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Patch to make some xforms preserve each other. Patch contributed by

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Domagoj Babic!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28181 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-05-09 04:13:41 +00:00
parent b5d75b8618
commit 8d89e7bdbc
5 changed files with 32 additions and 2 deletions
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4
lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
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@ -32,6 +32,10 @@ Pass *llvm::createUnifyFunctionExitNodesPass() {
void UnifyFunctionExitNodes::getAnalysisUsage(AnalysisUsage &AU) const{
// We preserve the non-critical-edgeness property
AU.addPreservedID(BreakCriticalEdgesID);
// This is a cluster of orthogonal Transforms
AU.addPreservedID(PromoteMemoryToRegisterID);
AU.addPreservedID(LowerSelectID);
AU.addPreservedID(LowerSwitchID);
}
// UnifyAllExitNodes - Unify all exit nodes of the CFG by creating a new