1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
//===- IntrinsicsWebAssembly.td - Defines wasm intrinsics --*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file defines all of the WebAssembly-specific intrinsics.
///
//===----------------------------------------------------------------------===//
let TargetPrefix = "wasm" in { // All intrinsics start with "llvm.wasm.".
// Query the current memory size, and increase the current memory size.
// Note that memory.size is not IntrNoMem because it must be sequenced with
// respect to memory.grow calls.
def int_wasm_memory_size : Intrinsic<[llvm_anyint_ty],
[llvm_i32_ty],
[IntrReadMem]>;
def int_wasm_memory_grow : Intrinsic<[llvm_anyint_ty],
[llvm_i32_ty, LLVMMatchType<0>],
[]>;
//===----------------------------------------------------------------------===//
// Saturating float-to-int conversions
//===----------------------------------------------------------------------===//
def int_wasm_trunc_saturate_signed : Intrinsic<[llvm_anyint_ty],
[llvm_anyfloat_ty],
[IntrNoMem, IntrSpeculatable]>;
def int_wasm_trunc_saturate_unsigned : Intrinsic<[llvm_anyint_ty],
[llvm_anyfloat_ty],
[IntrNoMem, IntrSpeculatable]>;
//===----------------------------------------------------------------------===//
// Exception handling intrinsics
//===----------------------------------------------------------------------===//
// throw / rethrow
def int_wasm_throw : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty],
[Throws, IntrNoReturn]>;
def int_wasm_rethrow : Intrinsic<[], [], [Throws, IntrNoReturn]>;
// Since wasm does not use landingpad instructions, these instructions return
// exception pointer and selector values until we lower them in WasmEHPrepare.
def int_wasm_get_exception : Intrinsic<[llvm_ptr_ty], [llvm_token_ty],
[IntrHasSideEffects]>;
def int_wasm_get_ehselector : Intrinsic<[llvm_i32_ty], [llvm_token_ty],
[IntrHasSideEffects]>;
// This is the same as llvm.wasm.get.exception except that it does not take a
// token operand. This is only for instruction selection purpose.
def int_wasm_extract_exception : Intrinsic<[llvm_ptr_ty], [],
[IntrHasSideEffects]>;
// WebAssembly EH must maintain the landingpads in the order assigned to them
// by WasmEHPrepare pass to generate landingpad table in EHStreamer. This is
// used in order to give them the indices in WasmEHPrepare.
def int_wasm_landingpad_index: Intrinsic<[], [llvm_token_ty, llvm_i32_ty],
[IntrNoMem]>;
// Returns LSDA address of the current function.
def int_wasm_lsda : Intrinsic<[llvm_ptr_ty], [], [IntrNoMem]>;
//===----------------------------------------------------------------------===//
// Atomic intrinsics
//===----------------------------------------------------------------------===//
// wait / notify
def int_wasm_atomic_wait_i32 :
Intrinsic<[llvm_i32_ty],
[LLVMPointerType<llvm_i32_ty>, llvm_i32_ty, llvm_i64_ty],
[IntrInaccessibleMemOrArgMemOnly, ReadOnly<0>, NoCapture<0>,
IntrHasSideEffects],
"", [SDNPMemOperand]>;
def int_wasm_atomic_wait_i64 :
Intrinsic<[llvm_i32_ty],
[LLVMPointerType<llvm_i64_ty>, llvm_i64_ty, llvm_i64_ty],
[IntrInaccessibleMemOrArgMemOnly, ReadOnly<0>, NoCapture<0>,
IntrHasSideEffects],
"", [SDNPMemOperand]>;
def int_wasm_atomic_notify:
Intrinsic<[llvm_i32_ty], [LLVMPointerType<llvm_i32_ty>, llvm_i32_ty],
[IntrInaccessibleMemOnly, NoCapture<0>, IntrHasSideEffects], "",
[SDNPMemOperand]>;
//===----------------------------------------------------------------------===//
// SIMD intrinsics
//===----------------------------------------------------------------------===//
def int_wasm_sub_saturate_signed :
Intrinsic<[llvm_anyvector_ty],
[LLVMMatchType<0>, LLVMMatchType<0>],
[IntrNoMem, IntrSpeculatable]>;
def int_wasm_sub_saturate_unsigned :
Intrinsic<[llvm_anyvector_ty],
[LLVMMatchType<0>, LLVMMatchType<0>],
[IntrNoMem, IntrSpeculatable]>;
def int_wasm_bitselect :
Intrinsic<[llvm_anyvector_ty],
[LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>],
[IntrNoMem, IntrSpeculatable]>;
def int_wasm_anytrue :
Intrinsic<[llvm_i32_ty],
[llvm_anyvector_ty],
[IntrNoMem, IntrSpeculatable]>;
def int_wasm_alltrue :
Intrinsic<[llvm_i32_ty],
[llvm_anyvector_ty],
[IntrNoMem, IntrSpeculatable]>;
//===----------------------------------------------------------------------===//
// Bulk memory intrinsics
//===----------------------------------------------------------------------===//
def int_wasm_memory_init :
Intrinsic<[],
[llvm_i32_ty, llvm_i32_ty, llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty],
[IntrWriteMem, IntrInaccessibleMemOrArgMemOnly, WriteOnly<2>,
IntrHasSideEffects]>;
def int_wasm_data_drop :
Intrinsic<[],
[llvm_i32_ty],
[IntrNoDuplicate, IntrHasSideEffects]>;
} // TargetPrefix = "wasm"
|
