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CFrontend/2003-08-18-SigSetJmp.c with llvm-gcc3. This is part of PR733. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27670 91177308-0d34-0410-b5e6-96231b3b80d8
225 lines
10 KiB
TableGen
225 lines
10 KiB
TableGen
//===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines properties of all LLVM intrinsics.
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//
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//===----------------------------------------------------------------------===//
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include "llvm/CodeGen/ValueTypes.td"
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//===----------------------------------------------------------------------===//
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// Properties we keep track of for intrinsics.
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//===----------------------------------------------------------------------===//
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class IntrinsicProperty;
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// Intr*Mem - Memory properties. An intrinsic is allowed to have exactly one of
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// these properties set. They are listed from the most aggressive (best to use
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// if correct) to the least aggressive. If no property is set, the worst case
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// is assumed (IntrWriteMem).
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// IntrNoMem - The intrinsic does not access memory or have any other side
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// effects. It may be CSE'd deleted if dead, etc.
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def IntrNoMem : IntrinsicProperty;
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// IntrReadArgMem - This intrinsic reads only from memory that one of its
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// arguments points to, but may read an unspecified amount.
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def IntrReadArgMem : IntrinsicProperty;
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// IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be
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// moved across stores. However, it can be reordered otherwise and can be
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// deleted if dead.
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def IntrReadMem : IntrinsicProperty;
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// IntrWriteArgMem - This intrinsic reads and writes only from memory that one
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// of its arguments points to, but may access an unspecified amount. It has no
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// other side effects. This may only be used if the intrinsic doesn't "capture"
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// the argument pointer (e.g. storing it someplace).
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def IntrWriteArgMem : IntrinsicProperty;
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// IntrWriteMem - This intrinsic may read or modify unspecified memory or has
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// other side effects. It cannot be modified by the optimizer. This is the
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// default if the intrinsic has no other Intr*Mem property.
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def IntrWriteMem : IntrinsicProperty;
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//===----------------------------------------------------------------------===//
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// Types used by intrinsics.
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//===----------------------------------------------------------------------===//
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class LLVMType<ValueType vt, string typeval> {
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ValueType VT = vt;
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string TypeVal = typeval;
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}
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class LLVMPackedType<ValueType VT, int numelts, LLVMType elty>
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: LLVMType<VT, "Type::PackedTyID">{
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int NumElts = numelts;
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LLVMType ElTy = elty;
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}
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def llvm_void_ty : LLVMType<isVoid, "Type::VoidTyID">;
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def llvm_bool_ty : LLVMType<i1 , "Type::BoolTyID">;
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def llvm_sbyte_ty : LLVMType<i8 , "Type::SByteTyID">;
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def llvm_short_ty : LLVMType<i16, "Type::ShortTyID">;
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def llvm_int_ty : LLVMType<i32, "Type::IntTyID">;
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def llvm_long_ty : LLVMType<i64, "Type::LongTyID">;
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def llvm_ubyte_ty : LLVMType<i8, "Type::UByteTyID">;
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def llvm_ushort_ty : LLVMType<i16, "Type::UShortTyID">;
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def llvm_uint_ty : LLVMType<i32, "Type::UIntTyID">;
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def llvm_ulong_ty : LLVMType<i64, "Type::ULongTyID">;
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def llvm_float_ty : LLVMType<f32, "Type::FloatTyID">;
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def llvm_double_ty : LLVMType<f64, "Type::DoubleTyID">;
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def llvm_ptr_ty : LLVMType<iPTR, "Type::PointerTyID">; // sbyte*
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def llvm_ptrptr_ty : LLVMType<iPTR, "Type::PointerTyID">; // sbyte**
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def llvm_descriptor_ty : LLVMType<iPTR, "Type::PointerTyID">; // global*
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def llvm_v16i8_ty : LLVMPackedType<v16i8,16, llvm_sbyte_ty>; // 16 x sbyte
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def llvm_v8i16_ty : LLVMPackedType<v8i16, 8, llvm_short_ty>; // 8 x short
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def llvm_v2i64_ty : LLVMPackedType<v2i64, 2, llvm_long_ty>; // 2 x long
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def llvm_v2i32_ty : LLVMPackedType<v2i32, 2, llvm_int_ty>; // 2 x int
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def llvm_v4i32_ty : LLVMPackedType<v4i32, 4, llvm_int_ty>; // 4 x int
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def llvm_v4f32_ty : LLVMPackedType<v4f32, 4, llvm_float_ty>; // 4 x float
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def llvm_v2f64_ty : LLVMPackedType<v2f64, 2, llvm_double_ty>; // 2 x double
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//===----------------------------------------------------------------------===//
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// Intrinsic Definitions.
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//===----------------------------------------------------------------------===//
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// Intrinsic class - This is used to define one LLVM intrinsic. The name of the
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// intrinsic definition should start with "int_", then match the LLVM intrinsic
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// name with the "llvm." prefix removed, and all "."s turned into "_"s. For
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// example, llvm.bswap.i16 -> int_bswap_i16.
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//
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// * Types is a list containing the return type and the argument types
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// expected for the intrinsic.
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// * Properties can be set to describe the behavior of the intrinsic.
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//
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class Intrinsic<list<LLVMType> types,
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list<IntrinsicProperty> properties = [],
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string name = ""> {
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string LLVMName = name;
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string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics.
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list<LLVMType> Types = types;
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list<IntrinsicProperty> Properties = properties;
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}
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/// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
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/// specifies the name of the builtin. This provides automatic CBE and CFE
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/// support.
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class GCCBuiltin<string name> {
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string GCCBuiltinName = name;
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}
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//===--------------- Variable Argument Handling Intrinsics ----------------===//
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//
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def int_vastart : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_start">;
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def int_vacopy : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptrptr_ty], [],
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"llvm.va_copy">;
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def int_vaend : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_end">;
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//===------------------- Garbage Collection Intrinsics --------------------===//
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//
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def int_gcroot : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptr_ty]>;
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def int_gcread : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrReadArgMem]>;
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def int_gcwrite : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_ptrptr_ty], [IntrWriteArgMem]>;
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//===--------------------- Code Generator Intrinsics ----------------------===//
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//
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def int_returnaddress : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [IntrNoMem]>;
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def int_frameaddress : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [IntrNoMem]>;
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def int_stacksave : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>;
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def int_stackrestore : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>;
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def int_prefetch : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
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llvm_uint_ty, llvm_uint_ty]>;
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def int_pcmarker : Intrinsic<[llvm_void_ty, llvm_uint_ty]>;
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def int_readcyclecounter : Intrinsic<[llvm_ulong_ty]>;
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//===------------------- Standard C Library Intrinsics --------------------===//
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//
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let Properties = [IntrWriteArgMem] in {
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def int_memcpy_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_uint_ty, llvm_uint_ty]>;
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def int_memcpy_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_ulong_ty, llvm_uint_ty]>;
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def int_memmove_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_uint_ty, llvm_uint_ty]>;
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def int_memmove_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_ulong_ty, llvm_uint_ty]>;
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def int_memset_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
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llvm_uint_ty, llvm_uint_ty]>;
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def int_memset_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
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llvm_ulong_ty, llvm_uint_ty]>;
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}
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let Properties = [IntrNoMem] in {
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def int_isunordered_f32 : Intrinsic<[llvm_bool_ty,
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llvm_float_ty, llvm_float_ty]>;
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def int_isunordered_f64 : Intrinsic<[llvm_bool_ty,
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llvm_double_ty, llvm_double_ty]>;
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def int_sqrt_f32 : Intrinsic<[llvm_float_ty , llvm_float_ty]>;
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def int_sqrt_f64 : Intrinsic<[llvm_double_ty, llvm_double_ty]>;
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}
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// NOTE: these are internal interfaces.
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def int_setjmp : Intrinsic<[llvm_int_ty , llvm_ptr_ty]>;
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def int_longjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
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def int_sigsetjmp : Intrinsic<[llvm_int_ty , llvm_ptr_ty, llvm_int_ty]>;
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def int_siglongjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
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//===-------------------- Bit Manipulation Intrinsics ---------------------===//
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//
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// None of these intrinsics accesses memory at all.
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let Properties = [IntrNoMem] in {
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def int_bswap_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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def int_bswap_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
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def int_bswap_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
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def int_ctpop_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
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def int_ctpop_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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def int_ctpop_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
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def int_ctpop_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
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def int_ctlz_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
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def int_ctlz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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def int_ctlz_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
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def int_ctlz_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
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def int_cttz_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
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def int_cttz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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def int_cttz_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
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def int_cttz_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
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}
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//===------------------------ Debugger Intrinsics -------------------------===//
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//
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def int_dbg_stoppoint : Intrinsic<[llvm_void_ty,
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llvm_uint_ty, llvm_uint_ty,
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llvm_descriptor_ty]>;
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def int_dbg_region_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
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def int_dbg_region_end : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
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def int_dbg_func_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
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def int_dbg_declare : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
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llvm_descriptor_ty]>;
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//===----------------------------------------------------------------------===//
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// Target-specific intrinsics
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//===----------------------------------------------------------------------===//
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include "llvm/IntrinsicsPowerPC.td"
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include "llvm/IntrinsicsX86.td"
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