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0001 //===- NumericalStabilitySanitizer.h - NSan Pass ---------------*- C++ -*--===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // \file
0010 // This file defines the numerical stability sanitizer (nsan) pass.
0011 //
0012 //===----------------------------------------------------------------------===//
0013 
0014 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_NUMERICALSTABIITYSANITIZER_H
0015 #define LLVM_TRANSFORMS_INSTRUMENTATION_NUMERICALSTABIITYSANITIZER_H
0016 
0017 #include "llvm/IR/PassManager.h"
0018 #include "llvm/Pass.h"
0019 
0020 namespace llvm {
0021 
0022 /// A function pass for nsan instrumentation.
0023 ///
0024 /// Instruments functions to duplicate floating point computations in a
0025 /// higher-precision type.
0026 /// This pass inserts calls to runtime library functions. If the
0027 /// functions aren't declared yet, the pass inserts the declarations.
0028 struct NumericalStabilitySanitizerPass
0029     : public PassInfoMixin<NumericalStabilitySanitizerPass> {
0030   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
0031   static bool isRequired() { return true; }
0032 };
0033 
0034 } // end namespace llvm
0035 
0036 #endif // LLVM_TRANSFORMS_INSTRUMENTATION_NUMERICALSTABIITYSANITIZER_H