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Patch #7 from Saem:

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"added the asserts and casts, fixed the comments and started the break
down of the larger methods.  A few more patches and the breakdown
should be complete."


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25142 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-07 23:16:58 +00:00
parent 5fe0e28650
commit d659360e58
1 changed files with 37 additions and 36 deletions
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73
lib/VMCore/PassManagerT.h
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@ -123,8 +123,6 @@ public:
static TimingInfo *TheTimeInfo;
// FIXME:I'm not sure if this is the best way, but this was the only way I
// could get around the recursive template issues. -- Saem
struct BBTraits {
typedef BasicBlock UnitType;
@ -138,7 +136,7 @@ struct BBTraits {
typedef BasicBlockPassManager SubPassClass;
// BatcherClass - The type to use for collation of subtypes... This class is
// never instantiated for the PassManager<BasicBlock>, but it must be an
// never instantiated for the BasicBlockPassManager, but it must be an
// instance of PassClass to typecheck.
//
typedef PassClass BatcherClass;
@ -287,7 +285,10 @@ public:
LastUserOf[I->second].push_back(I->first);
// Output debug information...
if (Parent == 0) PMDebug::PerformPassStartupStuff((dynamic_cast<PassClass*>(this)));
assert(dynamic_cast<PassClass*>(this) &&
"It wasn't the PassClass I thought it was");
if (Parent == 0)
PMDebug::PerformPassStartupStuff((dynamic_cast<PassClass*>(this)));
// Run all of the passes
for (unsigned i = 0, e = Passes.size(); i < e; ++i) {
@ -491,6 +492,8 @@ public:
// frees the analysis AFTER this pass manager runs.
//
if (Parent) {
assert(dynamic_cast<Pass*>(this) &&
"It wasn't the Pass type I thought it was.");
Parent->markPassUsed(P, dynamic_cast<Pass*>(this));
} else {
assert(getAnalysisOrNullUp(P) &&
@ -508,6 +511,7 @@ public:
}
virtual unsigned getNumContainedPasses() const { return Passes.size(); }
virtual const Pass *getContainedPass(unsigned N) const {
assert(N < Passes.size() && "Pass number out of range!");
return Passes[N];
@ -522,24 +526,16 @@ public:
// Get information about what analyses the pass uses...
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
const std::vector<AnalysisID> &Required = AnUsage.getRequiredSet();
// Loop over all of the analyses used by this pass,
for (std::vector<AnalysisID>::const_iterator I = Required.begin(),
E = Required.end(); I != E; ++I) {
if (getAnalysisOrNullDown(*I) == 0) {
Pass *AP = (*I)->createPass();
if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (AP)) { add(IP); }
else if (PassClass *RP = dynamic_cast<PassClass *> (AP)) { add(RP); }
else { assert (0 && "Wrong kind of pass for this PassManager"); }
}
}
addRequiredPasses(AnUsage.getRequiredSet());
// Tell the pass to add itself to this PassManager... the way it does so
// depends on the class of the pass, and is critical to laying out passes in
// an optimal order..
//
P->addToPassManager(dynamic_cast<PMType*>(this), AnUsage);
assert(dynamic_cast<PMType*>(this) &&
"It wasn't the right passmanager type.");
P->addToPassManager(static_cast<PMType*>(this), AnUsage);
}
// add - H4x0r an ImmutablePass into a PassManager that might not be
@ -549,19 +545,9 @@ public:
// Get information about what analyses the pass uses...
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
const std::vector<AnalysisID> &Required = AnUsage.getRequiredSet();
// Loop over all of the analyses used by this pass,
for (std::vector<AnalysisID>::const_iterator I = Required.begin(),
E = Required.end(); I != E; ++I) {
if (getAnalysisOrNullDown(*I) == 0) {
Pass *AP = (*I)->createPass();
if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (AP)) add(IP);
else if (PassClass *RP = dynamic_cast<PassClass *> (AP)) add(RP);
else assert (0 && "Wrong kind of pass for this PassManager");
}
}
addRequiredPasses(AnUsage.getRequiredSet());
// Add the ImmutablePass to this PassManager.
addPass(P, AnUsage);
}
@ -581,11 +567,10 @@ private:
const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet();
// FIXME: If this pass being added isn't killed by any of the passes in the
// batcher class then we can reorder to pass to execute before the batcher
// batcher class then we can reorder the pass to execute before the batcher
// does, which will potentially allow us to batch more passes!
//
// const std::vector<AnalysisID> &ProvidedSet = AnUsage.getProvidedSet();
if (Batcher /*&& ProvidedSet.empty()*/)
if (Batcher)
closeBatcher(); // This pass cannot be batched!
// Set the Resolver instance variable in the Pass so that it knows where to
@ -638,8 +623,13 @@ private:
// together a function at a time.
//
void addPass(SubPassClass *MP, AnalysisUsage &AnUsage) {
if (Batcher == 0) // If we don't have a batcher yet, make one now.
Batcher = new BatcherClass((dynamic_cast<PMType*>(this)));
if (Batcher == 0) { // If we don't have a batcher yet, make one now.
assert(dynamic_cast<PMType*>(this) &&
"It wasn't the PassManager type I thought it was");
Batcher = new BatcherClass((static_cast<PMType*>(this)));
}
// The Batcher will queue the passes up
MP->addToPassManager(Batcher, AnUsage);
}
@ -652,6 +642,17 @@ private:
}
}
void addRequiredPasses(const std::vector<AnalysisID> &Required) {
for (std::vector<AnalysisID>::const_iterator I = Required.begin(),
E = Required.end(); I != E; ++I) {
if (getAnalysisOrNullDown(*I) == 0) {
Pass *AP = (*I)->createPass();
if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (AP)) add(IP);
else if (PassClass *RP = dynamic_cast<PassClass *> (AP)) add(RP);
else assert (0 && "Wrong kind of pass for this PassManager");
}
}
}
public:
// When an ImmutablePass is added, it gets added to the top level pass
// manager.