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Cleanup and comment-ize the memdep header.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40948 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-08-08 21:53:20 +00:00
parent 787a713bb2
commit 179463c0d4
1 changed files with 18 additions and 11 deletions
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29
include/llvm/Analysis/MemoryDependenceAnalysis.h
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@ -31,23 +31,24 @@ class Instruction;
class MemoryDependenceAnalysis : public FunctionPass {
private:
// A map from instructions to their dependency, with a boolean
// flags for whether this mapping is confirmed or not
typedef DenseMap<Instruction*, std::pair<const Instruction*, bool> >
depMapType;
depMapType;
depMapType depGraphLocal;
typedef DenseMap<const Instruction*,
SmallPtrSet<Instruction*, 4> > reverseDepMapType;
// A reverse mapping form dependencies to the dependees. This is
// used when removing instructions to keep the cache coherent.
typedef DenseMap<const Instruction*, SmallPtrSet<Instruction*, 4> >
reverseDepMapType;
reverseDepMapType reverseDep;
const Instruction* getCallSiteDependency(CallSite C, Instruction* start,
BasicBlock* block);
void nonLocalHelper(Instruction* query, BasicBlock* block,
DenseMap<BasicBlock*, Value*>& resp);
public:
public:
// Special marker indicating that the query has no dependency
// in the specified block.
static const Instruction* NonLocal;
// Special marker indicating that the query has no dependency at all
static const Instruction* None;
static char ID; // Class identification, replacement for typeinfo
@ -79,6 +80,12 @@ class MemoryDependenceAnalysis : public FunctionPass {
/// removeInstruction - Remove an instruction from the dependence analysis,
/// updating the dependence of instructions that previously depended on it.
void removeInstruction(Instruction* rem);
private:
const Instruction* getCallSiteDependency(CallSite C, Instruction* start,
BasicBlock* block);
void nonLocalHelper(Instruction* query, BasicBlock* block,
DenseMap<BasicBlock*, Value*>& resp);
};
} // End llvm namespace