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Checkin new loop-preheader insertion pass.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3943 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-26 16:17:33 +00:00
parent 38acf9e85d
commit f6b684c505
1 changed files with 13 additions and 0 deletions
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13
include/llvm/Transforms/Scalar.h
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@ -188,6 +188,19 @@ Pass *createCFGSimplificationPass();
Pass *createBreakCriticalEdgesPass();
extern const PassInfo *BreakCriticalEdgesID;
//===----------------------------------------------------------------------===//
//
// LoopPreheaders pass - Insert Pre-header blocks into the CFG for every
// function in the module. This pass updates dominator information, loop
// information, and does not add critical edges to the CFG.
//
// AU.addRequiredID(LoopPreheadersID);
//
Pass *createLoopPreheaderInsertionPass();
extern const PassInfo *LoopPreheadersID;
//===----------------------------------------------------------------------===//
// These two passes convert malloc and free instructions to and from %malloc &
// %free function calls.