diff options
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 93764b6d1a..076f89e337 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -78,8 +78,9 @@ void llvm::FoldSingleEntryPHINodes(BasicBlock *BB) { /// DeleteDeadPHIs - Examine each PHI in the given block and delete it if it /// is dead. Also recursively delete any operands that become dead as /// a result. This includes tracing the def-use list from the PHI to see if -/// it is ultimately unused or if it reaches an unused cycle. -void llvm::DeleteDeadPHIs(BasicBlock *BB) { +/// it is ultimately unused or if it reaches an unused cycle. If a +/// ValueDeletionListener is specified, it is notified of the deletions. +void llvm::DeleteDeadPHIs(BasicBlock *BB, ValueDeletionListener *VDL) { // Recursively deleting a PHI may cause multiple PHIs to be deleted // or RAUW'd undef, so use an array of WeakVH for the PHIs to delete. SmallVector<WeakVH, 8> PHIs; @@ -89,7 +90,7 @@ void llvm::DeleteDeadPHIs(BasicBlock *BB) { for (unsigned i = 0, e = PHIs.size(); i != e; ++i) if (PHINode *PN = dyn_cast_or_null<PHINode>(PHIs[i].operator Value*())) - RecursivelyDeleteDeadPHINode(PN); + RecursivelyDeleteDeadPHINode(PN, VDL); } /// MergeBlockIntoPredecessor - Attempts to merge a block into its predecessor, |