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move MergeBasicBlockIntoOnlyPred to Transforms/Utils.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60162 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner
2008-11-27 07:43:12 +00:00
parent 753e3ba5a6
commit b29714a10a
3 changed files with 41 additions and 31 deletions
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8
include/llvm/Transforms/Utils/Local.h
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@ -62,6 +62,14 @@ bool dceInstruction(BasicBlock::iterator &BBI);
// Control Flow Graph Restructuring...
//
/// MergeBasicBlockIntoOnlyPred - BB is a block with one predecessor and its
/// predecessor is known to have one successor (BB!). Eliminate the edge
/// between them, moving the instructions in the predecessor into BB. This
/// deletes the predecessor block.
///
void MergeBasicBlockIntoOnlyPred(BasicBlock *BB);
/// SimplifyCFG - This function is used to do simplification of a CFG. For
/// example, it adjusts branches to branches to eliminate the extra hop, it
/// eliminates unreachable basic blocks, and does other "peephole" optimization