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Change the verifier to never throw an exception. Instead verifyModule canoptionally return the string error, which is an easier api for clients touse anyway.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29017 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-07-06 18:02:27 +00:00
parent 1d662a6afc
commit 05ac92ca7d
5 changed files with 41 additions and 63 deletions
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40
lib/Bytecode/Reader/Analyzer.cpp
View File

@ -117,12 +117,10 @@ public:
bca.functionDensity = double(bca.BlockSizes[BytecodeFormat::FunctionBlockID]) /
double(bca.numFunctions);
if ( bca.progressiveVerify ) {
try {
verifyModule(*M, ThrowExceptionAction);
} catch ( std::string& msg ) {
if (bca.progressiveVerify) {
std::string msg;
if (verifyModule(*M, ReturnStatusAction, &msg))
bca.VerifyInfo += "Verify@Finish: " + msg + "\n";
}
}
}
@ -135,12 +133,10 @@ public:
virtual void handleModuleEnd(const std::string& id) {
if (os)
*os << " } End Module " << id << "\n";
if ( bca.progressiveVerify ) {
try {
verifyModule(*M, ThrowExceptionAction);
} catch ( std::string& msg ) {
if (bca.progressiveVerify) {
std::string msg;
if (verifyModule(*M, ReturnStatusAction, &msg))
bca.VerifyInfo += "Verify@EndModule: " + msg + "\n";
}
}
}
@ -232,12 +228,10 @@ public:
virtual void handleModuleGlobalsEnd() {
if (os)
*os << " } END BLOCK: ModuleGlobalInfo\n";
if ( bca.progressiveVerify ) {
try {
verifyModule(*M, ThrowExceptionAction);
} catch ( std::string& msg ) {
if (bca.progressiveVerify) {
std::string msg;
if (verifyModule(*M, ReturnStatusAction, &msg))
bca.VerifyInfo += "Verify@EndModuleGlobalInfo: " + msg + "\n";
}
}
}
@ -346,12 +340,10 @@ public:
currFunc->density = double(currFunc->byteSize) /
double(currFunc->numInstructions);
if ( bca.progressiveVerify ) {
try {
verifyModule(*M, ThrowExceptionAction);
} catch ( std::string& msg ) {
if (bca.progressiveVerify) {
std::string msg;
if (verifyModule(*M, ReturnStatusAction, &msg))
bca.VerifyInfo += "Verify@EndFunction: " + msg + "\n";
}
}
}
@ -522,12 +514,10 @@ public:
if (os)
*os << " } END BLOCK: GlobalConstants\n";
if ( bca.progressiveVerify ) {
try {
verifyModule(*M, ThrowExceptionAction);
} catch ( std::string& msg ) {
if (bca.progressiveVerify) {
std::string msg;
if (verifyModule(*M, ReturnStatusAction, &msg))
bca.VerifyInfo += "Verify@EndGlobalConstants: " + msg + "\n";
}
}
}

15
lib/VMCore/Verifier.cpp
View File

@ -152,18 +152,13 @@ namespace { // Anonymous namespace for class
/// this condition, do so.
///
void abortIfBroken() {
if (Broken)
{
if (Broken) {
msgs << "Broken module found, ";
switch (action)
{
switch (action) {
case AbortProcessAction:
msgs << "compilation aborted!\n";
std::cerr << msgs.str();
abort();
case ThrowExceptionAction:
msgs << "verification terminated.\n";
throw msgs.str();
case PrintMessageAction:
msgs << "verification continues.\n";
std::cerr << msgs.str();
@ -799,11 +794,15 @@ bool llvm::verifyFunction(const Function &f, VerifierFailureAction action) {
/// verifyModule - Check a module for errors, printing messages on stderr.
/// Return true if the module is corrupt.
///
bool llvm::verifyModule(const Module &M, VerifierFailureAction action) {
bool llvm::verifyModule(const Module &M, VerifierFailureAction action,
std::string *ErrorInfo) {
PassManager PM;
Verifier *V = new Verifier(action);
PM.add(V);
PM.run((Module&)M);
if (ErrorInfo && V->Broken)
*ErrorInfo = V->msgs.str();
return V->Broken;
}

16
tools/llvm-as/llvm-as.cpp
View File

@ -63,14 +63,14 @@ int main(int argc, char **argv) {
return 1;
}
try {
if (!DisableVerify)
verifyModule(*M.get(), ThrowExceptionAction);
} catch (const std::string &Err) {
std::cerr << argv[0]
<< ": assembly parsed, but does not verify as correct!\n";
std::cerr << Err;
return 1;
if (!DisableVerify) {
std::string Err;
if (verifyModule(*M.get(), ReturnStatusAction, &Err)) {
std::cerr << argv[0]
<< ": assembly parsed, but does not verify as correct!\n";
std::cerr << Err;
return 1;
}
}
if (DumpAsm) std::cerr << "Here's the assembly:\n" << *M.get();

15
tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
View File

@ -73,23 +73,10 @@ main(int argc, char **argv) {
if ( M && Verify ) {
std::string verificationMsg;
try {
verifyModule( *M, ThrowExceptionAction );
} catch (std::string& errmsg ) {
verificationMsg = errmsg;
}
if ( verificationMsg.length() > 0 )
if (verifyModule(*M, ReturnStatusAction, &verificationMsg))
std::cerr << "Final Verification Message: " << verificationMsg << "\n";
}
// If there was an error, print it and stop.
if ( ErrorMessage.size() ) {
std::cerr << argv[0] << ": " << ErrorMessage << "\n";
return 1;
}
if (Out != &std::cout) {
((std::ofstream*)Out)->close();
delete Out;

18
tools/llvm2cpp/llvm2cpp.cpp
View File

@ -59,14 +59,16 @@ int main(int argc, char **argv) {
return 1;
}
try {
if (!DisableVerify)
verifyModule(*M.get(), ThrowExceptionAction);
} catch (const std::string &Err) {
std::cerr << argv[0]
<< ": assembly parsed, but does not verify as correct!\n";
std::cerr << Err;
return 1;
// FIXME: llvm2cpp should read .bc files and thus not run the verifier
// explicitly!
if (!DisableVerify) {
std::string Err;
if (verifyModule(*M.get(), ReturnStatusAction, &Err)) {
std::cerr << argv[0]
<< ": assembly parsed, but does not verify as correct!\n";
std::cerr << Err;
return 1;
}
}
if (OutputFilename != "") { // Specified an output filename?