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Implement a more powerful, simpler, pass system. This pass system can figure

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out how to run a collection of passes optimially given their behaviors and
charactaristics.

Convert code to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-01-21 07:31:50 +00:00
parent aff5bcebb7
commit f4de63f65f
32 changed files with 238 additions and 208 deletions
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32
lib/Transforms/IPO/SimpleStructMutation.cpp
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@ -58,18 +58,18 @@ static unsigned getIndex(const vector<pair<unsigned, unsigned> > &Vec,
static inline void GetTransformation(const StructType *ST,
vector<int> &Transform,
enum PrebuiltStructMutation::Transform XForm) {
enum SimpleStructMutation::Transform XForm) {
unsigned NumElements = ST->getElementTypes().size();
Transform.reserve(NumElements);
switch (XForm) {
case PrebuiltStructMutation::SwapElements:
case SimpleStructMutation::SwapElements:
// The transformation to do is: just simply swap the elements
for (unsigned i = 0; i < NumElements; ++i)
Transform.push_back(NumElements-i-1);
break;
case PrebuiltStructMutation::SortElements: {
case SimpleStructMutation::SortElements: {
vector<pair<unsigned, unsigned> > ElList;
// Build mapping from index to size
@ -87,26 +87,26 @@ static inline void GetTransformation(const StructType *ST,
}
}
// doPassInitialization - This does all of the work of the pass
//
PrebuiltStructMutation::TransformsType
PrebuiltStructMutation::getTransforms(Module *M, enum Transform XForm) {
SimpleStructMutation::TransformsType
SimpleStructMutation::getTransforms(Module *M, enum Transform XForm) {
// FIXME: These should be calculated by the Pass framework!
// We need to know which types to modify, and which types we CAN'T modify
FindUsedTypes FUT/*(true)*/; // TODO: Do symbol tables as well
FindUnsafePointerTypes FUPT;
FindUsedTypes *FUT = new FindUsedTypes(/*true*/); // TODO: Do symbol tables as well
FindUnsafePointerTypes *FUPT = new FindUnsafePointerTypes();
// Simutaneously find all of the types used, and all of the types that aren't
// safe.
//
vector<Pass*> Analyses;
Analyses.push_back(&FUT);
Analyses.push_back(&FUPT);
Pass::runAllPasses(M, Analyses); // Do analyses
PassManager Analyses;
Analyses.add(FUT);
Analyses.add(FUPT);
Analyses.run(M); // Do analyses
// Get the results out of the analyzers...
const set<PointerType*> &UnsafePTys = FUPT.getUnsafeTypes();
const set<const Type *> &UsedTypes = FUT.getTypes();
const set<PointerType*> &UnsafePTys = FUPT->getUnsafeTypes();
const set<const Type *> &UsedTypes = FUT->getTypes();
// Combine the two sets, weeding out non structure types. Closures in C++