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ImmutablePass's don't need a runOnFunction, nor do they need to explicitly say

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that they preserve all xforms


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-25 22:27:54 +00:00
parent c3a388143b
commit 9be827a875
1 changed files with 1 additions and 11 deletions
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12
include/llvm/Analysis/BasicAliasAnalysis.h
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@ -13,17 +13,7 @@
#include "llvm/Pass.h"
struct BasicAliasAnalysis : public ImmutablePass, public AliasAnalysis {
// Pass Implementation stuff. This isn't much of a pass.
//
bool runOnFunction(Function &) { return false; }
// getAnalysisUsage - Does not modify anything.
//
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
// alias - This is the only method here that does anything interesting...
//
Result alias(const Value *V1, const Value *V2) const;