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inaz2/fizzbuzz-clang.txt

Created September 14, 2016 04:24
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evaluation of fcd decompiler http://zneak.github.io/fcd/
Raw
fizzbuzz-clang.txt
uint64_t __libc_start_main(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx, uint64_t r8, uint64_t r9, uint64_t sp0);
uint64_t printf(uint64_t rdi);
uint64_t puts(uint64_t rdi);
void _init(uint64_t rip)
{
if (*(uint64_t*)6295544 != 0)
{
func_400460(4195349);
}
return;
}
void func_400460(uint64_t rip)
{
__indirect_jump(*(uint64_t*)6295544);
}
void _start(uint64_t rip, uint64_t rsp, uint64_t rdx)
{
*(uint64_t*)(rsp - 8) = rip;
uint64_t anon2 = rsp & -16;
uint64_t anon1 = anon2 - 16;
*(uint64_t*)anon1 = anon2 - 8;
__libc_start_main(4195696, rip, rsp, 4195952, 4196064, rdx, *(uint64_t*)anon1);
llvm.trap();
}
void deregister_tm_clones(uint64_t rip)
{
return;
}
void register_tm_clones(uint64_t rip)
{
return;
}
void __do_global_dtors_aux(uint64_t rip)
{
uint8_t* anon1 = (uint8_t*)6295616;
if (*anon1 == 0)
{
deregister_tm_clones(4195634);
*anon1 = 1;
}
return;
}
void frame_dummy(uint64_t rip)
{
return;
}
void main(uint64_t rip)
{
uint32_t phi2;
uint32_t phi_in1 = 0;
do
{
phi2 = phi_in1;
if (phi2 <= 99)
{
int64_t anon3 = (__sext int64_t)phi2;
if ((uint32_t)(anon3 % 15) != 0)
{
if ((uint32_t)(anon3 % 5) != 0)
{
if ((uint32_t)(anon3 % 3) != 0)
{
printf(4196098);
}
else
{
puts(4196093);
}
}
else
{
puts(4196088);
}
}
else
{
puts(4196084);
}
phi_in1 = phi2 + 1;
}
}
while (phi2 <= 99);
return;
}
void __libc_csu_init(uint64_t rip, uint64_t rdi, uint64_t rsi, uint64_t rdx)
{
_init(4196001);
(*(void(**)(uint64_t, uint64_t, uint64_t))6295056)(rdi & 4294967295, rsi, rdx);
return;
}
void __libc_csu_fini(uint64_t rip)
{
return;
}
void _fini(uint64_t rip)
{
return;
}
Raw
fizzbuzz-clangO2.txt
uint64_t __libc_start_main(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx, uint64_t r8, uint64_t r9, uint64_t sp0);
uint64_t printf(uint64_t rdi);
uint64_t puts(uint64_t rdi);
void _init(uint64_t rip)
{
if (*(uint64_t*)6295544 != 0)
{
func_400460(4195349);
}
return;
}
void func_400460(uint64_t rip)
{
__indirect_jump(*(uint64_t*)6295544);
}
void _start(uint64_t rip, uint64_t rsp, uint64_t rdx)
{
*(uint64_t*)(rsp - 8) = rip;
uint64_t anon2 = rsp & -16;
uint64_t anon1 = anon2 - 16;
*(uint64_t*)anon1 = anon2 - 8;
__libc_start_main(4195696, rip, rsp, 4195888, 4196000, rdx, *(uint64_t*)anon1);
llvm.trap();
}
void deregister_tm_clones(uint64_t rip)
{
return;
}
void register_tm_clones(uint64_t rip)
{
return;
}
void __do_global_dtors_aux(uint64_t rip)
{
uint8_t* anon1 = (uint8_t*)6295616;
if (*anon1 == 0)
{
deregister_tm_clones(4195634);
*anon1 = 1;
}
return;
}
void frame_dummy(uint64_t rip)
{
return;
}
void main(uint64_t rip)
{
uint32_t phi2;
uint32_t phi_in1 = 0;
do
{
phi2 = phi_in1;
int64_t anon4 = (__sext int64_t)phi2;
uint32_t anon3 = (uint32_t)(anon4 * -2004318071 >> 32) + phi2;
if (phi2 != ((anon3 >> 3) + (anon3 >> 31)) * 15)
{
int64_t anon5 = anon4 * 1717986919;
if (phi2 != ((uint32_t)(anon5 >> 33) + (uint32_t)(anon5 >> 63)) * 5)
{
int64_t anon6 = anon4 * 1431655766;
if (phi2 != ((uint32_t)(anon6 >> 32) + (uint32_t)(anon6 >> 63)) * 3)
{
printf(4196034);
}
else
{
puts(4196029);
}
}
else
{
puts(4196024);
}
}
else
{
puts(4196020);
}
phi_in1 = phi2 + 1;
}
while (phi2 != 99);
return;
}
void __libc_csu_init(uint64_t rip, uint64_t rdi, uint64_t rsi, uint64_t rdx)
{
_init(4195937);
(*(void(**)(uint64_t, uint64_t, uint64_t))6295056)(rdi & 4294967295, rsi, rdx);
return;
}
void __libc_csu_fini(uint64_t rip)
{
return;
}
void _fini(uint64_t rip)
{
return;
}
Raw
fizzbuzz-gcc.txt
uint64_t __libc_start_main(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx, uint64_t r8, uint64_t r9, uint64_t sp0);
uint64_t printf(uint64_t rdi);
uint64_t puts(uint64_t rdi);
void _init(uint64_t rip)
{
if (*(uint64_t*)6295544 != 0)
{
func_400460(4195349);
}
return;
}
void func_400460(uint64_t rip)
{
__indirect_jump(*(uint64_t*)6295544);
}
void _start(uint64_t rip, uint64_t rsp, uint64_t rdx)
{
*(uint64_t*)(rsp - 8) = rip;
uint64_t anon2 = rsp & -16;
uint64_t anon1 = anon2 - 16;
*(uint64_t*)anon1 = anon2 - 8;
__libc_start_main(4195686, rip, rsp, 4195904, 4196016, rdx, *(uint64_t*)anon1);
llvm.trap();
}
void deregister_tm_clones(uint64_t rip)
{
return;
}
void register_tm_clones(uint64_t rip)
{
return;
}
void __do_global_dtors_aux(uint64_t rip)
{
uint8_t* anon1 = (uint8_t*)6295616;
if (*anon1 == 0)
{
deregister_tm_clones(4195634);
*anon1 = 1;
}
return;
}
void frame_dummy(uint64_t rip)
{
return;
}
void main(uint64_t rip)
{
bool anon3;
uint32_t phi_in1 = 0;
do
{
uint32_t phi2 = phi_in1;
anon3 = phi2 < 100;
if (anon3)
{
uint64_t anon4 = (__zext uint64_t)phi2;
uint32_t anon5 = phi2 >> 31;
if (phi2 != ((uint32_t)(anon4 * 6585616521 >> 35) - anon5) * 15)
{
if (phi2 != ((uint32_t)(anon4 * 1717986919 >> 33) - anon5) * 5)
{
if (phi2 != ((uint32_t)(anon4 * 1431655766 >> 32) - anon5) * 3)
{
printf(4196055);
}
else
{
puts(4196050);
}
}
else
{
puts(4196045);
}
}
else
{
puts(4196036);
}
phi_in1 = phi2 + 1;
}
}
while (anon3);
return;
}
void __libc_csu_init(uint64_t rip, uint64_t rdi, uint64_t rsi, uint64_t rdx)
{
_init(4195953);
(*(void(**)(uint64_t, uint64_t, uint64_t))6295056)(rdi & 4294967295, rsi, rdx);
return;
}
void __libc_csu_fini(uint64_t rip)
{
return;
}
void _fini(uint64_t rip)
{
return;
}
Raw
fizzbuzz-gccO2.txt
uint64_t __libc_start_main(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx, uint64_t r8, uint64_t r9, uint64_t sp0);
void __printf_chk(uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx);
uint64_t puts(uint64_t rdi);
void _init(uint64_t rip)
{
if (*(uint64_t*)6295544 != 0)
{
func_400480(4195381);
}
return;
}
void func_400480(uint64_t rip)
{
__indirect_jump(*(uint64_t*)6295544);
}
void main(uint64_t rip)
{
uint32_t phi_in1 = 0;
while (true)
{
uint32_t phi2 = phi_in1;
uint64_t anon3 = (__zext uint64_t)phi2;
int64_t anon5 = (__sext int64_t)phi2 >> 31;
uint32_t anon4 = (uint32_t)anon5;
if (phi2 != (((uint32_t)(anon3 * 2290649225 >> 32) + phi2 >> 3) - anon4) * 15)
{
if (phi2 != ((uint32_t)(anon3 * 1717986919 >> 33) - anon4) * 5)
{
if (phi2 != ((uint32_t)(anon3 * 1431655766 >> 32) - anon4) * 3)
{
__printf_chk(1, 4196050, anon3, anon5 & 4294967295);
}
else
{
puts(4196045);
}
}
else
{
puts(4196040);
}
phi_in1 = phi2 + 1;
if (phi2 == 99)
{
break;
}
}
else
{
puts(4196036);
uint32_t anon6 = phi2 + 1;
phi_in1 = anon6;
if (anon6 == 100)
{
break;
}
}
}
return;
}
void _start(uint64_t rip, uint64_t rsp, uint64_t rdx)
{
*(uint64_t*)(rsp - 8) = rip;
uint64_t anon2 = rsp & -16;
uint64_t anon1 = anon2 - 16;
*(uint64_t*)anon1 = anon2 - 8;
__libc_start_main(4195472, rip, rsp, 4195904, 4196016, rdx, *(uint64_t*)anon1);
llvm.trap();
}
void deregister_tm_clones(uint64_t rip)
{
return;
}
void register_tm_clones(uint64_t rip)
{
return;
}
void __do_global_dtors_aux(uint64_t rip)
{
uint8_t* anon1 = (uint8_t*)6295616;
if (*anon1 == 0)
{
deregister_tm_clones(4195842);
*anon1 = 1;
}
return;
}
void frame_dummy(uint64_t rip)
{
return;
}
void __libc_csu_init(uint64_t rip, uint64_t rdi, uint64_t rsi, uint64_t rdx)
{
_init(4195953);
(*(void(**)(uint64_t, uint64_t, uint64_t))6295056)(rdi & 4294967295, rsi, rdx);
return;
}
void __libc_csu_fini(uint64_t rip)
{
return;
}
void _fini(uint64_t rip)
{
return;
}
Raw
fizzbuzz.c
#include <stdio.h>
int main()
{
int i;
for (i=0; i<100; i++) {
if (i%15 == 0) {
puts("fizzbuzz");
} else if (i%5 == 0) {
puts("buzz");
} else if (i%3 == 0) {
puts("fizz");
} else {
printf("%d\n", i);
}
}
return 0;
}
Raw
gistfile1.txt
# gcc -o fizzbuzz-gcc fizzbuzz.c
# gcc -O2 -o fizzbuzz-gccO2 fizzbuzz.c
# clang-3.8 -o fizzbuzz-clang fizzbuzz.c
# clang-3.8 -O2 -o fizzbuzz-clangO2 fizzbuzz.c
# ./build/fcd fizzbuzz-gcc >fizzbuzz-gcc.txt
# ./build/fcd fizzbuzz-gccO2 >fizzbuzz-gccO2.txt
# ./build/fcd fizzbuzz-clang >fizzbuzz-clang.txt
# ./build/fcd fizzbuzz-clangO2 >fizzbuzz-clangO2.txt
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