LAA: simplify LoopAccessInfoManager::clear (NFC) #125488
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@llvm/pr-subscribers-llvm-analysis Author: Ramkumar Ramachandra (artagnon) ChangesFull diff: https://github.com/llvm/llvm-project/pull/125488.diff 1 Files Affected:
diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
index ac8a35fbc54fb1d..7e4358dc62b1e08 100644
--- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp
+++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp
@@ -3078,20 +3078,16 @@ const LoopAccessInfo &LoopAccessInfoManager::getInfo(Loop &L) {
return *It->second;
}
void LoopAccessInfoManager::clear() {
- SmallVector<Loop *> ToRemove;
// Collect LoopAccessInfo entries that may keep references to IR outside the
// analyzed loop or SCEVs that may have been modified or invalidated. At the
// moment, that is loops requiring memory or SCEV runtime checks, as those cache
// SCEVs, e.g. for pointer expressions.
- for (const auto &[L, LAI] : LoopAccessInfoMap) {
+ for (const auto &[L, LAI] : make_early_inc_range(LoopAccessInfoMap)) {
if (LAI->getRuntimePointerChecking()->getChecks().empty() &&
LAI->getPSE().getPredicate().isAlwaysTrue())
continue;
- ToRemove.push_back(L);
- }
-
- for (Loop *L : ToRemove)
LoopAccessInfoMap.erase(L);
+ }
}
bool LoopAccessInfoManager::invalidate(
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fhahn
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Feb 3, 2025
artagnon
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artagnon
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artagnon
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nikic
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Feb 3, 2025
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LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/30/builds/15143 Here is the relevant piece of the build log for the reference |
Collaborator
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LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/53/builds/11759 Here is the relevant piece of the build log for the reference |
Icohedron
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Feb 11, 2025
DenseMap::erase() doesn't invalidate the iterator.
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DenseMap::erase() doesn't invalidate the iterator.