[NFC] Specialize public API of ICFLoopSafetyInfo for insertions and removals

llvm-svn: 345822

1 files changed, 7 insertions, 1 deletions

diff --git a/llvm/lib/Analysis/MustExecute.cpp b/llvm/lib/Analysis/MustExecute.cpp
index 64ee2a7e5b0..7507aebb527 100644
--- a/llvm/lib/Analysis/MustExecute.cpp
+++ b/llvm/lib/Analysis/MustExecute.cpp
@@ -82,10 +82,16 @@ void ICFLoopSafetyInfo::computeLoopSafetyInfo(const Loop *CurLoop) {
   computeBlockColors(CurLoop);
 }
 
-void ICFLoopSafetyInfo::dropCachedInfo(const BasicBlock *BB) {
+void ICFLoopSafetyInfo::insertInstructionTo(const BasicBlock *BB) {
   ICF.invalidateBlock(BB);
 }
 
+void ICFLoopSafetyInfo::removeInstruction(const Instruction *Inst) {
+  // TODO: So far we just conservatively drop cache, but maybe we can not do it
+  // when Inst is not an ICF instruction. Follow-up on that.
+  ICF.invalidateBlock(Inst->getParent());
+}
+
 void LoopSafetyInfo::computeBlockColors(const Loop *CurLoop) {
   // Compute funclet colors if we might sink/hoist in a function with a funclet
   // personality routine.