https://github.com/martinboehme created
https://github.com/llvm/llvm-project/pull/91320
We may want code to call this that doesn't know which specific solver
implementation it is dealing with.
>From bdd1d2698f3e592bf4ec33a6ff56be661ff4afb9 Mon Sep 17 00:00:00 2001
From: Martin Braenne <mboe...@google.com>
Date: Tue, 7 May 2024 11:50:41 +0000
Subject: [PATCH] [clang][dataflow] Add `reachedLimit()` to the `Solver`
interface.
We may want code to call this that doesn't know which specific solver
implementation it is dealing with.
---
clang/include/clang/Analysis/FlowSensitive/Solver.h | 3 +++
.../clang/Analysis/FlowSensitive/WatchedLiteralsSolver.h | 3 +--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/clang/include/clang/Analysis/FlowSensitive/Solver.h
b/clang/include/clang/Analysis/FlowSensitive/Solver.h
index 079f6802f241ee..6166a503ab413a 100644
--- a/clang/include/clang/Analysis/FlowSensitive/Solver.h
+++ b/clang/include/clang/Analysis/FlowSensitive/Solver.h
@@ -87,6 +87,9 @@ class Solver {
///
/// All elements in `Vals` must not be null.
virtual Result solve(llvm::ArrayRef<const Formula *> Vals) = 0;
+
+ // Did the solver reach its resource limit?
+ virtual bool reachedLimit() const = 0;
};
llvm::raw_ostream &operator<<(llvm::raw_ostream &, const Solver::Result &);
diff --git a/clang/include/clang/Analysis/FlowSensitive/WatchedLiteralsSolver.h
b/clang/include/clang/Analysis/FlowSensitive/WatchedLiteralsSolver.h
index 5448eecf6d41a2..b5cd7aa10fd7d2 100644
--- a/clang/include/clang/Analysis/FlowSensitive/WatchedLiteralsSolver.h
+++ b/clang/include/clang/Analysis/FlowSensitive/WatchedLiteralsSolver.h
@@ -48,8 +48,7 @@ class WatchedLiteralsSolver : public Solver {
Result solve(llvm::ArrayRef<const Formula *> Vals) override;
- // The solver reached its maximum number of iterations.
- bool reachedLimit() const { return MaxIterations == 0; }
+ bool reachedLimit() const override { return MaxIterations == 0; }
};
} // namespace dataflow
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