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comment and indentation improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60214 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -7,10 +7,7 @@
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines an analysis that determines, for a given memory operation,
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// what preceding memory operations it depends on. It builds on alias analysis
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// information, and tries to provide a lazy, caching interface to a common kind
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// of alias information query.
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// This file defines the MemoryDependenceAnalysis analysis pass.
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//
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//===----------------------------------------------------------------------===//
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@ -21,15 +18,17 @@
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#include "llvm/Support/CallSite.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class Function;
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class FunctionPass;
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class Instruction;
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class Function;
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class FunctionPass;
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class Instruction;
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class MemoryDependenceAnalysis : public FunctionPass {
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/// MemoryDependenceAnalysis - This is an analysis that determines, for a
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/// given memory operation, what preceding memory operations it depends on.
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/// It builds on alias analysis information, and tries to provide a lazy,
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/// caching interface to a common kind of alias information query.
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class MemoryDependenceAnalysis : public FunctionPass {
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private:
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// A map from instructions to their dependency, with a boolean
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// flags for whether this mapping is confirmed or not
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@ -61,7 +60,6 @@ class MemoryDependenceAnalysis : public FunctionPass {
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// Special marker indicating that the query has no dependency at all
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static Instruction* const None;
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// Special marker indicating a dirty cache entry
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static Instruction* const Dirty;
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