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Convert the verifier over to use ETForest instead of DominatorSet. Patch

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by Daniel Berlin


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25242 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-12 06:17:59 +00:00
parent a5959bfdfa
commit 0b2192c99b
1 changed files with 14 additions and 14 deletions
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28
lib/VMCore/Verifier.cpp
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@ -68,7 +68,7 @@ namespace { // Anonymous namespace for class
VerifierFailureAction action;
// What to do if verification fails.
Module *Mod; // Module we are verifying right now
DominatorSet *DS; // Dominator set, caution can be null!
ETForest *EF; // ET-Forest, caution can be null!
std::stringstream msgs; // A stringstream to collect messages
/// InstInThisBlock - when verifying a basic block, keep track of all of the
@ -79,17 +79,17 @@ namespace { // Anonymous namespace for class
Verifier()
: Broken(false), RealPass(true), action(AbortProcessAction),
DS(0), msgs( std::ios::app | std::ios::out ) {}
EF(0), msgs( std::ios::app | std::ios::out ) {}
Verifier( VerifierFailureAction ctn )
: Broken(false), RealPass(true), action(ctn), DS(0),
: Broken(false), RealPass(true), action(ctn), EF(0),
msgs( std::ios::app | std::ios::out ) {}
Verifier(bool AB )
: Broken(false), RealPass(true),
action( AB ? AbortProcessAction : PrintMessageAction), DS(0),
action( AB ? AbortProcessAction : PrintMessageAction), EF(0),
msgs( std::ios::app | std::ios::out ) {}
Verifier(DominatorSet &ds)
Verifier(ETForest &ef)
: Broken(false), RealPass(false), action(PrintMessageAction),
DS(&ds), msgs( std::ios::app | std::ios::out ) {}
EF(&ef), msgs( std::ios::app | std::ios::out ) {}
bool doInitialization(Module &M) {
@ -106,7 +106,7 @@ namespace { // Anonymous namespace for class
bool runOnFunction(Function &F) {
// Get dominator information if we are being run by PassManager
if (RealPass) DS = &getAnalysis<DominatorSet>();
if (RealPass) EF = &getAnalysis<ETForest>();
visit(F);
InstsInThisBlock.clear();
@ -139,7 +139,7 @@ namespace { // Anonymous namespace for class
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
if (RealPass)
AU.addRequired<DominatorSet>();
AU.addRequired<ETForest>();
}
/// abortIfBroken - If the module is broken and we are supposed to abort on
@ -582,7 +582,7 @@ void Verifier::visitInstruction(Instruction &I) {
for (Value::use_iterator UI = I.use_begin(), UE = I.use_end();
UI != UE; ++UI)
Assert1(*UI != (User*)&I ||
!DS->dominates(&BB->getParent()->getEntryBlock(), BB),
!EF->dominates(&BB->getParent()->getEntryBlock(), BB),
"Only PHI nodes may reference their own value!", &I);
}
@ -633,20 +633,20 @@ void Verifier::visitInstruction(Instruction &I) {
// If they are in the same basic block, make sure that the definition
// comes before the use.
Assert2(InstsInThisBlock.count(Op) ||
!DS->dominates(&BB->getParent()->getEntryBlock(), BB),
!EF->dominates(&BB->getParent()->getEntryBlock(), BB),
"Instruction does not dominate all uses!", Op, &I);
}
// Definition must dominate use unless use is unreachable!
Assert2(DS->dominates(OpBlock, BB) ||
!DS->dominates(&BB->getParent()->getEntryBlock(), BB),
Assert2(EF->dominates(OpBlock, BB) ||
!EF->dominates(&BB->getParent()->getEntryBlock(), BB),
"Instruction does not dominate all uses!", Op, &I);
} else {
// PHI nodes are more difficult than other nodes because they actually
// "use" the value in the predecessor basic blocks they correspond to.
BasicBlock *PredBB = cast<BasicBlock>(I.getOperand(i+1));
Assert2(DS->dominates(OpBlock, PredBB) ||
!DS->dominates(&BB->getParent()->getEntryBlock(), PredBB),
Assert2(EF->dominates(OpBlock, PredBB) ||
!EF->dominates(&BB->getParent()->getEntryBlock(), PredBB),
"Instruction does not dominate all uses!", Op, &I);
}
}