[llvm-commits] [llvm] r102373 - /llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp

[Dale Johannesen]

Author: johannes
Date: Mon Apr 26 15:07:31 2010
New Revision: 102373

URL: http://llvm.org/viewvc/llvm-project?rev=102373&view=rev
Log:
Handle target-specific form of DBG_VALUE in AsmPrinter.


Modified:
    llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp

Modified: llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp?rev=102373&r1=102372&r2=102373&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp Mon Apr 26 15:07:31 2010
@@ -21,6 +21,7 @@
 #include "ARMMachineFunctionInfo.h"
 #include "ARMMCInstLower.h"
 #include "ARMTargetMachine.h"
+#include "llvm/Analysis/DebugInfo.h"
 #include "llvm/Constants.h"
 #include "llvm/Module.h"
 #include "llvm/Type.h"
@@ -1108,6 +1109,24 @@
   
   SmallString<128> Str;
   raw_svector_ostream OS(Str);
+  if (MI->getOpcode() == ARM::DBG_VALUE) {
+    unsigned NOps = MI->getNumOperands();
+    assert(NOps==4);
+    OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
+    // cast away const; DIetc do not take const operands for some reason.
+    DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
+    OS << V.getName();
+    OS << " <- ";
+    // Frame address.  Currently handles register +- offset only.
+    assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm());
+    OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS);
+    OS << ']';
+    OS << "+";
+    printOperand(MI, NOps-2, OS);
+    OutStreamer.EmitRawText(OS.str());
+    return;
+  }
+
   printInstruction(MI, OS);
   OutStreamer.EmitRawText(OS.str());