Wrap const MDNode * inside DIDescriptor.

[oota-llvm.git] / tools / lto / LTOModule.cpp

diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index e1cf48d3c841fdd7bd2771b5170e7776da623f9b..b269e78237580bc7664114e39af7400ded5c16b4 100644 (file)
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -1,4 +1,4 @@
-//===-LTOModule.cpp - LLVM Link Time Optimizer ----------------------------===//
+//===-- LTOModule.cpp - LLVM Link Time Optimizer --------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -17,18 +17,19 @@
 #include "llvm/Constants.h"
 #include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/Mangler.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/System/Host.h"
 #include "llvm/System/Path.h"
 #include "llvm/System/Process.h"
+#include "llvm/Target/Mangler.h"
 #include "llvm/Target/SubtargetFeature.h"
 #include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCContext.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Target/TargetSelect.h"
@@ -68,14 +69,13 @@ bool LTOModule::isBitcodeFileForTarget(const char* path,
 // takes ownership of buffer
 bool LTOModule::isTargetMatch(MemoryBuffer* buffer, const char* triplePrefix)
 {
-    OwningPtr<ModuleProvider> mp(getBitcodeModuleProvider(buffer,
-                                                          getGlobalContext()));
-    // on success, mp owns buffer and both are deleted at end of this method
-    if (!mp) {
+    OwningPtr<Module> m(getLazyBitcodeModule(buffer, getGlobalContext()));
+    // on success, m owns buffer and both are deleted at end of this method
+    if (!m) {
         delete buffer;
         return false;
     }
-    std::string actualTarget = mp->getModule()->getTargetTriple();
+    std::string actualTarget = m->getTargetTriple();
     return (strncmp(actualTarget.c_str(), triplePrefix, 
                     strlen(triplePrefix)) == 0);
 }
@@ -101,13 +101,13 @@ LTOModule* LTOModule::makeLTOModule(const char* path,
 /// Also if next byte is on a different page, don't assume it is readable.
 MemoryBuffer* LTOModule::makeBuffer(const void* mem, size_t length)
 {
-    const char* startPtr = (char*)mem;
-    const char* endPtr = startPtr+length;
-    if ((((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0) 
-        || (*endPtr != 0)) 
-        return MemoryBuffer::getMemBufferCopy(startPtr, endPtr);
-    else
-        return MemoryBuffer::getMemBuffer(startPtr, endPtr);
+    const char *startPtr = (char*)mem;
+    const char *endPtr = startPtr+length;
+    if (((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0 ||
+        *endPtr != 0) 
+        return MemoryBuffer::getMemBufferCopy(StringRef(startPtr, length));
+  
+    return MemoryBuffer::getMemBuffer(StringRef(startPtr, length));
 }
 
 
@@ -120,27 +120,6 @@ LTOModule* LTOModule::makeLTOModule(const void* mem, size_t length,
     return makeLTOModule(buffer.get(), errMsg);
 }
 
-/// getFeatureString - Return a string listing the features associated with the
-/// target triple.
-///
-/// FIXME: This is an inelegant way of specifying the features of a
-/// subtarget. It would be better if we could encode this information into the
-/// IR. See <rdar://5972456>.
-std::string getFeatureString(const char *TargetTriple) {
-  InitializeAllTargets();
-
-  SubtargetFeatures Features;
-
-  if (strncmp(TargetTriple, "powerpc-apple-", 14) == 0) {
-    Features.AddFeature("altivec", true);
-  } else if (strncmp(TargetTriple, "powerpc64-apple-", 16) == 0) {
-    Features.AddFeature("64bit", true);
-    Features.AddFeature("altivec", true);
-  }
-
-  return Features.getString();
-}
-
 LTOModule* LTOModule::makeLTOModule(MemoryBuffer* buffer,
                                     std::string& errMsg)
 {
@@ -161,7 +140,8 @@ LTOModule* LTOModule::makeLTOModule(MemoryBuffer* buffer,
         return NULL;
 
     // construct LTModule, hand over ownership of module and target
-    std::string FeatureStr = getFeatureString(Triple.c_str());
+    const std::string FeatureStr = 
+        SubtargetFeatures::getDefaultSubtargetFeatures(llvm::Triple(Triple));
     TargetMachine* target = march->createTargetMachine(Triple, FeatureStr);
     return new LTOModule(m.take(), target);
 }
@@ -339,7 +319,7 @@ void LTOModule::addDefinedSymbol(GlobalValue* def, Mangler &mangler,
         return;
 
     // string is owned by _defines
-    const char* symbolName = ::strdup(mangler.getMangledName(def).c_str());
+    const char* symbolName = ::strdup(mangler.getNameWithPrefix(def).c_str());
 
     // set alignment part log2() can have rounding errors
     uint32_t align = def->getAlignment();
@@ -412,7 +392,7 @@ void LTOModule::addPotentialUndefinedSymbol(GlobalValue* decl, Mangler &mangler)
     if (isa<GlobalAlias>(decl))
         return;
 
-    std::string name = mangler.getMangledName(decl);
+    std::string name = mangler.getNameWithPrefix(decl);
 
     // we already have the symbol
     if (_undefines.find(name) != _undefines.end())
@@ -458,15 +438,8 @@ void LTOModule::lazyParseSymbols()
         _symbolsParsed = true;
         
         // Use mangler to add GlobalPrefix to names to match linker names.
-        Mangler mangler(*_module, _target->getMCAsmInfo()->getGlobalPrefix());
-        // add chars used in ObjC method names so method names aren't mangled
-        mangler.markCharAcceptable('[');
-        mangler.markCharAcceptable(']');
-        mangler.markCharAcceptable('(');
-        mangler.markCharAcceptable(')');
-        mangler.markCharAcceptable('-');
-        mangler.markCharAcceptable('+');
-        mangler.markCharAcceptable(' ');
+        MCContext Context(*_target->getMCAsmInfo());
+        Mangler mangler(Context, *_target->getTargetData());
 
         // add functions
         for (Module::iterator f = _module->begin(); f != _module->end(); ++f) {