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Make the current LLVMContext available to passes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74724 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2009-07-02 20:23:41 +00:00
parent 033080cf6a
commit a8185fe50b
1 changed files with 14 additions and 2 deletions
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16
include/llvm/Pass.h
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@ -29,6 +29,7 @@
#ifndef LLVM_PASS_H
#define LLVM_PASS_H
#include "llvm/Module.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/Streams.h"
#include <cassert>
@ -47,6 +48,7 @@ class ImmutablePass;
class PMStack;
class AnalysisResolver;
class PMDataManager;
class LLVMContext;
// AnalysisID - Use the PassInfo to identify a pass...
typedef const PassInfo* AnalysisID;
@ -75,6 +77,10 @@ class Pass {
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");
@ -275,7 +281,10 @@ public:
/// 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.
@ -327,7 +336,10 @@ public:
/// 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.