[llvm-commits] [llvm] r54891 - in /llvm/trunk: include/llvm/CodeGen/LinkAllCodegenComponents.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp lib/CodeGen/OcamlGCPrinter.cpp

Anton Korobeynikov asl at math.spbu.ru
Sun Aug 17 06:56:03 PDT 2008


Author: asl
Date: Sun Aug 17 08:56:03 2008
New Revision: 54891

URL: http://llvm.org/viewvc/llvm-project?rev=54891&view=rev
Log:
Fix merge error

Added:
    llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp
      - copied, changed from r54890, llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp
Removed:
    llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp
    llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp
Modified:
    llvm/trunk/include/llvm/CodeGen/LinkAllCodegenComponents.h
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

Modified: llvm/trunk/include/llvm/CodeGen/LinkAllCodegenComponents.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/LinkAllCodegenComponents.h?rev=54891&r1=54890&r2=54891&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/LinkAllCodegenComponents.h (original)
+++ llvm/trunk/include/llvm/CodeGen/LinkAllCodegenComponents.h Sun Aug 17 08:56:03 2008
@@ -37,7 +37,6 @@
       (void) llvm::createSimpleRegisterCoalescer();
       
       (void) llvm::createOcamlCollector();
-      (void) llvm::createOcamlMetadataPrinter();
       (void) llvm::createShadowStackCollector();
       
       (void) llvm::createBURRListDAGScheduler(NULL, NULL, NULL, false);

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=54891&r1=54890&r2=54891&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Sun Aug 17 08:56:03 2008
@@ -122,10 +122,6 @@
                                          E = CMM->end(); I != E; ++I)
     if (GCMetadataPrinter *GCP = GetOrCreateGCPrinter(*I))
       GCP->beginAssembly(O, *this, *TAI);
-<<<<<<< HEAD:lib/CodeGen/AsmPrinter.cpp
-=======
-
->>>>>>> Factor out asmprinters from collector interface.:lib/CodeGen/AsmPrinter.cpp
   
   if (!M.getModuleInlineAsm().empty())
     O << TAI->getCommentString() << " Start of file scope inline assembly\n"
@@ -1473,7 +1469,6 @@
 GCMetadataPrinter *AsmPrinter::GetOrCreateGCPrinter(Collector *C) {
   if (!C->usesMetadata())
     return 0;
-<<<<<<< HEAD:lib/CodeGen/AsmPrinter.cpp
   
   gcp_iterator GCPI = GCMetadataPrinters.find(C);
   if (GCPI != GCMetadataPrinters.end())
@@ -1481,15 +1476,6 @@
   
   const char *Name = C->getName().c_str();
   
-=======
-
-  gcp_iterator GCPI = GCMetadataPrinters.find(C);
-  if (GCPI != GCMetadataPrinters.end())
-    return GCPI->second;
-
-  const char *Name = C->getName().c_str();
-
->>>>>>> Factor out asmprinters from collector interface.:lib/CodeGen/AsmPrinter.cpp
   for (GCMetadataPrinterRegistry::iterator
          I = GCMetadataPrinterRegistry::begin(),
          E = GCMetadataPrinterRegistry::end(); I != E; ++I)
@@ -1499,11 +1485,7 @@
       GCMetadataPrinters.insert(std::make_pair(C, GCP));
       return GCP;
     }
-<<<<<<< HEAD:lib/CodeGen/AsmPrinter.cpp
   
-=======
-
->>>>>>> Factor out asmprinters from collector interface.:lib/CodeGen/AsmPrinter.cpp
   cerr << "no GCMetadataPrinter registered for collector: " << Name << "\n";
   abort();
 }

Removed: llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp?rev=54890&view=auto

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCMetadataPrinter.cpp (removed)
@@ -1,157 +0,0 @@
-//===-- OcamlGCMetadataPrinter.cpp - Ocaml frametable emitter -------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements gc metadata printing for the llvm.gc* intrinsics
-// compatible with Objective Caml 3.10.0, which uses a liveness-accurate static
-// stack map.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/Collectors.h"
-#include "llvm/CodeGen/Collector.h"
-#include "llvm/Module.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-
-using namespace llvm;
-
-namespace {
-  class VISIBILITY_HIDDEN OcamlGCMetadataPrinter : public GCMetadataPrinter {
-  public:
-    void beginAssembly(std::ostream &OS, AsmPrinter &AP,
-                       const TargetAsmInfo &TAI);
-    void finishAssembly(std::ostream &OS, AsmPrinter &AP,
-                        const TargetAsmInfo &TAI);
-  };
-}
-
-static GCMetadataPrinterRegistry::Add<OcamlGCMetadataPrinter>
-X("ocaml", "ocaml 3.10-compatible collector");
-
-static void EmitCamlGlobal(const Module &M, std::ostream &OS, AsmPrinter &AP,
-                           const TargetAsmInfo &TAI, const char *Id) {
-  const std::string &MId = M.getModuleIdentifier();
-
-  std::string Mangled;
-  Mangled += TAI.getGlobalPrefix();
-  Mangled += "caml";
-  size_t Letter = Mangled.size();
-  Mangled.append(MId.begin(), std::find(MId.begin(), MId.end(), '.'));
-  Mangled += "__";
-  Mangled += Id;
-
-  // Capitalize the first letter of the module name.
-  Mangled[Letter] = toupper(Mangled[Letter]);
-
-  if (const char *GlobalDirective = TAI.getGlobalDirective())
-    OS << GlobalDirective << Mangled << "\n";
-  OS << Mangled << ":\n";
-}
-
-void OcamlGCMetadataPrinter::beginAssembly(std::ostream &OS, AsmPrinter &AP,
-                                           const TargetAsmInfo &TAI) {
-  AP.SwitchToTextSection(TAI.getTextSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "code_begin");
-
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "data_begin");
-}
-
-/// emitAssembly - Print the frametable. The ocaml frametable format is thus:
-///
-///   extern "C" struct align(sizeof(intptr_t)) {
-///     uint16_t NumDescriptors;
-///     struct align(sizeof(intptr_t)) {
-///       void *ReturnAddress;
-///       uint16_t FrameSize;
-///       uint16_t NumLiveOffsets;
-///       uint16_t LiveOffsets[NumLiveOffsets];
-///     } Descriptors[NumDescriptors];
-///   } caml${module}__frametable;
-///
-/// Note that this precludes programs from stack frames larger than 64K
-/// (FrameSize and LiveOffsets would overflow). FrameTablePrinter will abort if
-/// either condition is detected in a function which uses the collector.
-///
-void OcamlGCMetadataPrinter::finishAssembly(std::ostream &OS, AsmPrinter &AP,
-                                            const TargetAsmInfo &TAI) {
-  const char *AddressDirective;
-  int AddressAlignLog;
-  if (AP.TM.getTargetData()->getPointerSize() == sizeof(int32_t)) {
-    AddressDirective = TAI.getData32bitsDirective();
-    AddressAlignLog = 2;
-  } else {
-    AddressDirective = TAI.getData64bitsDirective();
-    AddressAlignLog = 3;
-  }
-
-  AP.SwitchToTextSection(TAI.getTextSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "code_end");
-
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "data_end");
-
-  OS << AddressDirective << 0; // FIXME: Why does ocaml emit this??
-  AP.EOL();
-
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "frametable");
-
-  for (iterator FI = begin(), FE = end(); FI != FE; ++FI) {
-    CollectorMetadata &MD = **FI;
-
-    OS << "\t" << TAI.getCommentString() << " live roots for "
-       << MD.getFunction().getNameStart() << "\n";
-
-    for (CollectorMetadata::iterator PI = MD.begin(),
-                                     PE = MD.end(); PI != PE; ++PI) {
-
-      uint64_t FrameSize = MD.getFrameSize();
-      if (FrameSize >= 1<<16) {
-        cerr << "Function '" << MD.getFunction().getNameStart()
-             << "' is too large for the ocaml collector! "
-             << "Frame size " << FrameSize << " >= 65536.\n";
-        abort(); // Very rude!
-      }
-
-      size_t LiveCount = MD.live_size(PI);
-      if (LiveCount >= 1<<16) {
-        cerr << "Function '" << MD.getFunction().getNameStart()
-             << "' is too large for the ocaml collector! "
-             << "Live root count " << LiveCount << " >= 65536.\n";
-        abort(); // Very rude!
-      }
-
-      OS << AddressDirective
-         << TAI.getPrivateGlobalPrefix() << "label" << PI->Num;
-      AP.EOL("call return address");
-
-      AP.EmitInt16(FrameSize);
-      AP.EOL("stack frame size");
-
-      AP.EmitInt16(LiveCount);
-      AP.EOL("live root count");
-
-      for (CollectorMetadata::live_iterator LI = MD.live_begin(PI),
-                                            LE = MD.live_end(PI);
-                                            LI != LE; ++LI) {
-        assert(LI->StackOffset < 1<<16 &&
-               "GC root stack offset is outside of fixed stack frame and out "
-               "of range for Ocaml collector!");
-
-        OS << "\t.word\t" << LI->StackOffset;
-        AP.EOL("stack offset");
-      }
-
-      AP.EmitAlignment(AddressAlignLog);
-    }
-  }
-}

Copied: llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp (from r54890, llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp?p2=llvm/trunk/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp&p1=llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp&r1=54890&r2=54891&rev=54891&view=diff

==============================================================================
    (empty)

Removed: llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp?rev=54890&view=auto

==============================================================================
--- llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/OcamlGCPrinter.cpp (removed)
@@ -1,163 +0,0 @@
-//===-- OcamlCollector.cpp - Ocaml frametable emitter ---------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements lowering for the llvm.gc* intrinsics compatible with
-// Objective Caml 3.10.0, which uses a liveness-accurate static stack map.
-//
-//===----------------------------------------------------------------------===//
-                        
-#include "llvm/CodeGen/GCs.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/GCStrategy.h"
-#include "llvm/Module.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-
-using namespace llvm;
-
-namespace {
-
-  class VISIBILITY_HIDDEN OcamlGCMetadataPrinter : public GCMetadataPrinter {
-  public:
-    void beginAssembly(std::ostream &OS, AsmPrinter &AP,
-                       const TargetAsmInfo &TAI);
-    
-    void finishAssembly(std::ostream &OS, AsmPrinter &AP,
-                        const TargetAsmInfo &TAI);
-  };
-  
-}
-
-static GCMetadataPrinterRegistry::Add<OcamlGCMetadataPrinter>
-Y("ocaml", "ocaml 3.10-compatible collector");
-
-GCMetadataPrinter *llvm::createOcamlMetadataPrinter() {
-  return new OcamlGCMetadataPrinter();
-}
-
-static void EmitCamlGlobal(const Module &M, std::ostream &OS, AsmPrinter &AP,
-                           const TargetAsmInfo &TAI, const char *Id) {
-  const std::string &MId = M.getModuleIdentifier();
-  
-  std::string Mangled;
-  Mangled += TAI.getGlobalPrefix();
-  Mangled += "caml";
-  size_t Letter = Mangled.size();
-  Mangled.append(MId.begin(), std::find(MId.begin(), MId.end(), '.'));
-  Mangled += "__";
-  Mangled += Id;
-  
-  // Capitalize the first letter of the module name.
-  Mangled[Letter] = toupper(Mangled[Letter]);
-  
-  if (const char *GlobalDirective = TAI.getGlobalDirective())
-    OS << GlobalDirective << Mangled << "\n";
-  OS << Mangled << ":\n";
-}
-
-void OcamlGCMetadataPrinter::beginAssembly(std::ostream &OS, AsmPrinter &AP,
-                                           const TargetAsmInfo &TAI) {
-  AP.SwitchToTextSection(TAI.getTextSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "code_begin");
-  
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "data_begin");
-}
-
-/// emitAssembly - Print the frametable. The ocaml frametable format is thus:
-/// 
-///   extern "C" struct align(sizeof(intptr_t)) {
-///     uint16_t NumDescriptors;
-///     struct align(sizeof(intptr_t)) {
-///       void *ReturnAddress;
-///       uint16_t FrameSize;
-///       uint16_t NumLiveOffsets;
-///       uint16_t LiveOffsets[NumLiveOffsets];
-///     } Descriptors[NumDescriptors];
-///   } caml${module}__frametable;
-/// 
-/// Note that this precludes programs from stack frames larger than 64K
-/// (FrameSize and LiveOffsets would overflow). FrameTablePrinter will abort if
-/// either condition is detected in a function which uses the collector.
-/// 
-void OcamlGCMetadataPrinter::finishAssembly(std::ostream &OS, AsmPrinter &AP,
-                                            const TargetAsmInfo &TAI) {
-  const char *AddressDirective;
-  int AddressAlignLog;
-  if (AP.TM.getTargetData()->getPointerSize() == sizeof(int32_t)) {
-    AddressDirective = TAI.getData32bitsDirective();
-    AddressAlignLog = 2;
-  } else {
-    AddressDirective = TAI.getData64bitsDirective();
-    AddressAlignLog = 3;
-  }
-
-  AP.SwitchToTextSection(TAI.getTextSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "code_end");
-  
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "data_end");
-  
-  OS << AddressDirective << 0; // FIXME: Why does ocaml emit this??
-  AP.EOL();
-  
-  AP.SwitchToDataSection(TAI.getDataSection());
-  EmitCamlGlobal(getModule(), OS, AP, TAI, "frametable");
-  
-  for (iterator FI = begin(), FE = end(); FI != FE; ++FI) {
-    CollectorMetadata &MD = **FI;
-    
-    OS << "\t" << TAI.getCommentString() << " live roots for "
-       << MD.getFunction().getNameStart() << "\n";
-    
-    for (CollectorMetadata::iterator PI = MD.begin(),
-                                     PE = MD.end(); PI != PE; ++PI) {
-      
-      uint64_t FrameSize = MD.getFrameSize();
-      if (FrameSize >= 1<<16) {
-        cerr << "Function '" << MD.getFunction().getNameStart()
-             << "' is too large for the ocaml collector! "
-             << "Frame size " << FrameSize << " >= 65536.\n";
-        abort(); // Very rude!
-      }
-      
-      size_t LiveCount = MD.live_size(PI);
-      if (LiveCount >= 1<<16) {
-        cerr << "Function '" << MD.getFunction().getNameStart()
-             << "' is too large for the ocaml collector! "
-             << "Live root count " << LiveCount << " >= 65536.\n";
-        abort(); // Very rude!
-      }
-      
-      OS << AddressDirective
-         << TAI.getPrivateGlobalPrefix() << "label" << PI->Num;
-      AP.EOL("call return address");
-      
-      AP.EmitInt16(FrameSize);
-      AP.EOL("stack frame size");
-      
-      AP.EmitInt16(LiveCount);
-      AP.EOL("live root count");
-      
-      for (CollectorMetadata::live_iterator LI = MD.live_begin(PI),
-                                            LE = MD.live_end(PI);
-                                            LI != LE; ++LI) {
-        assert(LI->StackOffset < 1<<16 &&
-               "GC root stack offset is outside of fixed stack frame and out "
-               "of range for Ocaml collector!");
-        
-        OS << "\t.word\t" << LI->StackOffset;
-        AP.EOL("stack offset");
-      }
-      
-      AP.EmitAlignment(AddressAlignLog);
-    }
-  }
-}





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