Move all of the header files which are involved in modelling the LLVM IR

into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 128 insertions, 0 deletions

diff --git a/include/llvm/IR/Intrinsics.h b/include/llvm/IR/Intrinsics.h
new file mode 100644
index 0000000000..c1fe4c67c4
--- /dev/null
+++ b/include/llvm/IR/Intrinsics.h
@@ -0,0 +1,128 @@
+//===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a set of enums which allow processing of intrinsic
+// functions.  Values of these enum types are returned by
+// Function::getIntrinsicID.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_INTRINSICS_H
+#define LLVM_INTRINSICS_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include <string>
+
+namespace llvm {
+
+class Type;
+class FunctionType;
+class Function;
+class LLVMContext;
+class Module;
+class AttributeSet;
+
+/// Intrinsic Namespace - This namespace contains an enum with a value for
+/// every intrinsic/builtin function known by LLVM.  These enum values are
+/// returned by Function::getIntrinsicID().
+///
+namespace Intrinsic {
+  enum ID {
+    not_intrinsic = 0,   // Must be zero
+
+    // Get the intrinsic enums generated from Intrinsics.td
+#define GET_INTRINSIC_ENUM_VALUES
+#include "llvm/Intrinsics.gen"    
+#undef GET_INTRINSIC_ENUM_VALUES
+    , num_intrinsics
+  };
+  
+  /// Intrinsic::getName(ID) - Return the LLVM name for an intrinsic, such as
+  /// "llvm.ppc.altivec.lvx".
+  std::string getName(ID id, ArrayRef<Type*> Tys = ArrayRef<Type*>());
+  
+  /// Intrinsic::getType(ID) - Return the function type for an intrinsic.
+  ///
+  FunctionType *getType(LLVMContext &Context, ID id,
+                        ArrayRef<Type*> Tys = ArrayRef<Type*>());
+
+  /// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be
+  /// overloaded.
+  bool isOverloaded(ID id);
+
+  /// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic.
+  ///
+  AttributeSet getAttributes(LLVMContext &C, ID id);
+
+  /// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function
+  /// declaration for an intrinsic, and return it.
+  ///
+  /// The Tys and numTys parameters are for intrinsics with overloaded types
+  /// (e.g., those using iAny, fAny, vAny, or iPTRAny). For a declaration for an
+  /// overloaded intrinsic, Tys should point to an array of numTys pointers to
+  /// Type, and must provide exactly one type for each overloaded type in the
+  /// intrinsic.
+  Function *getDeclaration(Module *M, ID id,
+                           ArrayRef<Type*> Tys = ArrayRef<Type*>());
+                           
+  /// Map a GCC builtin name to an intrinsic ID.
+  ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
+  
+  /// IITDescriptor - This is a type descriptor which explains the type
+  /// requirements of an intrinsic.  This is returned by
+  /// getIntrinsicInfoTableEntries.
+  struct IITDescriptor {
+    enum IITDescriptorKind {
+      Void, MMX, Metadata, Float, Double,
+      Integer, Vector, Pointer, Struct,
+      Argument, ExtendVecArgument, TruncVecArgument
+    } Kind;
+    
+    union {
+      unsigned Integer_Width;
+      unsigned Float_Width;
+      unsigned Vector_Width;
+      unsigned Pointer_AddressSpace;
+      unsigned Struct_NumElements;
+      unsigned Argument_Info;
+    };
+    
+    enum ArgKind {
+      AK_AnyInteger,
+      AK_AnyFloat,
+      AK_AnyVector,
+      AK_AnyPointer
+    };
+    unsigned getArgumentNumber() const {
+      assert(Kind == Argument || Kind == ExtendVecArgument || 
+             Kind == TruncVecArgument);
+      return Argument_Info >> 2;
+    }
+    ArgKind getArgumentKind() const {
+      assert(Kind == Argument || Kind == ExtendVecArgument || 
+             Kind == TruncVecArgument);
+      return (ArgKind)(Argument_Info&3);
+    }
+    
+    static IITDescriptor get(IITDescriptorKind K, unsigned Field) {
+      IITDescriptor Result = { K, { Field } };
+      return Result;
+    }
+  };
+  
+  /// getIntrinsicInfoTableEntries - Return the IIT table descriptor for the
+  /// specified intrinsic into an array of IITDescriptors.
+  /// 
+  void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl<IITDescriptor> &T);
+  
+} // End Intrinsic namespace
+
+} // End llvm namespace
+
+#endif