#ifndef LLVM_PASS_H
#define LLVM_PASS_H
+#include "llvm/Module.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/Streams.h"
#include <cassert>
class PMStack;
class AnalysisResolver;
class PMDataManager;
+class LLVMContext;
// AnalysisID - Use the PassInfo to identify a pass...
typedef const PassInfo* AnalysisID;
class Pass {
AnalysisResolver *Resolver; // Used to resolve analysis
intptr_t PassID;
- // AnalysisImpls - This keeps track of which passes implement the interfaces
- // that are required by the current pass (to implement getAnalysis()).
- //
- std::vector<std::pair<const PassInfo*, Pass*> > AnalysisImpls;
void operator=(const Pass&); // DO NOT IMPLEMENT
Pass(const Pass &); // DO NOT IMPLEMENT
+
+protected:
+ LLVMContext *Context;
+
public:
explicit Pass(intptr_t pid) : Resolver(0), PassID(pid) {
assert(pid && "pid cannot be 0");
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
- virtual bool doInitialization(Module &) { return false; }
+ virtual bool doInitialization(Module &M) {
+ Context = &M.getContext();
+ return false;
+ }
/// runOnFunction - Virtual method overriden by subclasses to do the
/// per-function processing of the pass.
/// doInitialization - Virtual method overridden by subclasses to do
/// any necessary per-module initialization.
///
- virtual bool doInitialization(Module &) { return false; }
+ virtual bool doInitialization(Module &M) {
+ Context = &M.getContext();
+ return false;
+ }
/// doInitialization - Virtual method overridden by BasicBlockPass subclasses
/// to do any necessary per-function initialization.