//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/IR/AssemblyAnnotationWriter.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Type.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/DataStream.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
-#include <memory>
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include <system_error>
using namespace llvm;
static cl::opt<std::string>
static cl::opt<bool>
DontPrint("disable-output", cl::desc("Don't output the .ll file"), cl::Hidden);
+static cl::opt<bool>
+ShowAnnotations("show-annotations",
+ cl::desc("Add informational comments to the .ll file"));
+
+namespace {
+
+static void printDebugLoc(const DebugLoc &DL, formatted_raw_ostream &OS) {
+ OS << DL.getLine() << ":" << DL.getCol();
+ if (MDNode *N = DL.getInlinedAt(getGlobalContext())) {
+ DebugLoc IDL = DebugLoc::getFromDILocation(N);
+ if (!IDL.isUnknown()) {
+ OS << "@";
+ printDebugLoc(IDL,OS);
+ }
+ }
+}
+class CommentWriter : public AssemblyAnnotationWriter {
+public:
+ void emitFunctionAnnot(const Function *F,
+ formatted_raw_ostream &OS) override {
+ OS << "; [#uses=" << F->getNumUses() << ']'; // Output # uses
+ OS << '\n';
+ }
+ void printInfoComment(const Value &V, formatted_raw_ostream &OS) override {
+ bool Padded = false;
+ if (!V.getType()->isVoidTy()) {
+ OS.PadToColumn(50);
+ Padded = true;
+ OS << "; [#uses=" << V.getNumUses() << " type=" << *V.getType() << "]"; // Output # uses and type
+ }
+ if (const Instruction *I = dyn_cast<Instruction>(&V)) {
+ const DebugLoc &DL = I->getDebugLoc();
+ if (!DL.isUnknown()) {
+ if (!Padded) {
+ OS.PadToColumn(50);
+ Padded = true;
+ OS << ";";
+ }
+ OS << " [debug line = ";
+ printDebugLoc(DL,OS);
+ OS << "]";
+ }
+ if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I)) {
+ DIVariable Var(DDI->getVariable());
+ if (!Padded) {
+ OS.PadToColumn(50);
+ OS << ";";
+ }
+ OS << " [debug variable = " << Var.getName() << "]";
+ }
+ else if (const DbgValueInst *DVI = dyn_cast<DbgValueInst>(I)) {
+ DIVariable Var(DVI->getVariable());
+ if (!Padded) {
+ OS.PadToColumn(50);
+ OS << ";";
+ }
+ OS << " [debug variable = " << Var.getName() << "]";
+ }
+ }
+ }
+};
+
+} // end anon namespace
+
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
-
+
LLVMContext &Context = getGlobalContext();
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
-
+
+
cl::ParseCommandLineOptions(argc, argv, "llvm .bc -> .ll disassembler\n");
std::string ErrorMessage;
- std::auto_ptr<Module> M;
-
- if (MemoryBuffer *Buffer
- = MemoryBuffer::getFileOrSTDIN(InputFilename, &ErrorMessage)) {
- M.reset(ParseBitcodeFile(Buffer, Context, &ErrorMessage));
- delete Buffer;
+ std::unique_ptr<Module> M;
+
+ // Use the bitcode streaming interface
+ DataStreamer *Streamer = getDataFileStreamer(InputFilename, &ErrorMessage);
+ if (Streamer) {
+ std::string DisplayFilename;
+ if (InputFilename == "-")
+ DisplayFilename = "<stdin>";
+ else
+ DisplayFilename = InputFilename;
+ ErrorOr<std::unique_ptr<Module>> MOrErr =
+ getStreamedBitcodeModule(DisplayFilename, Streamer, Context);
+ if (std::error_code EC = MOrErr.getError())
+ ErrorMessage = EC.message();
+ else
+ M = std::move(*MOrErr);
+ if(M.get()) {
+ if (std::error_code EC = M->materializeAllPermanently()) {
+ ErrorMessage = EC.message();
+ M.reset();
+ }
+ }
}
- if (M.get() == 0) {
+ if (!M.get()) {
errs() << argv[0] << ": ";
if (ErrorMessage.size())
errs() << ErrorMessage << "\n";
errs() << "bitcode didn't read correctly.\n";
return 1;
}
-
+
// Just use stdout. We won't actually print anything on it.
if (DontPrint)
OutputFilename = "-";
-
+
if (OutputFilename.empty()) { // Unspecified output, infer it.
if (InputFilename == "-") {
OutputFilename = "-";
}
}
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT.
- if (OutputFilename != "-")
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- std::string ErrorInfo;
- std::auto_ptr<raw_fd_ostream>
- Out(new raw_fd_ostream(OutputFilename.c_str(), ErrorInfo,
- raw_fd_ostream::F_Binary));
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
+ std::error_code EC;
+ std::unique_ptr<tool_output_file> Out(
+ new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
return 1;
}
+ std::unique_ptr<AssemblyAnnotationWriter> Annotator;
+ if (ShowAnnotations)
+ Annotator.reset(new CommentWriter());
+
// All that llvm-dis does is write the assembly to a file.
- if (!DontPrint) {
- PassManager Passes;
- Passes.add(createPrintModulePass(Out.get()));
- Passes.run(*M.get());
- }
+ if (!DontPrint)
+ M->print(Out->os(), Annotator.get());
+
+ // Declare success.
+ Out->keep();
return 0;
}
-
projects / oota-llvm.git / blobdiff