llvm-6502/include/llvm/Intrinsics.td
Anton Korobeynikov 917c2a6ff2 Implement necessary bits for flt_rounds gcc builtin.
Codegen bits and llvm-gcc support will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44182 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-15 23:25:33 +00:00

277 lines
12 KiB
TableGen

//===- 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> {
ValueType VT = vt;
}
class LLVMPointerType<LLVMType elty>
: LLVMType<iPTR>{
LLVMType ElTy = elty;
}
class LLVMMatchType<int num>
: LLVMType<OtherVT>{
int Number = num;
}
def llvm_void_ty : LLVMType<isVoid>;
def llvm_anyint_ty : LLVMType<iAny>;
def llvm_anyfloat_ty : LLVMType<fAny>;
def llvm_i1_ty : LLVMType<i1>;
def llvm_i8_ty : LLVMType<i8>;
def llvm_i16_ty : LLVMType<i16>;
def llvm_i32_ty : LLVMType<i32>;
def llvm_i64_ty : LLVMType<i64>;
def llvm_float_ty : LLVMType<f32>;
def llvm_double_ty : LLVMType<f64>;
def llvm_f80_ty : LLVMType<f80>;
def llvm_f128_ty : LLVMType<f128>;
def llvm_ppcf128_ty : LLVMType<ppcf128>;
def llvm_ptr_ty : LLVMPointerType<llvm_i8_ty>; // i8*
def llvm_ptrptr_ty : LLVMPointerType<llvm_ptr_ty>; // i8**
def llvm_empty_ty : LLVMType<OtherVT>; // { }
def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>; // { }*
def llvm_v16i8_ty : LLVMType<v16i8>; // 16 x i8
def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16
def llvm_v2i64_ty : LLVMType<v2i64>; // 2 x i64
def llvm_v2i32_ty : LLVMType<v2i32>; // 2 x i32
def llvm_v1i64_ty : LLVMType<v1i64>; // 1 x i64
def llvm_v4i32_ty : LLVMType<v4i32>; // 4 x i32
def llvm_v4f32_ty : LLVMType<v4f32>; // 4 x float
def llvm_v2f64_ty : LLVMType<v2f64>; // 2 x double
// MMX Vector Types
def llvm_v8i8_ty : LLVMType<v8i8>; // 8 x i8
def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16
def llvm_vararg_ty : LLVMType<isVoid>; // this means vararg here
//===----------------------------------------------------------------------===//
// 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]>;
// Note: we treat stacksave/stackrestore as writemem because we don't otherwise
// model their dependencies on allocas.
def int_stacksave : Intrinsic<[llvm_ptr_ty]>,
GCCBuiltin<"__builtin_stack_save">;
def int_stackrestore : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>,
GCCBuiltin<"__builtin_stack_restore">;
// IntrWriteArgMem is more pessimistic than strictly necessary for prefetch,
// however it does conveniently prevent the prefetch from being reordered
// with respect to nearby accesses to the same memory.
def int_prefetch : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
llvm_i32_ty, llvm_i32_ty],
[IntrWriteArgMem]>;
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 : Intrinsic<[llvm_anyfloat_ty, LLVMMatchType<0>]>;
def int_powi : Intrinsic<[llvm_anyfloat_ty, LLVMMatchType<0>, llvm_i32_ty]>;
def int_sin : Intrinsic<[llvm_anyfloat_ty, LLVMMatchType<0>]>;
def int_cos : Intrinsic<[llvm_anyfloat_ty, LLVMMatchType<0>]>;
def int_pow : Intrinsic<[llvm_anyfloat_ty,
LLVMMatchType<0>, LLVMMatchType<0>]>;
}
// 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_anyint_ty, LLVMMatchType<0>]>;
def int_ctpop: Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>]>;
def int_ctlz : Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>]>;
def int_cttz : Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>]>;
def int_part_select :
Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>, llvm_i32_ty, llvm_i32_ty]>;
def int_part_set :
Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>, llvm_anyint_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_i32 : Intrinsic<[llvm_i32_ty, llvm_ptr_ty, llvm_ptr_ty,
llvm_vararg_ty]>;
def int_eh_selector_i64 : Intrinsic<[llvm_i64_ty, llvm_ptr_ty, llvm_ptr_ty,
llvm_vararg_ty]>;
def int_eh_typeid_for_i32 : Intrinsic<[llvm_i32_ty, llvm_ptr_ty]>;
def int_eh_typeid_for_i64 : Intrinsic<[llvm_i64_ty, llvm_ptr_ty]>;
def int_eh_return : Intrinsic<[llvm_void_ty, llvm_i32_ty, llvm_ptr_ty]>,
GCCBuiltin<"__builtin_eh_return">;
def int_eh_unwind_init: Intrinsic<[llvm_void_ty]>,
GCCBuiltin<"__builtin_unwind_init">;
def int_eh_dwarf_cfa : Intrinsic<[llvm_ptr_ty, llvm_i32_ty]>;
//===---------------- Generic Variable Attribute Intrinsics----------------===//
//
def int_var_annotation : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
llvm_ptr_ty, llvm_i32_ty],
[], "llvm.var.annotation">;
def int_annotation : Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>, llvm_ptr_ty,
llvm_ptr_ty, llvm_i32_ty],
[], "llvm.annotation">;
//===------------------------ Trampoline Intrinsics -----------------------===//
//
def int_init_trampoline : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty,
llvm_ptr_ty], []>,
GCCBuiltin<"__builtin_init_trampoline">;
//===-------------------------- Other Intrinsics --------------------------===//
//
def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
GCCBuiltin<"__builtin_flt_rounds">;
//===----------------------------------------------------------------------===//
// Target-specific intrinsics
//===----------------------------------------------------------------------===//
include "llvm/IntrinsicsPowerPC.td"
include "llvm/IntrinsicsX86.td"
include "llvm/IntrinsicsARM.td"