diff options
Diffstat (limited to 'include/llvm/Transforms/Utils/BasicBlockUtils.h')
-rw-r--r-- | include/llvm/Transforms/Utils/BasicBlockUtils.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h index 9c49c5e..4939111 100644 --- a/include/llvm/Transforms/Utils/BasicBlockUtils.h +++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h @@ -61,15 +61,15 @@ bool isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum, bool AllowIdenticalEdges = false); /// SplitCriticalEdge - If this edge is a critical edge, insert a new node to -/// split the critical edge. This will update ETForest, ImmediateDominator, -/// DominatorTree, and DominatorFrontier information if it is available, thus -/// calling this pass will not invalidate either of them. This returns true if -/// the edge was split, false otherwise. If MergeIdenticalEdges is true (the -/// default), *all* edges from TI to the specified successor will be merged into -/// the same critical edge block. This is most commonly interesting with switch -/// instructions, which may have many edges to any one destination. This -/// ensures that all edges to that dest go to one block instead of each going to -/// a different block, but isn't the standard definition of a "critical edge". +/// split the critical edge. This will update DominatorTree, and DominatorFrontier +/// information if it is available, thus calling this pass will not invalidate +/// either of them. This returns true if the edge was split, false otherwise. +/// If MergeIdenticalEdges is true (the default), *all* edges from TI to the +/// specified successor will be merged into the same critical edge block. +/// This is most commonly interesting with switch instructions, which may +/// have many edges to any one destination. This ensures that all edges to that +/// dest go to one block instead of each going to a different block, but isn't +/// the standard definition of a "critical edge". /// bool SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P = 0, bool MergeIdenticalEdges = false); |