IR: Declare LookupKey right before its use, NFC

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

diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index 2df302cd672820c3a98054cdacc121924ccd649e..a621f71a7f56b77c893f9fc6a921eebf6471c9a3 100644 (file)
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -720,9 +720,9 @@ DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
 }
 
 /// createSubroutineType - Create subroutine type.
-DICompositeType DIBuilder::createSubroutineType(DIFile File,
-                                                DIArray ParameterTypes,
-                                                unsigned Flags) {
+DISubroutineType DIBuilder::createSubroutineType(DIFile File,
+                                                 DITypeArray ParameterTypes,
+                                                 unsigned Flags) {
   // TAG_subroutine_type is encoded in DICompositeType format.
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
@@ -741,7 +741,7 @@ DICompositeType DIBuilder::createSubroutineType(DIFile File,
     nullptr,
     nullptr  // Type Identifer
   };
-  return DICompositeType(MDNode::get(VMContext, Elts));
+  return DISubroutineType(MDNode::get(VMContext, Elts));
 }
 
 /// createEnumerationType - Create debugging information entry for an
@@ -875,11 +875,8 @@ void DIBuilder::retainType(DIType T) {
 
 /// createUnspecifiedParameter - Create unspeicified type descriptor
 /// for the subroutine type.
-DITrivialType DIBuilder::createUnspecifiedParameter() {
-  Value *Elts[] = {
-    GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters)
-  };
-  return DITrivialType(MDNode::get(VMContext, Elts));
+DIBasicType DIBuilder::createUnspecifiedParameter() {
+  return DIBasicType();
 }
 
 /// createForwardDecl - Create a temporary forward-declared type that
@@ -956,6 +953,18 @@ DIArray DIBuilder::getOrCreateArray(ArrayRef<Value *> Elements) {
   return DIArray(MDNode::get(VMContext, Elements));
 }
 
+/// getOrCreateTypeArray - Get a DITypeArray, create one if required.
+DITypeArray DIBuilder::getOrCreateTypeArray(ArrayRef<Value *> Elements) {
+  SmallVector<llvm::Value *, 16> Elts; 
+  for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
+    if (Elements[i] && isa<MDNode>(Elements[i]))
+      Elts.push_back(DIType(cast<MDNode>(Elements[i])).getRef());
+    else
+      Elts.push_back(Elements[i]);
+  }
+  return DITypeArray(MDNode::get(VMContext, Elts));
+}
+
 /// getOrCreateSubrange - Create a descriptor for a value range.  This
 /// implicitly uniques the values returned.
 DISubrange DIBuilder::getOrCreateSubrange(int64_t Lo, int64_t Count) {
@@ -1091,6 +1100,28 @@ DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope,
   return DIVariable(MDNode::get(VMContext, Elts));
 }
 
+/// createVariablePiece - Create a descriptor to describe one part
+/// of aggregate variable that is fragmented across multiple Values.
+DIVariable DIBuilder::createVariablePiece(DIVariable Variable,
+                                          unsigned OffsetInBytes,
+                                          unsigned SizeInBytes) {
+  assert(SizeInBytes > 0 && "zero-size piece");
+  Value *Addr[] = {
+    ConstantInt::get(Type::getInt32Ty(VMContext), OpPiece),
+    ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBytes),
+    ConstantInt::get(Type::getInt32Ty(VMContext), SizeInBytes)
+  };
+
+  assert((Variable->getNumOperands() == 8 || Variable.isVariablePiece()) &&
+         "variable already has a complex address");
+  SmallVector<Value *, 9> Elts;
+  for (unsigned i = 0; i < 8; ++i)
+    Elts.push_back(Variable->getOperand(i));
+
+  Elts.push_back(MDNode::get(VMContext, Addr));
+  return DIVariable(MDNode::get(VMContext, Elts));
+}
+
 /// createFunction - Create a new descriptor for the specified function.
 /// FIXME: this is added for dragonegg. Once we update dragonegg
 /// to call resolve function, this will be removed.