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Pass's return true if they make a modification, not if they fail

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@872 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-10-18 01:32:17 +00:00
parent 475369e255
commit 989305bb23
1 changed files with 14 additions and 15 deletions
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29
include/llvm/Transforms/Pass.h
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@ -46,14 +46,15 @@ struct Pass {
// runAllPasses - Run a bunch of passes on the specified module, efficiently.
static bool runAllPasses(Module *M, vector<Pass*> &Passes) {
bool MadeChanges = false;
for (unsigned i = 0; i < Passes.size(); ++i)
if (Passes[i]->doPassInitializationVirt(M)) return true;
MadeChanges |= Passes[i]->doPassInitializationVirt(M);
// Loop over all of the methods, applying all of the passes to them
for (Module::iterator I = M->begin(); I != M->end(); ++I)
for (unsigned i = 0; i < Passes.size(); ++i)
if (Passes[i]->doPerMethodWorkVirt(*I)) return true;
return false;
MadeChanges |= Passes[i]->doPerMethodWorkVirt(*I);
return MadeChanges;
}
// runAllPassesAndFree - Run a bunch of passes on the specified module,
@ -61,12 +62,12 @@ struct Pass {
//
static bool runAllPassesAndFree(Module *M, vector<Pass*> &Passes) {
// First run all of the passes
bool Result = runAllPasses(M, Passes);
bool MadeChanges = runAllPasses(M, Passes);
// Free all of the passes.
for (unsigned i = 0; i < Passes.size(); ++i)
delete Passes[i];
return Result;
return MadeChanges;
}
@ -74,22 +75,21 @@ struct Pass {
// within it. Returns false on success.
//
bool run(Module *M) {
if (doPassInitializationVirt(M)) return true;
bool MadeChanges = doPassInitializationVirt(M);
// Loop over methods in the module. doPerMethodWork could add a method to
// the Module, so we have to keep checking for end of method list condition.
//
for (Module::iterator I = M->begin(); I != M->end(); ++I)
if (doPerMethodWorkVirt(*I)) return true;
return false;
MadeChanges = doPerMethodWorkVirt(*I);
return MadeChanges;
}
// run(Method*) - Run this pass on a module and one specific method. Returns
// false on success.
//
bool run(Method *M) {
if (doPassInitializationVirt(M->getParent())) return true;
return doPerMethodWorkVirt(M);
return doPassInitializationVirt(M->getParent()) | doPerMethodWorkVirt(M);
}
@ -151,22 +151,21 @@ struct StatelessPass : public ConcretePass {
// within it. Returns false on success.
//
static bool run(Module *M) {
if (doPassInitialization(M->getParent())) return true;
bool MadeChange = doPassInitialization(M->getParent());
// Loop over methods in the module. doPerMethodWork could add a method to
// the Module, so we have to keep checking for end of method list condition.
//
for (Module::iterator I = M->begin(); I != M->end(); ++I)
if (doPerMethodWork(*I)) return true;
return false;
MadeChange |= doPerMethodWork(*I);
return MadeChange;
}
// run(Method*) - Run this pass on a module and one specific method. Returns
// false on success.
//
static bool run(Method *M) {
if (doPassInitialization(M->getParent())) return true;
return doPerMethodWork(M);
return doPassInitialization(M->getParent()) | doPerMethodWork(M);
}
//===--------------------------------------------------------------------===//