diff options
Diffstat (limited to 'clang/INPUTS/cfg-long-chain1.c')
| -rw-r--r-- | clang/INPUTS/cfg-long-chain1.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/INPUTS/cfg-long-chain1.c b/clang/INPUTS/cfg-long-chain1.c new file mode 100644 index 0000000..2f55b2a --- /dev/null +++ b/clang/INPUTS/cfg-long-chain1.c @@ -0,0 +1,20 @@ +#define EXPAND_2_BRANCHES(i, x, y) BRANCH(i, x, y); BRANCH(i + 1, x, y); +#define EXPAND_4_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i, x, y) EXPAND_2_BRANCHES(i + 2, x, y) +#define EXPAND_8_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i, x, y) EXPAND_4_BRANCHES(i + 4, x, y) +#define EXPAND_16_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i, x, y) EXPAND_8_BRANCHES(i + 8, x, y) +#define EXPAND_32_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i, x, y) EXPAND_16_BRANCHES(i + 16, x, y) +#define EXPAND_64_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i, x, y) EXPAND_32_BRANCHES(i + 32, x, y) +#define EXPAND_128_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i, x, y) EXPAND_64_BRANCHES(i + 64, x, y) +#define EXPAND_256_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i, x, y) EXPAND_128_BRANCHES(i + 128, x, y) +#define EXPAND_512_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i, x, y) EXPAND_256_BRANCHES(i + 256, x, y) +#define EXPAND_1024_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i, x, y) EXPAND_512_BRANCHES(i + 512, x, y) +#define EXPAND_2048_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i, x, y) EXPAND_1024_BRANCHES(i + 1024, x, y) +#define EXPAND_4096_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i, x, y) EXPAND_2048_BRANCHES(i + 2048, x, y) + +unsigned cfg_long_chain_single_exit(unsigned x) { + unsigned y = 0; +#define BRANCH(i, x, y) if ((x % 13171) < i) { int var = x / 13171; y ^= var; } + EXPAND_4096_BRANCHES(1, x, y); +#undef BRANCH + return y; +} |