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Diffstat (limited to 'include/llvm/Intrinsics.td')
| -rw-r--r-- | include/llvm/Intrinsics.td | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td new file mode 100644 index 0000000..e5bb2f6 --- /dev/null +++ b/include/llvm/Intrinsics.td @@ -0,0 +1,255 @@ +//===- 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_typeid_for : Intrinsic<[llvm_i32_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">; + +//===----------------------------------------------------------------------===// +// Target-specific intrinsics +//===----------------------------------------------------------------------===// + +include "llvm/IntrinsicsPowerPC.td" +include "llvm/IntrinsicsX86.td" |