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[PM] Lift the actual analyses used into the inferface rather than

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accepting a Pass and querying it for analyses.

This is necessary to allow the utilities to work both with the old and
new pass managers, and I also think this makes the interface much more
clear and helps the reader know what analyses the utility can actually
handle. I plan to repeat this process iteratively to clean up all the
pass utilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226386 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2015-01-18 01:45:07 +00:00
parent 5a2d01e5b8
commit b7f66977be
2 changed files with 10 additions and 11 deletions
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4
include/llvm/Transforms/Utils/BasicBlockUtils.h
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@ -23,6 +23,7 @@
namespace llvm {
class AliasAnalysis;
class MemoryDependenceAnalysis;
class DominatorTree;
class Instruction;
class MDNode;
@ -39,7 +40,8 @@ void DeleteDeadBlock(BasicBlock *BB);
/// any single-entry PHI nodes in it, fold them away. This handles the case
/// when all entries to the PHI nodes in a block are guaranteed equal, such as
/// when the block has exactly one predecessor.
void FoldSingleEntryPHINodes(BasicBlock *BB, Pass *P = nullptr);
void FoldSingleEntryPHINodes(BasicBlock *BB, AliasAnalysis *AA = nullptr,
MemoryDependenceAnalysis *MemDep = nullptr);
/// DeleteDeadPHIs - Examine each PHI in the given block and delete it if it
/// is dead. Also recursively delete any operands that become dead as