1 //===- SCCP.h - Sparse Conditional Constant Propagation ---------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This pass implements interprocedural sparse conditional constant 11 // propagation and merging. 12 // 13 // Specifically, this: 14 // * Assumes values are constant unless proven otherwise 15 // * Assumes BasicBlocks are dead unless proven otherwise 16 // * Proves values to be constant, and replaces them with constants 17 // * Proves conditional branches to be unconditional 18 // 19 //===----------------------------------------------------------------------===// 20 21 #ifndef LLVM_TRANSFORMS_IPO_SCCP_H 22 #define LLVM_TRANSFORMS_IPO_SCCP_H 23 24 #include "llvm/IR/Module.h" 25 #include "llvm/IR/PassManager.h" 26 27 namespace llvm { 28 /// Pass to perform interprocedural constant propagation. 29 class IPSCCPPass : public PassInfoMixin<IPSCCPPass> { 30 public: 31 PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); 32 }; 33 } 34 #endif // LLVM_TRANSFORMS_IPO_SCCP_H 35
