52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===- BoundsChecking.h - Bounds checking instrumentation -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_BOUNDSCHECKING_H
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#define LLVM_TRANSFORMS_INSTRUMENTATION_BOUNDSCHECKING_H
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#include "llvm/IR/PassManager.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/TargetParser/Triple.h"
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#include <optional>
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namespace llvm {
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class Function;
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/// A pass to instrument code and perform run-time bounds checking on loads,
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/// stores, and other memory intrinsics.
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class BoundsCheckingPass : public RequiredPassInfoMixin<BoundsCheckingPass> {
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public:
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struct Options {
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struct Runtime {
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Runtime(bool MinRuntime, bool MayReturn, bool HandlerPreserveAllRegs)
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: MinRuntime(MinRuntime), MayReturn(MayReturn),
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HandlerPreserveAllRegs(HandlerPreserveAllRegs) {}
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bool MinRuntime;
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bool MayReturn;
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bool HandlerPreserveAllRegs;
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};
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std::optional<Runtime> Rt; // Trap if empty.
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bool Merge = false;
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std::optional<int8_t> GuardKind; // `allow_ubsan_check` argument.
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};
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BoundsCheckingPass(Options Opts) : Opts(Opts) {}
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LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
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LLVM_ABI void
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printPipeline(raw_ostream &OS,
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function_ref<StringRef(StringRef)> MapClassName2PassName);
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private:
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Options Opts;
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};
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} // end namespace llvm
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#endif // LLVM_TRANSFORMS_INSTRUMENTATION_BOUNDSCHECKING_H
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