| //===- 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 |
| /// \brief 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 mem.size is not IntrNoMem because it must be sequenced with |
| // respect to mem.grow calls. |
| // These are the new proposed names, which aren't yet official. Use at your own |
| // risk. |
| 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 existing names, which are currently official, but expected |
| // to be deprecated in the future. 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], [], [IntrHasSideEffects]>; |
| def int_wasm_get_ehselector : Intrinsic<[llvm_i32_ty], [], |
| [IntrHasSideEffects]>; |
| } |
