X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=tools%2Fllvm-dis%2Fllvm-dis.cpp;h=067955e5cc6171513cb218dd8602dee2cbac899c;hb=7172b38af7ed5d1c1e2c97fadfb0ae0c19aff816;hp=43e05d77e004cc43413f15c15de8b7999c074931;hpb=7aa48441911e903803b75dfbcc148fbf80113819;p=oota-llvm.git

diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 43e05d77e00..067955e5cc6 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -16,18 +16,21 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/LLVMContext.h"
 #include "llvm/Assembly/AssemblyAnnotationWriter.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/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/FormattedStream.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/system_error.h"
 using namespace llvm;
 
@@ -50,6 +53,16 @@ ShowAnnotations("show-annotations",
 
 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,
@@ -58,10 +71,41 @@ public:
     OS << '\n';
   }
   void printInfoComment(const Value &V, formatted_raw_ostream &OS) {
-    if (V.getType()->isVoidTy()) return;
-
-    OS.PadToColumn(50);
-    OS << "; [#uses=" << V.getNumUses() << ']';  // Output # uses
+    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() << "]";
+      }
+    }
   }
 };
 
@@ -79,15 +123,22 @@ int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, "llvm .bc -> .ll disassembler\n");
 
   std::string ErrorMessage;
-  error_code ec;
-  std::auto_ptr<Module> M;
-  OwningPtr<MemoryBuffer> BufferPtr;
-
-  if ((ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)))
-    ErrorMessage = ec.message();
-  else
-    M.reset(ParseBitcodeFile(BufferPtr.get(), Context, &ErrorMessage));
-  (void) BufferPtr.take();
+  OwningPtr<Module> M;
+
+  // Use the bitcode streaming interface
+  DataStreamer *streamer = getDataFileStreamer(InputFilename, &ErrorMessage);
+  if (streamer) {
+    std::string DisplayFilename;
+    if (InputFilename == "-")
+      DisplayFilename = "<stdin>";
+    else
+      DisplayFilename = InputFilename;
+    M.reset(getStreamedBitcodeModule(DisplayFilename, streamer, Context,
+                                     &ErrorMessage));
+    if(M.get() != 0 && M->MaterializeAllPermanently(&ErrorMessage)) {
+      M.reset();
+    }
+  }
 
   if (M.get() == 0) {
     errs() << argv[0] << ": ";
@@ -138,4 +189,3 @@ int main(int argc, char **argv) {
 
   return 0;
 }
-