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[Analysis] Remove changeCondBranchToUnconditionalTo (NFC)

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The last use was removed on Jan 21, 2021 in commit
0895b836d74ed333468ddece2102140494eb33b6.
This commit is contained in:
Kazu Hirata 2021-07-10 17:21:32 -07:00
parent 9f0fbee225
commit a6c7669e73
2 changed files with 0 additions and 21 deletions
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5
include/llvm/Analysis/MemorySSAUpdater.h
View File

@ -240,11 +240,6 @@ public:
/// successors.
void changeToUnreachable(const Instruction *I);
/// Conditional branch BI is changed or replaced with an unconditional branch
/// to `To`. Update Phis in BI's successors to remove BI's BB.
void changeCondBranchToUnconditionalTo(const BranchInst *BI,
const BasicBlock *To);
/// Get handle on MemorySSA.
MemorySSA* getMemorySSA() const { return MSSA; }

16
lib/Analysis/MemorySSAUpdater.cpp
View File

@ -1426,22 +1426,6 @@ void MemorySSAUpdater::changeToUnreachable(const Instruction *I) {
tryRemoveTrivialPhis(UpdatedPHIs);
}
void MemorySSAUpdater::changeCondBranchToUnconditionalTo(const BranchInst *BI,
const BasicBlock *To) {
const BasicBlock *BB = BI->getParent();
SmallVector<WeakVH, 16> UpdatedPHIs;
for (const BasicBlock *Succ : successors(BB)) {
removeDuplicatePhiEdgesBetween(BB, Succ);
if (Succ != To)
if (auto *MPhi = MSSA->getMemoryAccess(Succ)) {
MPhi->unorderedDeleteIncomingBlock(BB);
UpdatedPHIs.push_back(MPhi);
}
}
// Optimize trivial phis.
tryRemoveTrivialPhis(UpdatedPHIs);
}
MemoryAccess *MemorySSAUpdater::createMemoryAccessInBB(
Instruction *I, MemoryAccess *Definition, const BasicBlock *BB,
MemorySSA::InsertionPlace Point) {