Analysis/AliasSetTracker.h:1.19 Wed Sep 1 17:55:34 2004
+++ llvm/include/llvm/Analysis/AliasSetTracker.h Tue Sep 14 14:15:12 2004
@@ -221,7 +221,8 @@
void removeFromTracker(AliasSetTracker &AST);
- void addPointer(AliasSetTracker &AST, HashNodePair &Entry, unsigned Size);
+ void addPointer(AliasSetTracker &AST, HashNodePair &Entry, unsigned Size,
+ bool KnownMustAlias = false);
void addCallSite(CallSite CS, AliasAnalysis &AA);
void setVolatile() { Volatile = true; }
@@ -286,15 +287,8 @@
bool remove(Instruction *I);
void remove(AliasSet &AS);
-
- /// deleteValue method - This method is used to remove a pointer value from
- /// the AliasSetTracker entirely. It should be used when an instruction is
- /// deleted from the program to update the AST. If you don't use this, you
- /// would have dangling pointers to deleted instructions.
- ///
- void deleteValue(Value *PtrVal);
-
/// getAliasSets - Return the alias sets that are active.
+ ///
const ilist<AliasSet> &getAliasSets() const { return AliasSets; }
/// getAliasSetForPointer - Return the alias set that the specified pointer
@@ -313,6 +307,22 @@
/// this tracker.
AliasAnalysis &getAliasAnalysis() const { return AA; }
+ /// deleteValue method - This method is used to remove a pointer value from
+ /// the AliasSetTracker entirely. It should be used when an instruction is
+ /// deleted from the program to update the AST. If you don't use this, you
+ /// would have dangling pointers to deleted instructions.
+ ///
+ void deleteValue(Value *PtrVal);
+
+ /// copyValue - This method should be used whenever a preexisting value in the
+ /// program is copied or cloned, introducing a new value. Note that it is ok
+ /// for clients that use this method to introduce the same value multiple
+ /// times: if the tracker already knows about a value, it will ignore the
+ /// request.
+ ///
+ void copyValue(Value *From, Value *To);
+
+
typedef ilist<AliasSet>::iterator iterator;
typedef ilist<AliasSet>::const_iterator const_iterator;
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