diff options
| author | Florian Hahn <flo@fhahn.com> | 2019-10-02 16:58:13 +0000 |
|---|---|---|
| committer | Florian Hahn <flo@fhahn.com> | 2019-10-02 16:58:13 +0000 |
| commit | eb6700b57e969e75014394a02e8130542f3f6457 (patch) | |
| tree | d40e80e72a5399be6ad70b8c079c677f93f302ad /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | ef315b5361e414f93b0f0067084fe9f63e620b54 (diff) | |
| download | llvm-eb6700b57e969e75014394a02e8130542f3f6457.zip llvm-eb6700b57e969e75014394a02e8130542f3f6457.tar.gz llvm-eb6700b57e969e75014394a02e8130542f3f6457.tar.bz2 | |
[Local] Remove unused LazyValueInfo pointer from removeUnreachableBlock.
There are no users that pass in LazyValueInfo, so we can simplify the
function a bit.
Reviewers: brzycki, asbirlea, davide
Reviewed By: davide
Differential Revision: https://reviews.llvm.org/D68297
llvm-svn: 373488
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index eabf4bf..3a6b7a6 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -2210,10 +2210,8 @@ void llvm::removeUnwindEdge(BasicBlock *BB, DomTreeUpdater *DTU) { /// removeUnreachableBlocks - Remove blocks that are not reachable, even /// if they are in a dead cycle. Return true if a change was made, false -/// otherwise. If `LVI` is passed, this function preserves LazyValueInfo -/// after modifying the CFG. -bool llvm::removeUnreachableBlocks(Function &F, LazyValueInfo *LVI, - DomTreeUpdater *DTU, +/// otherwise. +bool llvm::removeUnreachableBlocks(Function &F, DomTreeUpdater *DTU, MemorySSAUpdater *MSSAU) { SmallPtrSet<BasicBlock *, 16> Reachable; bool Changed = markAliveBlocks(F, Reachable, DTU); @@ -2237,7 +2235,7 @@ bool llvm::removeUnreachableBlocks(Function &F, LazyValueInfo *LVI, MSSAU->removeBlocks(DeadBlockSet); // Loop over all of the basic blocks that are not reachable, dropping all of - // their internal references. Update DTU and LVI if available. + // their internal references. Update DTU if available. std::vector<DominatorTree::UpdateType> Updates; for (auto *BB : DeadBlockSet) { for (BasicBlock *Successor : successors(BB)) { @@ -2246,8 +2244,6 @@ bool llvm::removeUnreachableBlocks(Function &F, LazyValueInfo *LVI, if (DTU) Updates.push_back({DominatorTree::Delete, BB, Successor}); } - if (LVI) - LVI->eraseBlock(BB); BB->dropAllReferences(); if (DTU) { // Remove the terminator of BB to clear the successor list of BB. |