71 lines · cpp
1#include "llvm/IR/Function.h"2#include "llvm/IR/Module.h"3#include "llvm/Pass.h"4#include "llvm/Passes/PassBuilder.h"5#include "llvm/Passes/PassPlugin.h"6#include "llvm/Support/CommandLine.h"7#include "llvm/Support/raw_ostream.h"8 9#include "llvm/Analysis/InlineOrder.h"10 11using namespace llvm;12 13namespace {14 15class NoFooInlineOrder : public InlineOrder<std::pair<CallBase *, int>> {16public:17 NoFooInlineOrder(FunctionAnalysisManager &FAM, const InlineParams &Params,18 ModuleAnalysisManager &MAM, Module &M) {19 DefaultInlineOrder = getDefaultInlineOrder(FAM, Params, MAM, M);20 }21 size_t size() override { return DefaultInlineOrder->size(); }22 void push(const std::pair<CallBase *, int> &Elt) override {23 // We ignore calles named "foo"24 if (Elt.first->getCalledFunction()->getName() == "foo") {25 DefaultInlineOrder->push(Elt);26 }27 }28 std::pair<CallBase *, int> pop() override {29 return DefaultInlineOrder->pop();30 }31 void erase_if(function_ref<bool(std::pair<CallBase *, int>)> Pred) override {32 DefaultInlineOrder->erase_if(Pred);33 }34 35private:36 std::unique_ptr<InlineOrder<std::pair<CallBase *, int>>> DefaultInlineOrder;37};38 39std::unique_ptr<InlineOrder<std::pair<CallBase *, int>>>40NoFooInlineOrderFactory(FunctionAnalysisManager &FAM,41 const InlineParams &Params, ModuleAnalysisManager &MAM,42 Module &M) {43 return std::make_unique<NoFooInlineOrder>(FAM, Params, MAM, M);44}45 46} // namespace47 48/* New PM Registration */49llvm::PassPluginLibraryInfo getDefaultDynamicInlineOrderPluginInfo() {50 return {LLVM_PLUGIN_API_VERSION, "DynamicDefaultInlineOrder",51 LLVM_VERSION_STRING, [](PassBuilder &PB) {52 // We use the PassBuilder's callback mechanism53 // to register our Analysis: this will register54 // our PluginInlineOrderAnalysis instance with55 // the ModuleAnalysisManager56 PB.registerAnalysisRegistrationCallback(57 [](ModuleAnalysisManager &MAM) {58 MAM.registerPass([] {59 // defaultInlineOrderFactory will be60 // used to create an InlineOrder61 return PluginInlineOrderAnalysis(NoFooInlineOrderFactory);62 });63 });64 }};65}66 67extern "C" LLVM_ATTRIBUTE_WEAK ::llvm::PassPluginLibraryInfo68llvmGetPassPluginInfo() {69 return getDefaultDynamicInlineOrderPluginInfo();70}71