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Make sure that we abort if an error happens as early as neccesary. Before

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it was possible for the passmanager to continue running passes after the
verifier even if the module was not well formed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3820 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-19 16:12:19 +00:00
parent 0f82df410c
commit 3e1f144a1d
1 changed files with 27 additions and 5 deletions
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32
lib/VMCore/Verifier.cpp
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@ -48,7 +48,6 @@
#include "llvm/Support/InstVisitor.h"
#include "Support/STLExtras.h"
#include <algorithm>
#include <iostream>
namespace { // Anonymous namespace for class
@ -67,6 +66,13 @@ namespace { // Anonymous namespace for class
bool doInitialization(Module &M) {
verifySymbolTable(M.getSymbolTable());
// If this is a real pass, in a pass manager, we must abort before
// returning back to the pass manager, or else the pass manager may try to
// run other passes on the broken module.
//
if (RealPass)
abortIfBroken();
return false;
}
@ -74,6 +80,14 @@ namespace { // Anonymous namespace for class
// Get dominator information if we are being run by PassManager
if (RealPass) DS = &getAnalysis<DominatorSet>();
visit(F);
// If this is a real pass, in a pass manager, we must abort before
// returning back to the pass manager, or else the pass manager may try to
// run other passes on the broken module.
//
if (RealPass)
abortIfBroken();
return false;
}
@ -83,10 +97,8 @@ namespace { // Anonymous namespace for class
if (I->isExternal() && I->hasInternalLinkage())
CheckFailed("Function Declaration has Internal Linkage!", I);
if (Broken && AbortBroken) {
std::cerr << "Broken module found, compilation aborted!\n";
abort();
}
// If the module is broken, abort at this time.
abortIfBroken();
return false;
}
@ -96,6 +108,16 @@ namespace { // Anonymous namespace for class
AU.addRequired<DominatorSet>();
}
// abortIfBroken - If the module is broken and we are supposed to abort on
// this condition, do so.
//
void abortIfBroken() const {
if (Broken && AbortBroken) {
std::cerr << "Broken module found, compilation aborted!\n";
abort();
}
}
// Verification methods...
void verifySymbolTable(SymbolTable *ST);
void visitFunction(Function &F);