//===----------------------------------------------------------------------===//
#include "llvm/PassManager.h"
+#include "PassManagerT.h" // PassManagerT implementation
#include "llvm/Module.h"
#include "llvm/Function.h"
#include "llvm/BasicBlock.h"
#include "Support/STLExtras.h"
-#include <algorithm>
+#include "Support/CommandLine.h"
+#include <typeinfo>
+#include <iostream>
+#include <sys/time.h>
+#include <stdio.h>
// Source of unique analysis ID #'s.
unsigned AnalysisID::NextID = 0;
}
+// preservesCFG - This function should be called to by the pass, iff they do
+// not:
+//
+// 1. Add or remove basic blocks from the function
+// 2. Modify terminator instructions in any way.
+//
+// This function annotates the AnalysisUsage info object to say that analyses
+// that only depend on the CFG are preserved by this pass.
+//
+void AnalysisUsage::preservesCFG() {
+ // FIXME: implement preservesCFG
+}
+
+
+//===----------------------------------------------------------------------===//
+// PassManager implementation - The PassManager class is a simple Pimpl class
+// that wraps the PassManagerT template.
+//
+PassManager::PassManager() : PM(new PassManagerT<Module>()) {}
+PassManager::~PassManager() { delete PM; }
+void PassManager::add(Pass *P) { PM->add(P); }
+bool PassManager::run(Module *M) { return PM->run(M); }
+
+
+//===----------------------------------------------------------------------===//
+// 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::Flag EnableTiming("time-passes", "Time each pass, printing elapsed"
+ " time for each on exit");
+
+static double getTime() {
+ struct timeval T;
+ gettimeofday(&T, 0);
+ return T.tv_sec + T.tv_usec/1000000.0;
+}
+
+// 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;
+}
+
+void TimingInfo::passStarted(Pass *P) { TimingData[P] -= getTime(); }
+void TimingInfo::passEnded(Pass *P) { TimingData[P] += getTime(); }
+
+// TimingDtor - Print out information about timing information
+TimingInfo::~TimingInfo() {
+ // Iterate over all of the data, converting it into the dual of the data map,
+ // so that the data is sorted by amount of time taken, instead of pointer.
+ //
+ std::vector<pair<double, Pass*> > Data;
+ double TotalTime = 0;
+ for (std::map<Pass*, double>::iterator I = TimingData.begin(),
+ E = TimingData.end(); I != E; ++I)
+ // Throw out results for "grouping" pass managers...
+ if (!dynamic_cast<AnalysisResolver*>(I->first)) {
+ Data.push_back(std::make_pair(I->second, I->first));
+ TotalTime += I->second;
+ }
+
+ // Sort the data by time as the primary key, in reverse order...
+ std::sort(Data.begin(), Data.end(), greater<pair<double, Pass*> >());
+
+ // Print out timing header...
+ cerr << std::string(79, '=') << "\n"
+ << " ... Pass execution timing report ...\n"
+ << std::string(79, '=') << "\n Total Execution Time: " << TotalTime
+ << " seconds\n\n % Time: Seconds:\tPass Name:\n";
+
+ // Loop through all of the timing data, printing it out...
+ for (unsigned i = 0, e = Data.size(); i != e; ++i) {
+ fprintf(stderr, " %6.2f%% %fs\t%s\n", Data[i].first*100 / TotalTime,
+ Data[i].first, Data[i].second->getPassName());
+ }
+ cerr << " 100.00% " << TotalTime << "s\tTOTAL\n"
+ << std::string(79, '=') << "\n";
+}
+
+
+//===----------------------------------------------------------------------===//
// Pass debugging information. Often it is useful to find out what pass is
// running when a crash occurs in a utility. When this library is compiled with
// debugging on, a command line option (--debug-pass) is enabled that causes the
// pass name to be printed before it executes.
//
-#include "Support/CommandLine.h"
-#include <typeinfo>
-#include <iostream>
// Different debug levels that can be enabled...
enum PassDebugLevel {
Pass *P, Annotable *V) {
if (PassDebugging >= PassExecutions) {
std::cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
- << typeid(*P).name();
+ << P->getPassName();
if (V) {
std::cerr << "' on ";
std::cerr << (void*)P << std::string(Depth*2+3, ' ') << Msg << " Analyses:";
for (unsigned i = 0; i != Set.size(); ++i) {
Pass *P = Set[i].createPass(); // Good thing this is just debug code...
- std::cerr << " " << typeid(*P).name();
+ std::cerr << " " << P->getPassName();
delete P;
}
std::cerr << "\n";
// dumpPassStructure - Implement the -debug-passes=PassStructure option
void Pass::dumpPassStructure(unsigned Offset = 0) {
- std::cerr << std::string(Offset*2, ' ') << typeid(*this).name() << "\n";
+ std::cerr << std::string(Offset*2, ' ') << getPassName() << "\n";
}
PM->addPass(this, AU);
}
+
+// getPassName - Use C++ RTTI to get a SOMEWHAT intelligable name for the pass.
+//
+const char *Pass::getPassName() const { return typeid(*this).name(); }
+
//===----------------------------------------------------------------------===//
// FunctionPass Implementation
//
projects / oota-llvm.git / blobdiff