1 //===- ADCE.h - Aggressive dead code elimination ----------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file provides the interface for the Aggressive Dead Code Elimination 10 // pass. This pass optimistically assumes that all instructions are dead until 11 // proven otherwise, allowing it to eliminate dead computations that other DCE 12 // passes do not catch, particularly involving loop computations. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_TRANSFORMS_SCALAR_ADCE_H 17 #define LLVM_TRANSFORMS_SCALAR_ADCE_H 18 19 #include "llvm/IR/PassManager.h" 20 21 namespace llvm { 22 23 class Function; 24 25 /// A DCE pass that assumes instructions are dead until proven otherwise. 26 /// 27 /// This pass eliminates dead code by optimistically assuming that all 28 /// instructions are dead until proven otherwise. This allows it to eliminate 29 /// dead computations that other DCE passes do not catch, particularly involving 30 /// loop computations. 31 struct ADCEPass : PassInfoMixin<ADCEPass> { 32 PreservedAnalyses run(Function &F, FunctionAnalysisManager &); 33 }; 34 35 } // end namespace llvm 36 37 #endif // LLVM_TRANSFORMS_SCALAR_ADCE_H 38
Indexes created Wed Sep 23 00:26:21 UTC 2026