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//===-- cxx_loop_proto.proto - Protobuf description of C++ with for loops -===//
//
// 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 describes a subset of C++ as a protobuf. It is used to
/// more easily find interesting inputs for fuzzing LLVM's vectorizer.
/// This subset differs from the one defined in cxx_proto.proto by eliminating
/// while loops and conditionals. The goal is that the C++ code generated will
/// be more likely to stress the LLVM loop vectorizer. The code generated will
/// contain either a single loop or two nested loops.
///
//===----------------------------------------------------------------------===//
syntax = "proto2";
message Const {
required int32 val = 1;
}
message VarRef {
// Add an enum for each array in function signature
enum Arr {
ARR_A = 0;
ARR_B = 1;
ARR_C = 2;
};
required Arr arr = 1;
}
message BinaryOp {
enum Op {
PLUS = 0;
MINUS = 1;
MUL = 2;
XOR = 3;
AND = 4;
OR = 5;
EQ = 6;
NE = 7;
LE = 8;
GE = 9;
LT = 10;
GT = 11;
};
required Op op = 1;
required Rvalue left = 2;
required Rvalue right = 3;
}
message Rvalue {
oneof rvalue_oneof {
Const cons = 1;
BinaryOp binop = 2;
VarRef varref = 3;
}
}
message AssignmentStatement {
required VarRef varref = 1;
required Rvalue rvalue = 2;
}
message Statement {
required AssignmentStatement assignment = 1;
}
message StatementSeq {
repeated Statement statements = 1;
}
message LoopFunction {
optional StatementSeq inner_statements = 1;
required StatementSeq outer_statements = 2;
}
package clang_fuzzer;
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