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//===- IntrinsicsWebAssembly.td - Defines wasm intrinsics --*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \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>],
[]>;
// These are the old names.
def int_wasm_mem_size : Intrinsic<[llvm_anyint_ty],
[llvm_i32_ty],
[IntrReadMem]>;
def int_wasm_mem_grow : Intrinsic<[llvm_anyint_ty],
[llvm_i32_ty, LLVMMatchType<0>],
[]>;
// These are the old old names. They also lack the immediate field.
def int_wasm_current_memory : Intrinsic<[llvm_anyint_ty], [], [IntrReadMem]>;
def int_wasm_grow_memory : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>], []>;
//===----------------------------------------------------------------------===//
// 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]>;
// wasm.catch returns the pointer to the exception object caught by wasm 'catch'
// instruction.
def int_wasm_catch : Intrinsic<[llvm_ptr_ty], [llvm_i32_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_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_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]>;
} // TargetPrefix = "wasm"
|
