[PATCH] D100738: Cache attribute checks
Nick Lewycky via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Apr 18 21:02:02 PDT 2021
nickwasmer created this revision.
nickwasmer added reviewers: dexonsmith, nikic.
nickwasmer added a project: LLVM.
Herald added a subscriber: hiraditya.
nickwasmer requested review of this revision.
Herald added a subscriber: llvm-commits.
As a followup to D99362 <https://reviews.llvm.org/D99362> cache the checks that attributes belong to the same context. Looking for presence in a FoldingSet is slow.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D100738
Files:
llvm/lib/IR/Verifier.cpp
Index: llvm/lib/IR/Verifier.cpp
===================================================================
--- llvm/lib/IR/Verifier.cpp
+++ llvm/lib/IR/Verifier.cpp
@@ -328,6 +328,9 @@
/// Cache of declarations of the llvm.experimental.deoptimize.<ty> intrinsic.
SmallVector<const Function *, 4> DeoptimizeDeclarations;
+ /// Cache of attribute lists verified.
+ SmallPtrSet<const void *, 32> AttributeListsVisited;
+
// Verify that this GlobalValue is only used in this module.
// This map is used to avoid visiting uses twice. We can arrive at a user
// twice, if they have multiple operands. In particular for very large
@@ -1890,14 +1893,16 @@
if (Attrs.isEmpty())
return;
- Assert(Attrs.hasParentContext(Context),
- "Attribute list does not match Module context!", &Attrs);
- for (const auto &AttrSet : Attrs) {
- Assert(!AttrSet.hasAttributes() || AttrSet.hasParentContext(Context),
- "Attribute set does not match Module context!", &AttrSet);
- for (const auto &A : AttrSet) {
- Assert(A.hasParentContext(Context),
- "Attribute does not match Module context!", &A);
+ if (AttributeListsVisited.insert(Attrs.getRawPointer()).second) {
+ Assert(Attrs.hasParentContext(Context),
+ "Attribute list does not match Module context!", &Attrs);
+ for (const auto &AttrSet : Attrs) {
+ Assert(!AttrSet.hasAttributes() || AttrSet.hasParentContext(Context),
+ "Attribute set does not match Module context!", &AttrSet);
+ for (const auto &A : AttrSet) {
+ Assert(A.hasParentContext(Context),
+ "Attribute does not match Module context!", &A);
+ }
}
}
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