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Give SplitBlockAndInsertIfThen the ability to update a domtree.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213045 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2014-07-15 04:40:27 +00:00
parent 0ff9c3a3ae
commit ca3c5b8722
2 changed files with 21 additions and 2 deletions
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6
include/llvm/Transforms/Utils/BasicBlockUtils.h
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@ -23,6 +23,7 @@
namespace llvm {
class AliasAnalysis;
class DominatorTree;
class Instruction;
class MDNode;
class Pass;
@ -202,9 +203,12 @@ ReturnInst *FoldReturnIntoUncondBranch(ReturnInst *RI, BasicBlock *BB,
/// If Unreachable is true, then ThenBlock ends with
/// UnreachableInst, otherwise it branches to Tail.
/// Returns the NewBasicBlock's terminator.
///
/// Updates DT if given.
TerminatorInst *SplitBlockAndInsertIfThen(Value *Cond, Instruction *SplitBefore,
bool Unreachable,
MDNode *BranchWeights = nullptr);
MDNode *BranchWeights = nullptr,
DominatorTree *DT = nullptr);
/// SplitBlockAndInsertIfThenElse is similar to SplitBlockAndInsertIfThen,
/// but also creates the ElseBlock.