[mips][microMIPS] Implement LBU16, LHU16, LW16, SB16, SH16 and SW16 instructions

[oota-llvm.git] / lib / IR / LLVMContext.cpp

diff --git a/lib/IR/LLVMContext.cpp b/lib/IR/LLVMContext.cpp
index 0c922005b7475cc374e994587f160bea6ef57f48..c62bc0936c49d4e6908eb9795b13e8cfb4880f5d 100644 (file)
--- a/lib/IR/LLVMContext.cpp
+++ b/lib/IR/LLVMContext.cpp
@@ -66,6 +66,33 @@ LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) {
   unsigned InvariantLdId = getMDKindID("invariant.load");
   assert(InvariantLdId == MD_invariant_load && "invariant.load kind id drifted");
   (void)InvariantLdId;
+
+  // Create the 'alias.scope' metadata kind.
+  unsigned AliasScopeID = getMDKindID("alias.scope");
+  assert(AliasScopeID == MD_alias_scope && "alias.scope kind id drifted");
+  (void)AliasScopeID;
+
+  // Create the 'noalias' metadata kind.
+  unsigned NoAliasID = getMDKindID("noalias");
+  assert(NoAliasID == MD_noalias && "noalias kind id drifted");
+  (void)NoAliasID;
+
+  // Create the 'nontemporal' metadata kind.
+  unsigned NonTemporalID = getMDKindID("nontemporal");
+  assert(NonTemporalID == MD_nontemporal && "nontemporal kind id drifted");
+  (void)NonTemporalID;
+
+  // Create the 'llvm.mem.parallel_loop_access' metadata kind.
+  unsigned MemParallelLoopAccessID = getMDKindID("llvm.mem.parallel_loop_access");
+  assert(MemParallelLoopAccessID == MD_mem_parallel_loop_access &&
+         "mem_parallel_loop_access kind id drifted");
+  (void)MemParallelLoopAccessID;
+
+
+  // Create the 'nonnull' metadata kind.
+  unsigned NonNullID = getMDKindID("nonnull");
+  assert(NonNullID == MD_nonnull && "nonnull kind id drifted");
+  (void)NonNullID;
 }
 LLVMContext::~LLVMContext() { delete pImpl; }
 
@@ -102,9 +129,11 @@ void *LLVMContext::getInlineAsmDiagnosticContext() const {
 }
 
 void LLVMContext::setDiagnosticHandler(DiagnosticHandlerTy DiagnosticHandler,
-                                       void *DiagnosticContext) {
+                                       void *DiagnosticContext,
+                                       bool RespectFilters) {
   pImpl->DiagnosticHandler = DiagnosticHandler;
   pImpl->DiagnosticContext = DiagnosticContext;
+  pImpl->RespectDiagnosticFilters = RespectFilters;
 }
 
 LLVMContext::DiagnosticHandlerTy LLVMContext::getDiagnosticHandler() const {
@@ -115,6 +144,17 @@ void *LLVMContext::getDiagnosticContext() const {
   return pImpl->DiagnosticContext;
 }
 
+void LLVMContext::setYieldCallback(YieldCallbackTy Callback, void *OpaqueHandle)
+{
+  pImpl->YieldCallback = Callback;
+  pImpl->YieldOpaqueHandle = OpaqueHandle;
+}
+
+void LLVMContext::yield() {
+  if (pImpl->YieldCallback)
+    pImpl->YieldCallback(this, pImpl->YieldOpaqueHandle);
+}
+
 void LLVMContext::emitError(const Twine &ErrorStr) {
   diagnose(DiagnosticInfoInlineAsm(ErrorStr));
 }
@@ -124,12 +164,41 @@ void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
   diagnose(DiagnosticInfoInlineAsm(*I, ErrorStr));
 }
 
+static bool isDiagnosticEnabled(const DiagnosticInfo &DI) {
+  // Optimization remarks are selective. They need to check whether the regexp
+  // pattern, passed via one of the -pass-remarks* flags, matches the name of
+  // the pass that is emitting the diagnostic. If there is no match, ignore the
+  // diagnostic and return.
+  switch (DI.getKind()) {
+  case llvm::DK_OptimizationRemark:
+    if (!cast<DiagnosticInfoOptimizationRemark>(DI).isEnabled())
+      return false;
+    break;
+  case llvm::DK_OptimizationRemarkMissed:
+    if (!cast<DiagnosticInfoOptimizationRemarkMissed>(DI).isEnabled())
+      return false;
+    break;
+  case llvm::DK_OptimizationRemarkAnalysis:
+    if (!cast<DiagnosticInfoOptimizationRemarkAnalysis>(DI).isEnabled())
+      return false;
+    break;
+  default:
+    break;
+  }
+  return true;
+}
+
 void LLVMContext::diagnose(const DiagnosticInfo &DI) {
   // If there is a report handler, use it.
-  if (pImpl->DiagnosticHandler != 0) {
-    pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
+  if (pImpl->DiagnosticHandler) {
+    if (!pImpl->RespectDiagnosticFilters || isDiagnosticEnabled(DI))
+      pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
     return;
   }
+
+  if (!isDiagnosticEnabled(DI))
+    return;
+
   // Otherwise, print the message with a prefix based on the severity.
   std::string MsgStorage;
   raw_string_ostream Stream(MsgStorage);
@@ -156,14 +225,6 @@ void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
   diagnose(DiagnosticInfoInlineAsm(LocCookie, ErrorStr));
 }
 
-void LLVMContext::emitOptimizationRemark(const char *PassName,
-                                         const Function &Fn,
-                                         const DebugLoc &DLoc,
-                                         const Twine &Msg) {
-  if (pImpl->optimizationRemarksEnabledFor(PassName))
-    diagnose(DiagnosticInfoOptimizationRemark(PassName, Fn, DLoc, Msg));
-}
-
 //===----------------------------------------------------------------------===//
 // Metadata Kind Uniquing
 //===----------------------------------------------------------------------===//
@@ -192,9 +253,10 @@ 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;
+  return pImpl->CustomMDKindNames.insert(std::make_pair(
+                                             Name,
+                                             pImpl->CustomMDKindNames.size()))
+      .first->second;
 }
 
 /// getHandlerNames - Populate client supplied smallvector using custome