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test commit: added a few comments

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llvm-svn: 168445
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Preston Briggs 2012-11-21 18:53:19 +00:00
parent 74bde65ee0
commit f98e42b853
1 changed files with 10 additions and 0 deletions
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include/llvm/Analysis/DependenceAnalysis.h
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@ -18,6 +18,16 @@
// of memory references in a function, returning either NULL, for no dependence,
// or a more-or-less detailed description of the dependence between them.
//
// This pass exists to support the DependenceGraph pass. There are two separate
// passes because there's a useful separation of concerns. A dependence exists
// if two conditions are met:
//
// 1) Two instructions reference the same memory location, and
// 2) There is a flow of control leading from one instruction to the other.
//
// DependenceAnalysis attacks the first condition; DependenceGraph will attack
// the second (it's not yet ready).
//
// Please note that this is work in progress and the interface is subject to
// change.
//