3 files changed, 56 insertions, 20 deletions

diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 15c52946cf58..80a9d2d714e6 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -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"
@@ -239,7 +240,7 @@ namespace {
       } else if (ACPV->isBlockAddress()) {
         O << *GetBlockAddressSymbol(ACPV->getBlockAddress());
       } else if (ACPV->isGlobalValue()) {
-        GlobalValue *GV = ACPV->getGV();
+        const GlobalValue *GV = ACPV->getGV();
         bool isIndirect = Subtarget->isTargetDarwin() &&
           Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel());
         if (!isIndirect)
@@ -352,7 +353,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
     return;
   case MachineOperand::MO_GlobalAddress: {
     bool isCallOp = Modifier && !strcmp(Modifier, "call");
-    GlobalValue *GV = MO.getGlobal();
+    const GlobalValue *GV = MO.getGlobal();
 
     if ((Modifier && strcmp(Modifier, "lo16") == 0) ||
         (TF & ARMII::MO_LO16))
@@ -504,7 +505,6 @@ void ARMAsmPrinter::printAddrMode2OffsetOperand(const MachineInstr *MI, int Op,
 
   if (!MO1.getReg()) {
     unsigned ImmOffs = ARM_AM::getAM2Offset(MO2.getImm());
-    assert(ImmOffs && "Malformed indexed load / store!");
     O << "#"
       << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()))
       << ImmOffs;
@@ -556,7 +556,6 @@ void ARMAsmPrinter::printAddrMode3OffsetOperand(const MachineInstr *MI, int Op,
   }
 
   unsigned ImmOffs = ARM_AM::getAM3Offset(MO2.getImm());
-  assert(ImmOffs && "Malformed indexed load / store!");
   O << "#"
     << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()))
     << ImmOffs;
@@ -1110,6 +1109,24 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   
   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());
   
@@ -1129,22 +1146,23 @@ void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
       // avoid out-of-range branches that are due a fundamental limitation of
       // the way symbol offsets are encoded with the current Darwin ARM
       // relocations.
-      TargetLoweringObjectFileMachO &TLOFMacho = 
-        static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+      const TargetLoweringObjectFileMachO &TLOFMacho = 
+        static_cast<const TargetLoweringObjectFileMachO &>(
+          getObjFileLowering());
       OutStreamer.SwitchSection(TLOFMacho.getTextSection());
       OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection());
       OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection());
       if (RelocM == Reloc::DynamicNoPIC) {
         const MCSection *sect =
-          TLOFMacho.getMachOSection("__TEXT", "__symbol_stub4",
-                                    MCSectionMachO::S_SYMBOL_STUBS,
-                                    12, SectionKind::getText());
+          OutContext.getMachOSection("__TEXT", "__symbol_stub4",
+                                     MCSectionMachO::S_SYMBOL_STUBS,
+                                     12, SectionKind::getText());
         OutStreamer.SwitchSection(sect);
       } else {
         const MCSection *sect =
-          TLOFMacho.getMachOSection("__TEXT", "__picsymbolstub4",
-                                    MCSectionMachO::S_SYMBOL_STUBS,
-                                    16, SectionKind::getText());
+          OutContext.getMachOSection("__TEXT", "__picsymbolstub4",
+                                     MCSectionMachO::S_SYMBOL_STUBS,
+                                     16, SectionKind::getText());
         OutStreamer.SwitchSection(sect);
       }
     }
@@ -1201,8 +1219,8 @@ void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
 void ARMAsmPrinter::EmitEndOfAsmFile(Module &M) {
   if (Subtarget->isTargetDarwin()) {
     // All darwin targets use mach-o.
-    TargetLoweringObjectFileMachO &TLOFMacho =
-      static_cast<TargetLoweringObjectFileMachO &>(getObjFileLowering());
+    const TargetLoweringObjectFileMachO &TLOFMacho =
+      static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering());
     MachineModuleInfoMachO &MMIMacho =
       MMI->getObjFileInfo<MachineModuleInfoMachO>();
 
diff --git a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
index ef5ead6e473b..ac6331f931fc 100644
--- a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
@@ -18,6 +18,7 @@
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -330,7 +331,6 @@ void ARMInstPrinter::printAddrMode2OffsetOperand(const MCInst *MI,
   
   if (!MO1.getReg()) {
     unsigned ImmOffs = ARM_AM::getAM2Offset(MO2.getImm());
-    assert(ImmOffs && "Malformed indexed load / store!");
     O << '#'
       << ARM_AM::getAddrOpcStr(ARM_AM::getAM2Op(MO2.getImm()))
       << ImmOffs;
@@ -380,7 +380,6 @@ void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
   }
   
   unsigned ImmOffs = ARM_AM::getAM3Offset(MO2.getImm());
-  assert(ImmOffs && "Malformed indexed load / store!");
   O << '#'
     << ARM_AM::getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()))
     << ImmOffs;
@@ -779,3 +778,22 @@ void ARMInstPrinter::printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum,
   O << '#' << MI->getOperand(OpNum).getImm();
 }
 
+void ARMInstPrinter::printHex8ImmOperand(const MCInst *MI, unsigned OpNum,
+                                         raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xff);
+}
+
+void ARMInstPrinter::printHex16ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xffff);
+}
+
+void ARMInstPrinter::printHex32ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xffffffff);
+}
+
+void ARMInstPrinter::printHex64ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm());
+}
diff --git a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.h b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
index dd006fc52e74..be0b7c1eb027 100644
--- a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
+++ b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.h
@@ -104,10 +104,10 @@ public:
   void printNoHashImmediate(const MCInst *MI, unsigned OpNum, raw_ostream &O);
   void printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
   void printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
-  void printHex8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {}
-  void printHex16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {}
-  void printHex32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {}
-  void printHex64ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O) {}
+  void printHex8ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
+  void printHex16ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
+  void printHex32ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
+  void printHex64ImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 
   void printPCLabel(const MCInst *MI, unsigned OpNum, raw_ostream &O);  
   // FIXME: Implement.