#include "llvm/Module.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Optimizations/AllOpts.h"
-#include "llvm/Transforms/Instrumentation/TraceValues.h"
-#include "llvm/Transforms/PrintModulePass.h"
+#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Transforms/ConstantMerge.h"
+#include "llvm/Transforms/CleanupGCCOutput.h"
+#include "llvm/Transforms/LevelChange.h"
+#include "llvm/Transforms/MethodInlining.h"
+#include "llvm/Transforms/SymbolStripping.h"
+#include "llvm/Transforms/IPO/SimpleStructMutation.h"
+#include "llvm/Transforms/IPO/GlobalDCE.h"
+#include "llvm/Transforms/Scalar/DCE.h"
+#include "llvm/Transforms/Scalar/ConstantProp.h"
+#include "llvm/Transforms/Scalar/InductionVars.h"
+#include "llvm/Transforms/Scalar/IndVarSimplify.h"
+#include "llvm/Transforms/Scalar/InstructionCombining.h"
+#include "llvm/Transforms/Instrumentation/TraceValues.h"
+#include "Support/CommandLine.h"
#include <fstream>
+#include <memory>
+
-using namespace opt;
enum Opts {
// Basic optimizations
- dce, constprop, inlining, mergecons, strip, mstrip,
+ dce, constprop, inlining, constmerge, strip, mstrip,
// Miscellaneous Transformations
- trace, tracem, print,
+ trace, tracem, print, cleangcc,
// More powerful optimizations
- indvars, sccp, adce, raise,
+ indvars, instcombine, sccp, adce, raise,
+
+ // Interprocedural optimizations...
+ globaldce, swapstructs, sortstructs,
};
struct {
enum Opts OptID;
Pass *ThePass;
} OptTable[] = {
- { dce , new opt::DeadCodeElimination() },
- { constprop, new opt::ConstantPropogation() },
- { inlining , new opt::MethodInlining() },
- { mergecons, new ConstantMerge() },
- { strip , new opt::SymbolStripping() },
- { mstrip , new opt::FullSymbolStripping() },
- { indvars , new opt::InductionVariableCannonicalize() },
- { sccp , new opt::SCCPPass() },
- { adce , new opt::AgressiveDCE() },
- { raise , new opt::RaiseRepresentation() },
- { trace , new InsertTraceCode(true, true) },
- { tracem , new InsertTraceCode(false, true) },
- { print , new PrintModulePass("Current Method: \n",&cerr) },
+ { dce , new DeadCodeElimination() },
+ { constprop , new ConstantPropogation() },
+ { inlining , new MethodInlining() },
+ { constmerge , new ConstantMerge() },
+ { strip , new SymbolStripping() },
+ { mstrip , new FullSymbolStripping() },
+ { indvars , new InductionVariableSimplify() },
+ { instcombine, new InstructionCombining() },
+ { sccp , new SCCPPass() },
+ { adce , new AgressiveDCE() },
+ { raise , new RaisePointerReferences() },
+ { trace , new InsertTraceCode(true, true) },
+ { tracem , new InsertTraceCode(false, true) },
+ { print , new PrintMethodPass("Current Method: \n",&cerr) },
+ { cleangcc , new CleanupGCCOutput() },
+ { globaldce , new GlobalDCE() },
+ { swapstructs, new SimpleStructMutation(SimpleStructMutation::SwapElements) },
+ { sortstructs, new SimpleStructMutation(SimpleStructMutation::SortElements) },
};
cl::String InputFilename ("", "Load <arg> file to optimize", cl::NoFlags, "-");
cl::Flag Quiet ("q", "Don't print modifying pass names", 0, false);
cl::Alias QuietA ("quiet", "Alias for -q", cl::NoFlags, Quiet);
cl::EnumList<enum Opts> OptimizationList(cl::NoFlags,
- clEnumVal(dce , "Dead Code Elimination"),
- clEnumVal(constprop, "Simple Constant Propogation"),
- clEnumValN(inlining , "inline", "Method Integration"),
- clEnumVal(mergecons, "Merge identical global constants"),
- clEnumVal(strip , "Strip Symbols"),
- clEnumVal(mstrip , "Strip Module Symbols"),
- clEnumVal(indvars , "Simplify Induction Variables"),
- clEnumVal(sccp , "Sparse Conditional Constant Propogation"),
- clEnumVal(adce , "Agressive DCE"),
- clEnumVal(raise , "Raise to Higher Level"),
- clEnumVal(trace , "Insert BB & Method trace code"),
- clEnumVal(tracem , "Insert Method trace code only"),
- clEnumVal(print , "Print working method to stderr"),
+ clEnumVal(dce , "Dead Code Elimination"),
+ clEnumVal(constprop , "Simple Constant Propogation"),
+ clEnumValN(inlining , "inline", "Method Integration"),
+ clEnumVal(constmerge , "Merge identical global constants"),
+ clEnumVal(strip , "Strip Symbols"),
+ clEnumVal(mstrip , "Strip Module Symbols"),
+ clEnumVal(indvars , "Simplify Induction Variables"),
+ clEnumVal(instcombine, "Simplify Induction Variables"),
+ clEnumVal(sccp , "Sparse Conditional Constant Propogation"),
+ clEnumVal(adce , "Agressive DCE"),
+
+ clEnumVal(globaldce , "Remove unreachable globals"),
+ clEnumVal(swapstructs, "Swap structure types around"),
+ clEnumVal(sortstructs, "Sort structure elements"),
+
+ clEnumVal(cleangcc , "Cleanup GCC Output"),
+ clEnumVal(raise , "Raise to Higher Level"),
+ clEnumVal(trace , "Insert BB & Method trace code"),
+ clEnumVal(tracem , "Insert Method trace code only"),
+ clEnumVal(print , "Print working method to stderr"),
0);
+static void RunOptimization(Module *M, enum Opts Opt) {
+ for (unsigned j = 0; j < sizeof(OptTable)/sizeof(OptTable[0]); ++j)
+ if (Opt == OptTable[j].OptID) {
+ if (OptTable[j].ThePass->run(M) && !Quiet)
+ cerr << OptimizationList.getArgName(Opt)
+ << " pass made modifications!\n";
+ return;
+ }
+
+ cerr << "Optimization tables inconsistent!!\n";
+}
int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv,
" llvm .bc -> .bc modular optimizer\n");
-
- Module *C = ParseBytecodeFile(InputFilename);
- if (C == 0) {
+ std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
+ if (M.get() == 0) {
cerr << "bytecode didn't read correctly.\n";
return 1;
}
- for (unsigned i = 0; i < OptimizationList.size(); ++i) {
- enum Opts Opt = OptimizationList[i];
-
- unsigned j;
- for (j = 0; j < sizeof(OptTable)/sizeof(OptTable[0]); ++j) {
- if (Opt == OptTable[j].OptID) {
- if (OptTable[j].ThePass->run(C) && !Quiet)
- cerr << OptimizationList.getArgName(Opt)
- << " pass made modifications!\n";
- break;
- }
- }
+ PassManager Passes;
- if (j == sizeof(OptTable)/sizeof(OptTable[0]))
- cerr << "Optimization tables inconsistent!!\n";
- }
+ // Run all of the optimizations specified on the command line
+ for (unsigned i = 0; i < OptimizationList.size(); ++i)
+ RunOptimization(M.get(), OptimizationList[i]);
- ostream *Out = &cout; // Default to printing to stdout...
+ std::ostream *Out = &std::cout; // Default to printing to stdout...
if (OutputFilename != "") {
- Out = new ofstream(OutputFilename.c_str(),
- (Force ? 0 : ios::noreplace)|ios::out);
+ if (!Force && !std::ifstream(OutputFilename.c_str())) {
+ // If force is not specified, make sure not to overwrite a file!
+ cerr << "Error opening '" << OutputFilename << "': File exists!\n"
+ << "Use -f command line argument to force output\n";
+ return 1;
+ }
+ Out = new std::ofstream(OutputFilename.c_str());
+
if (!Out->good()) {
cerr << "Error opening " << OutputFilename << "!\n";
- delete C;
return 1;
}
}
// Okay, we're done now... write out result...
- WriteBytecodeToFile(C, *Out);
- delete C;
+ WriteBytecodeToFile(M.get(), *Out);
if (Out != &cout) delete Out;
return 0;
projects / oota-llvm.git / blobdiff