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ddfc84e634
This halves the size of LargeTest, dropping time to compile this file locally from 14s to 5.5s. Hopefully this will also fix the persistent timeouts in pre-merge checks. Differential Revision: https://reviews.llvm.org/D124237
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// A fuzz target with lots of edges.
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#include <cstdint>
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#include <cstdlib>
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static inline void break_optimization(const void *arg) {
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__asm__ __volatile__("" : : "r" (arg) : "memory");
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}
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#define A \
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do { \
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i++; \
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c++; \
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if (Data[(i + __LINE__) % Size] == (c % 256)) \
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break_optimization(Data); \
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else \
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break_optimization(0); \
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} while (0)
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// for (int i = 0, n = Data[(__LINE__ - 1) % Size] % 16; i < n; i++)
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#define B do{A; A; A; A; A; A; A; A; A; A; A; A; A; A; A; A; A; A; }while(0)
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#define C do{B; B; B; B; B; B; B; B; B; B; B; B; B; B; B; B; B; B; }while(0)
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#define D do{C; C; C; C; C; C; C; C; C; }while(0)
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volatile int sink;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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if (!Size) return 0;
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int c = 0;
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int i = 0;
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D;
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return 0;
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}
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