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src/IceIntrinsics.h

 //===- subzero/src/IceIntrinsics.h - List of Ice Intrinsics -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 44 matching lines @@
     Memmove,
     Memset,
     NaClReadTP,
     Setjmp,
     Sqrt,
     Stacksave,
     Stackrestore,
     Trap
   };
 
-  /// Operations that can be represented by the AtomicRMW
-  /// intrinsic.
+  /// Operations that can be represented by the AtomicRMW intrinsic.
   ///
-  /// Do not reorder these values: their order offers forward
-  /// compatibility of bitcode targeted to PNaCl.
+  /// Do not reorder these values: their order offers forward compatibility of
+  /// bitcode targeted to PNaCl.
   enum AtomicRMWOperation {
     AtomicInvalid = 0, // Invalid, keep first.
     AtomicAdd,
     AtomicSub,
     AtomicOr,
     AtomicAnd,
     AtomicXor,
     AtomicExchange,
     AtomicNum // Invalid, keep last.
   };
 
   /// Memory orderings supported by PNaCl IR.
   ///
-  /// Do not reorder these values: their order offers forward
-  /// compatibility of bitcode targeted to PNaCl.
+  /// Do not reorder these values: their order offers forward compatibility of
+  /// bitcode targeted to PNaCl.
   enum MemoryOrder {
     MemoryOrderInvalid = 0, // Invalid, keep first.
     MemoryOrderRelaxed,
     MemoryOrderConsume,
     MemoryOrderAcquire,
     MemoryOrderRelease,
     MemoryOrderAcquireRelease,
     MemoryOrderSequentiallyConsistent,
     MemoryOrderNum // Invalid, keep last.
   };
 
-  /// Verify memory ordering rules for atomic intrinsics.  For
-  /// AtomicCmpxchg, Order is the "success" ordering and OrderOther is
-  /// the "failure" ordering.  Returns true if valid, false if invalid.
-  // TODO(stichnot,kschimpf): Perform memory order validation in the
-  // bitcode reader/parser, allowing LLVM and Subzero to share.  See
+  /// Verify memory ordering rules for atomic intrinsics. For AtomicCmpxchg,
+  /// Order is the "success" ordering and OrderOther is the "failure" ordering.
+  /// Returns true if valid, false if invalid.
+  // TODO(stichnot,kschimpf): Perform memory order validation in the bitcode
+  // reader/parser, allowing LLVM and Subzero to share. See
   // https://code.google.com/p/nativeclient/issues/detail?id=4126 .
   static bool isMemoryOrderValid(IntrinsicID ID, uint64_t Order,
                                  uint64_t OrderOther = MemoryOrderInvalid);
 
   enum SideEffects { SideEffects_F = 0, SideEffects_T = 1 };
 
   enum ReturnsTwice { ReturnsTwice_F = 0, ReturnsTwice_T = 1 };
 
-  /// Basic attributes related to each intrinsic, that are relevant to
-  /// code generation. Perhaps the attributes representation can be shared
-  /// with general function calls, but PNaCl currently strips all
-  /// attributes from functions.
+  /// Basic attributes related to each intrinsic, that are relevant to code
+  /// generation. Perhaps the attributes representation can be shared with
+  /// general function calls, but PNaCl currently strips all attributes from
+  /// functions.
   struct IntrinsicInfo {
     enum IntrinsicID ID : 30;
     enum SideEffects HasSideEffects : 1;
     enum ReturnsTwice ReturnsTwice : 1;
   };
 
   /// The types of validation values for FullIntrinsicInfo.validateCall.
   enum ValidateCallValue {
     IsValidCall,      /// Valid use of instrinsic call.
     BadReturnType,    /// Return type invalid for intrinsic.
     WrongNumOfArgs,   /// Wrong number of arguments for intrinsic.
     WrongCallArgType, /// Argument of wrong type.
   };
 
   /// The complete set of information about an intrinsic.
   struct FullIntrinsicInfo {
     struct IntrinsicInfo Info; /// Information that CodeGen would care about.
 
     // Sanity check during parsing.
     Type Signature[kMaxIntrinsicParameters];
     uint8_t NumTypes;
 
-    /// Validates that type signature of call matches intrinsic.
-    /// If WrongArgumentType is returned, ArgIndex is set to corresponding
-    /// argument index.
+    /// Validates that type signature of call matches intrinsic. If
+    /// WrongArgumentType is returned, ArgIndex is set to corresponding argument
+    /// index.
     ValidateCallValue validateCall(const Ice::InstCall *Call,
                                    SizeT &ArgIndex) const;
 
     /// Returns the return type of the intrinsic.
     Type getReturnType() const {
       assert(NumTypes > 0);
       return Signature[0];
     }
 
     /// Returns number of arguments expected.
     SizeT getNumArgs() const {
       assert(NumTypes > 0);
       return NumTypes - 1;
     }
 
     /// Returns type of Index-th argument.
     Type getArgType(SizeT Index) const;
   };
 
-  /// Find the information about a given intrinsic, based on function name.  If
+  /// Find the information about a given intrinsic, based on function name. If
   /// the function name does not have the common "llvm." prefix, nullptr is
-  /// returned and Error is set to false.  Otherwise, tries to find a reference
-  /// to a FullIntrinsicInfo entry (valid for the lifetime of the map).  If
-  /// found, sets Error to false and returns the reference.  If not found, sets
+  /// returned and Error is set to false. Otherwise, tries to find a reference
+  /// to a FullIntrinsicInfo entry (valid for the lifetime of the map). If
+  /// found, sets Error to false and returns the reference. If not found, sets
   /// Error to true and returns nullptr (indicating an unknown "llvm.foo"
   /// intrinsic).
   const FullIntrinsicInfo *find(const IceString &Name, bool &Error) const;
 
 private:
   // TODO(jvoung): May want to switch to something like LLVM's StringMap.
   using IntrinsicMap = std::map<IceString, FullIntrinsicInfo>;
   IntrinsicMap Map;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINTRINSICS_H