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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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15
include/llvm/Transforms/IPO/ConstantMerge.h
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@@ -22,7 +22,8 @@
class Constant;
class GlobalVariable;
class ConstantMerge : public Pass {
// FIXME: ConstantMerge should not be a methodPass!!!
class ConstantMerge : public MethodPass {
protected:
std::map<Constant*, GlobalVariable*> Constants;
unsigned LastConstantSeen;
@@ -34,14 +35,16 @@ public:
//
static bool mergeDuplicateConstants(Module *M);
// doPassInitialization - For this pass, process all of the globals in the
// doInitialization - For this pass, process all of the globals in the
// module, eliminating duplicate constants.
//
bool doPassInitialization(Module *M);
bool doInitialization(Module *M);
// doPassFinalization - Clean up internal state for this module
bool runOnMethod(Method*) { return false; }
// doFinalization - Clean up internal state for this module
//
bool doPassFinalization(Module *M) {
bool doFinalization(Module *M) {
LastConstantSeen = 0;
Constants.clear();
return false;
@@ -52,7 +55,7 @@ struct DynamicConstantMerge : public ConstantMerge {
// doPerMethodWork - Check to see if any globals have been added to the
// global list for the module. If so, eliminate them.
//
bool doPerMethodWork(Method *M);
bool runOnMethod(Method *M);
};
#endif