| //===- llvm/Analysis/FunctionTargetTransformInfo.h --------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This pass wraps a TargetTransformInfo in a FunctionPass so that it can |
| // forward along the current Function so that we can make target specific |
| // decisions based on the particular subtarget specified for each Function. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/InitializePasses.h" |
| #include "llvm/Analysis/FunctionTargetTransformInfo.h" |
| |
| using namespace llvm; |
| |
| #define DEBUG_TYPE "function-tti" |
| static const char ftti_name[] = "Function TargetTransformInfo"; |
| INITIALIZE_PASS_BEGIN(FunctionTargetTransformInfo, "function_tti", ftti_name, false, true) |
| INITIALIZE_AG_DEPENDENCY(TargetTransformInfo) |
| INITIALIZE_PASS_END(FunctionTargetTransformInfo, "function_tti", ftti_name, false, true) |
| char FunctionTargetTransformInfo::ID = 0; |
| |
| namespace llvm { |
| FunctionPass *createFunctionTargetTransformInfoPass() { |
| return new FunctionTargetTransformInfo(); |
| } |
| } |
| |
| FunctionTargetTransformInfo::FunctionTargetTransformInfo() |
| : FunctionPass(ID), Fn(nullptr), TTI(nullptr) { |
| initializeFunctionTargetTransformInfoPass(*PassRegistry::getPassRegistry()); |
| } |
| |
| void FunctionTargetTransformInfo::getAnalysisUsage(AnalysisUsage &AU) const { |
| AU.setPreservesAll(); |
| AU.addRequired<TargetTransformInfo>(); |
| } |
| |
| void FunctionTargetTransformInfo::releaseMemory() {} |
| |
| bool FunctionTargetTransformInfo::runOnFunction(Function &F) { |
| Fn = &F; |
| TTI = &getAnalysis<TargetTransformInfo>(); |
| return false; |
| } |