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Expose passinfo from BreakCriticalEdges pass so that it may be "Required" by

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other passes

llvm-svn: 3906
This commit is contained in:
Chris Lattner 2002-09-24 15:42:27 +00:00
parent 2ccb52142f
commit 63940ae296
1 changed files with 9 additions and 6 deletions
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15
include/llvm/Transforms/Scalar.h
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@ -10,8 +10,8 @@
class Pass;
class TargetData;
class BasicBlock;
class GetElementPtrInst;
class PassInfo;
//===----------------------------------------------------------------------===//
//
@ -162,7 +162,7 @@ Pass *createReassociatePass();
//
// This pass eliminates correlated conditions, such as these:
// if (X == 0)
// if (X > 2) // Known false
// if (X > 2) ; // Known false
// else
// Y = X * Z; // = 0
//
@ -179,12 +179,15 @@ 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.
// cannot deal with critical edges. For this usage, a pass must call:
//
// AU.addRequiredID(BreakCriticalEdgesID);
//
// This pass obviously invalidates the CFG, but can update forward dominator
// (set, immediate dominators, and tree) information.
//
class BreakCriticalEdges;
Pass *createBreakCriticalEdgesPass();
extern const PassInfo *BreakCriticalEdgesID;
//===----------------------------------------------------------------------===//
// These two passes convert malloc and free instructions to and from %malloc &