#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
+#include "llvm/Type.h"
+#include "llvm/IntrinsicInst.h"
#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/Analysis/DebugInfo.h"
+#include "llvm/Assembly/AssemblyAnnotationWriter.h"
#include "llvm/Support/CommandLine.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 "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/system_error.h"
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) {
+ OS << "; [#uses=" << F->getNumUses() << ']'; // Output # uses
+ OS << '\n';
+ }
+ void printInfoComment(const Value &V, formatted_raw_ostream &OS) {
+ 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);
+ Padded = true;
+ OS << ";";
+ }
+ OS << " [debug variable = " << Var.getName() << "]";
+ }
+ else if (const DbgValueInst *DVI = dyn_cast<DbgValueInst>(I)) {
+ DIVariable Var(DVI->getVariable());
+ if (!Padded) {
+ OS.PadToColumn(50);
+ Padded = true;
+ 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;
+
+ {
+ OwningPtr<MemoryBuffer> BufferPtr;
+ if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr))
+ ErrorMessage = ec.message();
+ else
+ M.reset(ParseBitcodeFile(BufferPtr.get(), Context, &ErrorMessage));
}
if (M.get() == 0) {
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 = "-";
}
std::string ErrorInfo;
- OwningPtr<tool_output_file>
+ OwningPtr<tool_output_file>
Out(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
raw_fd_ostream::F_Binary));
if (!ErrorInfo.empty()) {
return 1;
}
+ OwningPtr<AssemblyAnnotationWriter> Annotator;
+ if (ShowAnnotations)
+ Annotator.reset(new CommentWriter());
+
// All that llvm-dis does is write the assembly to a file.
if (!DontPrint)
- Out->os() << *M;
+ M->print(Out->os(), Annotator.get());
// Declare success.
Out->keep();