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The PreVerifier pass preserves everything. In practice, this

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prevents the passmgr from adding yet-another domtree invocation
for Verifier if there is already one live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60326 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-12-01 03:58:38 +00:00
parent 38b3dcc465
commit 11240d0fdd
1 changed files with 4 additions and 0 deletions
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4
lib/VMCore/Verifier.cpp
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@ -72,6 +72,10 @@ namespace { // Anonymous namespace for class
PreVerifier() : FunctionPass(&ID) { }
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
// Check that the prerequisites for successful DominatorTree construction
// are satisfied.
bool runOnFunction(Function &F) {