[llvm-commits] [llvm] r127470 - in /llvm/trunk/tools/llvm-dis: Makefile llvm-dis.cpp

[Devang Patel]

Author: dpatel
Date: Fri Mar 11 12:07:33 2011
New Revision: 127470

URL: http://llvm.org/viewvc/llvm-project?rev=127470&view=rev
Log:
While printing annotations, print line number and variable name if debug info is present.

Modified:
    llvm/trunk/tools/llvm-dis/Makefile
    llvm/trunk/tools/llvm-dis/llvm-dis.cpp

Modified: llvm/trunk/tools/llvm-dis/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-dis/Makefile?rev=127470&r1=127469&r2=127470&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-dis/Makefile (original)
+++ llvm/trunk/tools/llvm-dis/Makefile Fri Mar 11 12:07:33 2011
@@ -9,7 +9,7 @@
 LEVEL = ../..
 
 TOOLNAME = llvm-dis
-LINK_COMPONENTS := bitreader
+LINK_COMPONENTS := bitreader analysis
 
 # This tool has no plugins, optimize startup time.
 TOOL_NO_EXPORTS = 1

Modified: llvm/trunk/tools/llvm-dis/llvm-dis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-dis/llvm-dis.cpp?rev=127470&r1=127469&r2=127470&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-dis/llvm-dis.cpp (original)
+++ llvm/trunk/tools/llvm-dis/llvm-dis.cpp Fri Mar 11 12:07:33 2011
@@ -19,7 +19,9 @@
 #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"
@@ -50,6 +52,16 @@
 
 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 +70,43 @@
     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() << ']';  // Output # uses
+    }
+    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() << "]";
+      }
+    }
   }
 };