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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /include/llvm/Transforms/Utils/BasicBlockUtils.h
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'include/llvm/Transforms/Utils/BasicBlockUtils.h')
-rw-r--r--include/llvm/Transforms/Utils/BasicBlockUtils.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h
index 7309f69..19acf5b 100644
--- a/include/llvm/Transforms/Utils/BasicBlockUtils.h
+++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h
@@ -23,6 +23,7 @@
namespace llvm {
class AliasAnalysis;
+class DominatorTree;
class Instruction;
class MDNode;
class Pass;
@@ -132,6 +133,11 @@ inline BasicBlock *SplitCriticalEdge(BasicBlock *Src, BasicBlock *Dst,
}
}
+// SplitAllCriticalEdges - Loop over all of the edges in the CFG,
+// breaking critical edges as they are found. Pass P must not be NULL.
+// Returns the number of broken edges.
+unsigned SplitAllCriticalEdges(Function &F, Pass *P);
+
/// SplitEdge - Split the edge connecting specified block. Pass P must
/// not be NULL.
BasicBlock *SplitEdge(BasicBlock *From, BasicBlock *To, Pass *P);
@@ -202,9 +208,12 @@ 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.