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Add new BreakCriticalEdges pass

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3902 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-09-24 00:08:37 +00:00
parent 2d23785852
commit 119e9ea33b
1 changed files with 10 additions and 0 deletions
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10
include/llvm/Transforms/Scalar.h
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@ -175,6 +175,16 @@ Pass *createCorrelatedExpressionEliminationPass();
//
Pass *createCFGSimplificationPass();
//===----------------------------------------------------------------------===//
//
// BreakCriticalEdges pass - Break all of the critical edges in the CFG by
// inserting a dummy basic block. This pass may be "required" by passes that
// cannot deal with critical edges. For this usage, the structure type is
// forward declared. This pass obviously invalidates the CFG, but can update
// forward dominator (set, immediate dominators, and tree) information.
//
class BreakCriticalEdges;
Pass *createBreakCriticalEdgesPass();
//===----------------------------------------------------------------------===//
// These two passes convert malloc and free instructions to and from %malloc &