1 //===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by Chris Lattner and is distributed under the
6 // University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines properties of all LLVM intrinsics.
12 //===----------------------------------------------------------------------===//
14 include "llvm/CodeGen/ValueTypes.td"
16 //===----------------------------------------------------------------------===//
17 // Properties we keep track of for intrinsics.
18 //===----------------------------------------------------------------------===//
20 class IntrinsicProperty;
22 // Intr*Mem - Memory properties. An intrinsic is allowed to have exactly one of
23 // these properties set. They are listed from the most aggressive (best to use
24 // if correct) to the least aggressive. If no property is set, the worst case
25 // is assumed (IntrWriteMem).
27 // InstrNoMem - The intrinsic does not access memory or have any other side
28 // effects. It may be CSE'd deleted if dead, etc.
29 def InstrNoMem : IntrinsicProperty;
31 // InstrReadArgMem - This intrinsic reads only from memory that one of its
32 // arguments points to, but may read an unspecified amount.
33 def InstrReadArgMem : IntrinsicProperty;
35 // IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be
36 // moved across stores. However, it can be reordered otherwise and can be
38 def IntrReadMem : IntrinsicProperty;
40 // InstrWriteArgMem - This intrinsic reads and writes only from memory that one
41 // of its arguments points to, but may access an unspecified amount. It has no
42 // other side effects. This may only be used if the intrinsic doesn't "capture"
43 // the argument pointer (e.g. storing it someplace).
44 def InstrWriteArgMem : IntrinsicProperty;
46 // IntrWriteMem - This intrinsic may read or modify unspecified memory or has
47 // other side effects. It cannot be modified by the optimizer. This is the
48 // default if the intrinsic has no other Intr*Mem property.
49 def IntrWriteMem : IntrinsicProperty;
51 //===----------------------------------------------------------------------===//
52 // Types used by intrinsics.
53 //===----------------------------------------------------------------------===//
55 class LLVMType<string typeval> {
56 string TypeVal = typeval;
59 class LLVMPackedType<int numelts, LLVMType elty> : LLVMType<"Type::PackedTyID">{
60 int NumElts = numelts;
64 def llvm_void_ty : LLVMType<"Type::VoidTyID">;
65 def llvm_bool_ty : LLVMType<"Type::BoolTyID">;
66 def llvm_sbyte_ty : LLVMType<"Type::SByteTyID">;
67 def llvm_short_ty : LLVMType<"Type::ShortTyID">;
68 def llvm_int_ty : LLVMType<"Type::IntTyID">;
69 def llvm_long_ty : LLVMType<"Type::LongTyID">;
70 def llvm_ubyte_ty : LLVMType<"Type::UByteTyID">;
71 def llvm_ushort_ty : LLVMType<"Type::UShortTyID">;
72 def llvm_uint_ty : LLVMType<"Type::UIntTyID">;
73 def llvm_ulong_ty : LLVMType<"Type::ULongTyID">;
74 def llvm_float_ty : LLVMType<"Type::FloatTyID">;
75 def llvm_double_ty : LLVMType<"Type::DoubleTyID">;
76 def llvm_ptr_ty : LLVMType<"Type::PointerTyID">; // sbyte*
77 def llvm_ptrptr_ty : LLVMType<"Type::PointerTyID">; // sbyte**
78 def llvm_descriptor_ty : LLVMType<"Type::PointerTyID">; // global*
80 def llvm_v4i32_ty : LLVMPackedType<4, llvm_int_ty>; // 4 x int
81 def llvm_v4f32_ty : LLVMPackedType<4, llvm_float_ty>; // 4 x float
82 def llvm_v2f64_ty : LLVMPackedType<2, llvm_double_ty>; // 2 x double
84 //===----------------------------------------------------------------------===//
85 // Intrinsic Definitions.
86 //===----------------------------------------------------------------------===//
88 // Intrinsic class - This is used to define one LLVM intrinsic. The name of the
89 // intrinsic definition should start with "int_", then match the LLVM intrinsic
90 // name with the "llvm." prefix removed, and all "."s turned into "_"s. For
91 // example, llvm.bswap.i16 -> int_bswap_i16.
93 // * Types is a list containing the return type and the argument types
94 // expected for the intrinsic.
95 // * Properties can be set to describe the behavior of the intrinsic.
97 class Intrinsic<list<LLVMType> types,
98 list<IntrinsicProperty> properties = [],
100 string LLVMName = name;
101 string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics.
102 list<LLVMType> Types = types;
103 list<IntrinsicProperty> Properties = properties;
106 /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
107 /// specifies the name of the builtin. This provides automatic CBE and CFE
109 class GCCBuiltin<string name> {
110 string GCCBuiltinName = name;
114 //===--------------- Variable Argument Handling Intrinsics ----------------===//
117 def int_vastart : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_start">;
118 def int_vacopy : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptrptr_ty], [],
120 def int_vaend : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_end">;
122 //===------------------- Garbage Collection Intrinsics --------------------===//
124 def int_gcroot : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptr_ty]>;
125 def int_gcread : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
127 def int_gcwrite : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
128 llvm_ptrptr_ty], [InstrWriteArgMem]>;
130 //===--------------------- Code Generator Intrinsics ----------------------===//
132 def int_returnaddress : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [InstrNoMem]>;
133 def int_frameaddress : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [InstrNoMem]>;
134 def int_stacksave : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>;
135 def int_stackrestore : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>;
136 def int_prefetch : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
137 llvm_uint_ty, llvm_uint_ty]>;
138 def int_pcmarker : Intrinsic<[llvm_void_ty, llvm_uint_ty]>;
140 def int_readcyclecounter : Intrinsic<[llvm_ulong_ty]>;
142 //===------------------- Standard C Library Intrinsics --------------------===//
145 let Properties = [InstrWriteArgMem] in {
146 def int_memcpy_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
147 llvm_uint_ty, llvm_uint_ty]>;
148 def int_memcpy_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
149 llvm_ulong_ty, llvm_uint_ty]>;
150 def int_memmove_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
151 llvm_uint_ty, llvm_uint_ty]>;
152 def int_memmove_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
153 llvm_ulong_ty, llvm_uint_ty]>;
154 def int_memset_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
155 llvm_uint_ty, llvm_uint_ty]>;
156 def int_memset_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
157 llvm_ulong_ty, llvm_uint_ty]>;
160 let Properties = [InstrNoMem] in {
161 def int_isunordered_f32 : Intrinsic<[llvm_bool_ty,
162 llvm_float_ty, llvm_float_ty]>;
163 def int_isunordered_f64 : Intrinsic<[llvm_bool_ty,
164 llvm_double_ty, llvm_double_ty]>;
165 def int_sqrt_f32 : Intrinsic<[llvm_float_ty , llvm_float_ty]>;
166 def int_sqrt_f64 : Intrinsic<[llvm_double_ty, llvm_double_ty]>;
169 // NOTE: these are internal interfaces.
170 def int_setjmp : Intrinsic<[llvm_int_ty , llvm_ptr_ty]>;
171 def int_longjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
172 def int_sigsetjmp : Intrinsic<[llvm_int_ty , llvm_ptr_ty]>;
173 def int_siglongjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
175 //===-------------------- Bit Manipulation Intrinsics ---------------------===//
178 // None of these intrinsics accesses memory at all.
179 let Properties = [InstrNoMem] in {
180 def int_bswap_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
181 def int_bswap_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
182 def int_bswap_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
184 def int_ctpop_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
185 def int_ctpop_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
186 def int_ctpop_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
187 def int_ctpop_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
189 def int_ctlz_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
190 def int_ctlz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
191 def int_ctlz_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
192 def int_ctlz_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
194 def int_cttz_i8 : Intrinsic<[llvm_ubyte_ty, llvm_ubyte_ty]>;
195 def int_cttz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
196 def int_cttz_i32 : Intrinsic<[llvm_uint_ty, llvm_uint_ty]>;
197 def int_cttz_i64 : Intrinsic<[llvm_ulong_ty, llvm_ulong_ty]>;
200 //===------------------------ Debugger Intrinsics -------------------------===//
203 def int_dbg_stoppoint : Intrinsic<[llvm_void_ty,
204 llvm_uint_ty, llvm_uint_ty,
205 llvm_descriptor_ty]>;
206 def int_dbg_region_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
207 def int_dbg_region_end : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
208 def int_dbg_func_start : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
209 def int_dbg_declare : Intrinsic<[llvm_void_ty, llvm_ptr_ty,
210 llvm_descriptor_ty]>;
212 //===----------------------------------------------------------------------===//
213 // Target-specific intrinsics
214 //===----------------------------------------------------------------------===//
216 //===----------------------------------------------------------------------===//
217 // PowerPC Intrinsics
219 let TargetPrefix = "ppc" in { // All intrinsics start with "llvm.ppc.".
220 def int_ppc_altivec_lvx : GCCBuiltin<"__builtin_altivec_lvx">,
221 Intrinsic<[llvm_v4i32_ty, llvm_int_ty, llvm_ptr_ty],
223 def int_ppc_altivec_stvx : GCCBuiltin<"__builtin_altivec_stvx">,
224 Intrinsic<[llvm_void_ty, llvm_v4i32_ty, llvm_int_ty, llvm_ptr_ty],
227 def int_ppc_altivec_vmaddfp : GCCBuiltin<"__builtin_altivec_vmaddfp">,
228 Intrinsic<[llvm_v4f32_ty, llvm_v4f32_ty,
229 llvm_v4f32_ty, llvm_v4f32_ty], [InstrNoMem]>;
230 def int_ppc_altivec_vadduwm : GCCBuiltin<"__builtin_altivec_vadduwm">,
231 Intrinsic<[llvm_v4i32_ty, llvm_v4i32_ty, llvm_v4i32_ty],
237 //===----------------------------------------------------------------------===//
243 let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
244 def int_x86_sse_movmskps : GCCBuiltin<"__builtin_ia32_movmskps">,
245 Intrinsic<[llvm_int_ty, llvm_v4f32_ty], [InstrNoMem]>;
249 let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
250 def int_x86_sse2_movmskpd : GCCBuiltin<"__builtin_ia32_movmskpd">,
251 Intrinsic<[llvm_int_ty, llvm_v2f64_ty], [InstrNoMem]>;