| //===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by Chris Lattner and is distributed under the |
| // University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines properties of all LLVM intrinsics. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/CodeGen/ValueTypes.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Properties we keep track of for intrinsics. |
| //===----------------------------------------------------------------------===// |
| |
| class IntrinsicProperty; |
| |
| // Intr*Mem - Memory properties. An intrinsic is allowed to have exactly one of |
| // these properties set. They are listed from the most aggressive (best to use |
| // if correct) to the least aggressive. If no property is set, the worst case |
| // is assumed (IntrWriteMem). |
| |
| // IntrNoMem - The intrinsic does not access memory or have any other side |
| // effects. It may be CSE'd deleted if dead, etc. |
| def IntrNoMem : IntrinsicProperty; |
| |
| // IntrReadArgMem - This intrinsic reads only from memory that one of its |
| // arguments points to, but may read an unspecified amount. |
| def IntrReadArgMem : IntrinsicProperty; |
| |
| // IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be |
| // moved across stores. However, it can be reordered otherwise and can be |
| // deleted if dead. |
| def IntrReadMem : IntrinsicProperty; |
| |
| // IntrWriteArgMem - This intrinsic reads and writes only from memory that one |
| // of its arguments points to, but may access an unspecified amount. It has no |
| // other side effects. This may only be used if the intrinsic doesn't "capture" |
| // the argument pointer (e.g. storing it someplace). |
| def IntrWriteArgMem : IntrinsicProperty; |
| |
| // IntrWriteMem - This intrinsic may read or modify unspecified memory or has |
| // other side effects. It cannot be modified by the optimizer. This is the |
| // default if the intrinsic has no other Intr*Mem property. |
| def IntrWriteMem : IntrinsicProperty; |
| |
| //===----------------------------------------------------------------------===// |
| // Types used by intrinsics. |
| //===----------------------------------------------------------------------===// |
| |
| class LLVMType<ValueType vt, string typeval> { |
| ValueType VT = vt; |
| string TypeVal = typeval; |
| } |
| |
| class LLVMIntegerType<ValueType VT, int width> |
| : LLVMType<VT, "Type::IntegerTyID"> { |
| int Width = width; |
| } |
| |
| class LLVMVectorType<ValueType VT, int numelts, LLVMType elty> |
| : LLVMType<VT, "Type::VectorTyID">{ |
| int NumElts = numelts; |
| LLVMType ElTy = elty; |
| } |
| |
| class LLVMPointerType<LLVMType elty> |
| : LLVMType<iPTR, "Type::PointerTyID">{ |
| LLVMType ElTy = elty; |
| } |
| |
| class LLVMEmptyStructType |
| : LLVMType<OtherVT, "Type::StructTyID">{ |
| } |
| |
| def llvm_void_ty : LLVMType<isVoid, "Type::VoidTyID">; |
| def llvm_int_ty : LLVMIntegerType<iAny, 0>; |
| def llvm_i1_ty : LLVMIntegerType<i1 , 1>; |
| def llvm_i8_ty : LLVMIntegerType<i8 , 8>; |
| def llvm_i16_ty : LLVMIntegerType<i16, 16>; |
| def llvm_i32_ty : LLVMIntegerType<i32, 32>; |
| def llvm_i64_ty : LLVMIntegerType<i64, 64>; |
| def llvm_float_ty : LLVMType<f32, "Type::FloatTyID">; |
| def llvm_double_ty : LLVMType<f64, "Type::DoubleTyID">; |
| def llvm_ptr_ty : LLVMPointerType<llvm_i8_ty>; // i8* |
| def llvm_ptrptr_ty : LLVMPointerType<llvm_ptr_ty>; // i8** |
| def llvm_empty_ty : LLVMEmptyStructType; // { } |
| def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>; // { }* |
| |
| def llvm_v16i8_ty : LLVMVectorType<v16i8,16, llvm_i8_ty>; // 16 x i8 |
| def llvm_v8i16_ty : LLVMVectorType<v8i16, 8, llvm_i16_ty>; // 8 x i16 |
| def llvm_v2i64_ty : LLVMVectorType<v2i64, 2, llvm_i64_ty>; // 2 x i64 |
| def llvm_v2i32_ty : LLVMVectorType<v2i32, 2, llvm_i32_ty>; // 2 x i32 |
| def llvm_v1i64_ty : LLVMVectorType<v1i64, 1, llvm_i64_ty>; // 1 x i64 |
| def llvm_v4i32_ty : LLVMVectorType<v4i32, 4, llvm_i32_ty>; // 4 x i32 |
| def llvm_v4f32_ty : LLVMVectorType<v4f32, 4, llvm_float_ty>; // 4 x float |
| def llvm_v2f64_ty : LLVMVectorType<v2f64, 2, llvm_double_ty>;// 2 x double |
| |
| // MMX Vector Types |
| def llvm_v8i8_ty : LLVMVectorType<v8i8, 8, llvm_i8_ty>; // 8 x i8 |
| def llvm_v4i16_ty : LLVMVectorType<v4i16, 4, llvm_i16_ty>; // 4 x i16 |
| |
| def llvm_vararg_ty : LLVMType<isVoid, "...">; // vararg |
| |
| //===----------------------------------------------------------------------===// |
| // Intrinsic Definitions. |
| //===----------------------------------------------------------------------===// |
| |
| // Intrinsic class - This is used to define one LLVM intrinsic. The name of the |
| // intrinsic definition should start with "int_", then match the LLVM intrinsic |
| // name with the "llvm." prefix removed, and all "."s turned into "_"s. For |
| // example, llvm.bswap.i16 -> int_bswap_i16. |
| // |
| // * Types is a list containing the return type and the argument types |
| // expected for the intrinsic. |
| // * Properties can be set to describe the behavior of the intrinsic. |
| // |
| class Intrinsic<list<LLVMType> types, |
| list<IntrinsicProperty> properties = [], |
| string name = ""> { |
| string LLVMName = name; |
| string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics. |
| list<LLVMType> Types = types; |
| list<IntrinsicProperty> Properties = properties; |
| } |
| |
| /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this |
| /// specifies the name of the builtin. This provides automatic CBE and CFE |
| /// support. |
| class GCCBuiltin<string name> { |
| string GCCBuiltinName = name; |
| } |
| |
| |
| //===--------------- Variable Argument Handling Intrinsics ----------------===// |
| // |
| |
| def int_vastart : Intrinsic<[llvm_void_ty, llvm_ptr_ty], [], "llvm.va_start">; |
| def int_vacopy : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty], [], |
| "llvm.va_copy">; |
| def int_vaend : Intrinsic<[llvm_void_ty, llvm_ptr_ty], [], "llvm.va_end">; |
| |
| //===------------------- Garbage Collection Intrinsics --------------------===// |
| // |
| def int_gcroot : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptr_ty]>; |
| def int_gcread : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty], |
| [IntrReadArgMem]>; |
| def int_gcwrite : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_ptrptr_ty], [IntrWriteArgMem]>; |
| |
| //===--------------------- Code Generator Intrinsics ----------------------===// |
| // |
| def int_returnaddress : Intrinsic<[llvm_ptr_ty, llvm_i32_ty], [IntrNoMem]>; |
| def int_frameaddress : Intrinsic<[llvm_ptr_ty, llvm_i32_ty], [IntrNoMem]>; |
| def int_stacksave : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>, |
| GCCBuiltin<"__builtin_stack_save">; |
| def int_stackrestore : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>, |
| GCCBuiltin<"__builtin_stack_restore">; |
| def int_prefetch : Intrinsic<[llvm_void_ty, llvm_ptr_ty, |
| llvm_i32_ty, llvm_i32_ty]>; |
| def int_pcmarker : Intrinsic<[llvm_void_ty, llvm_i32_ty]>; |
| |
| def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>; |
| |
| //===------------------- Standard C Library Intrinsics --------------------===// |
| // |
| |
| let Properties = [IntrWriteArgMem] in { |
| def int_memcpy_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_i32_ty, llvm_i32_ty]>; |
| def int_memcpy_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_i64_ty, llvm_i32_ty]>; |
| def int_memmove_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_i32_ty, llvm_i32_ty]>; |
| def int_memmove_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_i64_ty, llvm_i32_ty]>; |
| def int_memset_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i8_ty, |
| llvm_i32_ty, llvm_i32_ty]>; |
| def int_memset_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i8_ty, |
| llvm_i64_ty, llvm_i32_ty]>; |
| } |
| |
| let Properties = [IntrNoMem] in { |
| def int_sqrt_f32 : Intrinsic<[llvm_float_ty , llvm_float_ty]>; |
| def int_sqrt_f64 : Intrinsic<[llvm_double_ty, llvm_double_ty]>; |
| |
| def int_powi_f32 : Intrinsic<[llvm_float_ty , llvm_float_ty, llvm_i32_ty]>; |
| def int_powi_f64 : Intrinsic<[llvm_double_ty, llvm_double_ty, llvm_i32_ty]>; |
| } |
| |
| // NOTE: these are internal interfaces. |
| def int_setjmp : Intrinsic<[llvm_i32_ty , llvm_ptr_ty]>; |
| def int_longjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i32_ty]>; |
| def int_sigsetjmp : Intrinsic<[llvm_i32_ty , llvm_ptr_ty, llvm_i32_ty]>; |
| def int_siglongjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i32_ty]>; |
| |
| //===-------------------- Bit Manipulation Intrinsics ---------------------===// |
| // |
| |
| // None of these intrinsics accesses memory at all. |
| let Properties = [IntrNoMem] in { |
| def int_bswap: Intrinsic<[llvm_int_ty, llvm_int_ty]>; |
| def int_ctpop: Intrinsic<[llvm_i32_ty, llvm_int_ty]>; |
| def int_ctlz : Intrinsic<[llvm_i32_ty, llvm_int_ty]>; |
| def int_cttz : Intrinsic<[llvm_i32_ty, llvm_int_ty]>; |
| def int_part_select : |
| Intrinsic<[llvm_int_ty, llvm_int_ty, llvm_i32_ty, llvm_i32_ty]>; |
| def int_part_set : |
| Intrinsic<[llvm_int_ty, llvm_int_ty, llvm_int_ty, llvm_i32_ty, |
| llvm_i32_ty]>; |
| } |
| |
| //===------------------------ Debugger Intrinsics -------------------------===// |
| // |
| |
| def int_dbg_stoppoint : Intrinsic<[llvm_void_ty, |
| llvm_i32_ty, llvm_i32_ty, |
| llvm_descriptor_ty]>; |
| def int_dbg_region_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>; |
| def int_dbg_region_end : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>; |
| def int_dbg_func_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>; |
| def int_dbg_declare : Intrinsic<[llvm_void_ty, llvm_descriptor_ty, |
| llvm_descriptor_ty]>; |
| |
| //===------------------ Exception Handling Intrinsics----------------------===// |
| // |
| def int_eh_exception : Intrinsic<[llvm_ptr_ty]>; |
| def int_eh_selector : Intrinsic<[llvm_i32_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_vararg_ty]>; |
| def int_eh_filter : Intrinsic<[llvm_i32_ty, llvm_ptr_ty, llvm_ptr_ty, |
| llvm_vararg_ty]>; |
| def int_eh_typeid_for : Intrinsic<[llvm_i32_ty, llvm_ptr_ty]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Target-specific intrinsics |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/IntrinsicsPowerPC.td" |
| include "llvm/IntrinsicsX86.td" |