[PATCH] D124069: [NFC][NewGVN] Add updateDFSNumbers().
Konstantina Mitropoulou via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 15 22:38:21 PDT 2022
kmitropoulou updated this revision to Diff 460638.
kmitropoulou added a comment.
Updating D124069 <https://reviews.llvm.org/D124069>: [NFC][NewGVN] Add updateDFSNumbers().
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D124069/new/
https://reviews.llvm.org/D124069
Files:
llvm/lib/Transforms/Scalar/NewGVN.cpp
Index: llvm/lib/Transforms/Scalar/NewGVN.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/NewGVN.cpp
+++ llvm/lib/Transforms/Scalar/NewGVN.cpp
@@ -859,6 +859,7 @@
// Utilities.
void cleanupTables();
std::pair<unsigned, unsigned> assignDFSNumbers(BasicBlock *, unsigned);
+ unsigned updateDFSNumbers(unsigned);
void updateProcessedCount(const Value *V);
void verifyMemoryCongruency() const;
void verifyIterationSettled(Function &F);
@@ -3017,6 +3018,16 @@
return std::make_pair(Start, End);
}
+unsigned NewGVN::updateDFSNumbers(unsigned ICount) {
+ for (auto DTN : depth_first(DT->getRootNode())) {
+ BasicBlock *B = DTN->getBlock();
+ const auto &BlockRange = assignDFSNumbers(B, ICount);
+ BlockInstRange.insert({B, BlockRange});
+ ICount += BlockRange.second - BlockRange.first;
+ }
+ return ICount;
+}
+
void NewGVN::updateProcessedCount(const Value *V) {
#ifndef NDEBUG
if (ProcessedCount.count(V) == 0) {
@@ -3455,12 +3466,7 @@
}
// Now a standard depth first ordering of the domtree is equivalent to RPO.
- for (auto *DTN : depth_first(DT->getRootNode())) {
- BasicBlock *B = DTN->getBlock();
- const auto &BlockRange = assignDFSNumbers(B, ICount);
- BlockInstRange.insert({B, BlockRange});
- ICount += BlockRange.second - BlockRange.first;
- }
+ ICount = updateDFSNumbers(ICount);
initializeCongruenceClasses(F);
TouchedInstructions.resize(ICount);
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