X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FLLVMContext.cpp;h=f07f0b3939262db465d801c7ce484a55c40c7ca3;hb=d9b0b025612992a0b724eeca8bdf10b1d7a5c355;hp=3e326050fcaa03194b3988a2349e030eb5850aae;hpb=37da0ad07bfd5e3856ce5d182b27b4c499c03c9a;p=oota-llvm.git

diff --git a/lib/VMCore/LLVMContext.cpp b/lib/VMCore/LLVMContext.cpp
index 3e326050fca..f07f0b39392 100644
--- a/lib/VMCore/LLVMContext.cpp
+++ b/lib/VMCore/LLVMContext.cpp
@@ -17,9 +17,9 @@
 #include "llvm/Constants.h"
 #include "llvm/Instruction.h"
 #include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/ValueHandle.h"
+#include "llvm/Support/SourceMgr.h"
 #include "LLVMContextImpl.h"
-
+#include <cctype>
 using namespace llvm;
 
 static ManagedStatic<LLVMContext> GlobalContext;
@@ -28,22 +28,130 @@ LLVMContext& llvm::getGlobalContext() {
   return *GlobalContext;
 }
 
-LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) { }
+LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) {
+  // Create the fixed metadata kinds. This is done in the same order as the
+  // MD_* enum values so that they correspond.
+
+  // Create the 'dbg' metadata kind.
+  unsigned DbgID = getMDKindID("dbg");
+  assert(DbgID == MD_dbg && "dbg kind id drifted"); (void)DbgID;
+
+  // Create the 'tbaa' metadata kind.
+  unsigned TBAAID = getMDKindID("tbaa");
+  assert(TBAAID == MD_tbaa && "tbaa kind id drifted"); (void)TBAAID;
+
+  // Create the 'prof' metadata kind.
+  unsigned ProfID = getMDKindID("prof");
+  assert(ProfID == MD_prof && "prof kind id drifted"); (void)ProfID;
+
+  // Create the 'fpmath' metadata kind.
+  unsigned FPAccuracyID = getMDKindID("fpmath");
+  assert(FPAccuracyID == MD_fpmath && "fpmath kind id drifted");
+  (void)FPAccuracyID;
+
+  // Create the 'range' metadata kind.
+  unsigned RangeID = getMDKindID("range");
+  assert(RangeID == MD_range && "range kind id drifted");
+  (void)RangeID;
+}
 LLVMContext::~LLVMContext() { delete pImpl; }
 
-GetElementPtrConstantExpr::GetElementPtrConstantExpr
-  (Constant *C,
-   const std::vector<Constant*> &IdxList,
-   const Type *DestTy)
-    : ConstantExpr(DestTy, Instruction::GetElementPtr,
-                   OperandTraits<GetElementPtrConstantExpr>::op_end(this)
-                   - (IdxList.size()+1),
-                   IdxList.size()+1) {
-  OperandList[0] = C;
-  for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
-    OperandList[i+1] = IdxList[i];
-}
-
-MetadataContext &LLVMContext::getMetadata() {
-  return pImpl->TheMetadata;
+void LLVMContext::addModule(Module *M) {
+  pImpl->OwnedModules.insert(M);
+}
+
+void LLVMContext::removeModule(Module *M) {
+  pImpl->OwnedModules.erase(M);
+}
+
+//===----------------------------------------------------------------------===//
+// Recoverable Backend Errors
+//===----------------------------------------------------------------------===//
+
+void LLVMContext::
+setInlineAsmDiagnosticHandler(InlineAsmDiagHandlerTy DiagHandler,
+                              void *DiagContext) {
+  pImpl->InlineAsmDiagHandler = DiagHandler;
+  pImpl->InlineAsmDiagContext = DiagContext;
+}
+
+/// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
+/// setInlineAsmDiagnosticHandler.
+LLVMContext::InlineAsmDiagHandlerTy
+LLVMContext::getInlineAsmDiagnosticHandler() const {
+  return pImpl->InlineAsmDiagHandler;
+}
+
+/// getInlineAsmDiagnosticContext - Return the diagnostic context set by
+/// setInlineAsmDiagnosticHandler.
+void *LLVMContext::getInlineAsmDiagnosticContext() const {
+  return pImpl->InlineAsmDiagContext;
+}
+
+void LLVMContext::emitError(const Twine &ErrorStr) {
+  emitError(0U, ErrorStr);
+}
+
+void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
+  unsigned LocCookie = 0;
+  if (const MDNode *SrcLoc = I->getMetadata("srcloc")) {
+    if (SrcLoc->getNumOperands() != 0)
+      if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
+        LocCookie = CI->getZExtValue();
+  }
+  return emitError(LocCookie, ErrorStr);
+}
+
+void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
+  // If there is no error handler installed, just print the error and exit.
+  if (pImpl->InlineAsmDiagHandler == 0) {
+    errs() << "error: " << ErrorStr << "\n";
+    exit(1);
+  }
+
+  // If we do have an error handler, we can report the error and keep going.
+  SMDiagnostic Diag("", SourceMgr::DK_Error, ErrorStr.str());
+
+  pImpl->InlineAsmDiagHandler(Diag, pImpl->InlineAsmDiagContext, LocCookie);
+}
+
+//===----------------------------------------------------------------------===//
+// Metadata Kind Uniquing
+//===----------------------------------------------------------------------===//
+
+#ifndef NDEBUG
+/// isValidName - Return true if Name is a valid custom metadata handler name.
+static bool isValidName(StringRef MDName) {
+  if (MDName.empty())
+    return false;
+
+  if (!std::isalpha(MDName[0]))
+    return false;
+
+  for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
+       ++I) {
+    if (!std::isalnum(*I) && *I != '_' && *I != '-' && *I != '.')
+      return false;
+  }
+  return true;
+}
+#endif
+
+/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+unsigned LLVMContext::getMDKindID(StringRef Name) const {
+  assert(isValidName(Name) && "Invalid MDNode name");
+
+  // If this is new, assign it its ID.
+  return
+    pImpl->CustomMDKindNames.GetOrCreateValue(
+      Name, pImpl->CustomMDKindNames.size()).second;
+}
+
+/// getHandlerNames - Populate client supplied smallvector using custome
+/// metadata name and ID.
+void LLVMContext::getMDKindNames(SmallVectorImpl<StringRef> &Names) const {
+  Names.resize(pImpl->CustomMDKindNames.size());
+  for (StringMap<unsigned>::const_iterator I = pImpl->CustomMDKindNames.begin(),
+       E = pImpl->CustomMDKindNames.end(); I != E; ++I)
+    Names[I->second] = I->first();
 }