-//===- Pass.cpp - LLVM Pass Infrastructure Impementation ------------------===//
+//===- Pass.cpp - LLVM Pass Infrastructure Implementation -----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file implements the LLVM Pass infrastructure. It is primarily
// responsible with ensuring that passes are executed and batched together
#include "llvm/PassManager.h"
#include "PassManagerT.h" // PassManagerT implementation
#include "llvm/Module.h"
-#include "Support/STLExtras.h"
-#include "Support/TypeInfo.h"
-#include <stdio.h>
-#include <sys/resource.h>
-#include <sys/time.h>
-#include <sys/unistd.h>
+#include "llvm/ModuleProvider.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/TypeInfo.h"
+#include <iostream>
#include <set>
+using namespace llvm;
// IncludeFile - Stub function used to help linking out.
IncludeFile::IncludeFile(void*) {}
// AnalysisID Class Implementation
//
-static std::vector<const PassInfo*> CFGOnlyAnalyses;
+// getCFGOnlyAnalyses - A wrapper around the CFGOnlyAnalyses which make it
+// initializer order independent.
+static std::vector<const PassInfo*> &getCFGOnlyAnalyses() {
+ static std::vector<const PassInfo*> CFGOnlyAnalyses;
+ return CFGOnlyAnalyses;
+}
-void RegisterPassBase::setPreservesCFG() {
- CFGOnlyAnalyses.push_back(PIObj);
+void RegisterPassBase::setOnlyUsesCFG() {
+ getCFGOnlyAnalyses().push_back(PIObj);
}
//===----------------------------------------------------------------------===//
// that only depend on the CFG (like dominators, loop info, etc...)
//
Preserved.insert(Preserved.end(),
- CFGOnlyAnalyses.begin(), CFGOnlyAnalyses.end());
+ getCFGOnlyAnalyses().begin(), getCFGOnlyAnalyses().end());
}
void PassManager::add(Pass *P) { PM->add(P); }
bool PassManager::run(Module &M) { return PM->run(M); }
+//===----------------------------------------------------------------------===//
+// FunctionPassManager implementation - The FunctionPassManager class
+// is a simple Pimpl class that wraps the PassManagerT template. It
+// is like PassManager, but only deals in FunctionPasses.
+//
+FunctionPassManager::FunctionPassManager(ModuleProvider *P) :
+ PM(new PassManagerT<Function>()), MP(P) {}
+FunctionPassManager::~FunctionPassManager() { delete PM; }
+void FunctionPassManager::add(FunctionPass *P) { PM->add(P); }
+void FunctionPassManager::add(ImmutablePass *IP) { PM->add(IP); }
+bool FunctionPassManager::run(Function &F) {
+ try {
+ MP->materializeFunction(&F);
+ } catch (std::string& errstr) {
+ std::cerr << "Error reading bytecode file: " << errstr << "\n";
+ abort();
+ } catch (...) {
+ std::cerr << "Error reading bytecode file!\n";
+ abort();
+ }
+ return PM->run(F);
+}
+
//===----------------------------------------------------------------------===//
// TimingInfo Class - This class is used to calculate information about the
// amount of time each pass takes to execute. This only happens with
// -time-passes is enabled on the command line.
//
-static cl::opt<bool>
-EnableTiming("time-passes",
+bool llvm::TimePassesIsEnabled = false;
+static cl::opt<bool,true>
+EnableTiming("time-passes", cl::location(TimePassesIsEnabled),
cl::desc("Time each pass, printing elapsed time for each on exit"));
-// Create method. If Timing is enabled, this creates and returns a new timing
-// object, otherwise it returns null.
-//
-TimingInfo *TimingInfo::create() {
- return EnableTiming ? new TimingInfo() : 0;
+// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to
+// a non null value (if the -time-passes option is enabled) or it leaves it
+// null. It may be called multiple times.
+void TimingInfo::createTheTimeInfo() {
+ if (!TimePassesIsEnabled || TheTimeInfo) return;
+
+ // Constructed the first time this is called, iff -time-passes is enabled.
+ // This guarantees that the object will be constructed before static globals,
+ // thus it will be destroyed before them.
+ static TimingInfo TTI;
+ TheTimeInfo = &TTI;
}
void PMDebug::PrintArgumentInformation(const Pass *P) {
}
void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
- Pass *P, Annotable *V) {
+ Pass *P, Module *M) {
if (PassDebugging >= Executions) {
std::cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
<< P->getPassName();
- if (V) {
- std::cerr << "' on ";
-
- if (dynamic_cast<Module*>(V)) {
- std::cerr << "Module\n"; return;
- } else if (Function *F = dynamic_cast<Function*>(V))
- std::cerr << "Function '" << F->getName();
- else if (BasicBlock *BB = dynamic_cast<BasicBlock*>(V))
- std::cerr << "BasicBlock '" << BB->getName();
- else if (Value *Val = dynamic_cast<Value*>(V))
- std::cerr << typeid(*Val).name() << " '" << Val->getName();
- }
+ if (M) std::cerr << "' on Module '" << M->getModuleIdentifier() << "'\n";
+ std::cerr << "'...\n";
+ }
+}
+
+void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
+ Pass *P, Function *F) {
+ if (PassDebugging >= Executions) {
+ std::cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
+ << P->getPassName();
+ if (F) std::cerr << "' on Function '" << F->getName();
+ std::cerr << "'...\n";
+ }
+}
+
+void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
+ Pass *P, BasicBlock *BB) {
+ if (PassDebugging >= Executions) {
+ std::cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
+ << P->getPassName();
+ if (BB) std::cerr << "' on BasicBlock '" << BB->getName();
std::cerr << "'...\n";
}
}
std::cerr << std::string(Offset*2, ' ') << getPassName() << "\n";
}
-// getPassName - Use C++ RTTI to get a SOMEWHAT intelligable name for the pass.
+// getPassName - Use C++ RTTI to get a SOMEWHAT intelligible name for the pass.
//
const char *Pass::getPassName() const {
if (const PassInfo *PI = getPassInfo())
return typeid(*this).name();
}
-// print - Print out the internal state of the pass. This is called by Analyse
-// to print out the contents of an analysis. Otherwise it is not neccesary to
+// print - Print out the internal state of the pass. This is called by Analyze
+// to print out the contents of an analysis. Otherwise it is not necessary to
// implement this method.
//
void Pass::print(std::ostream &O) const {
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