#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, ...);
int create_main(int max_depth) {
  int i, j, k, rval;
  FILE *fp_main;
  char filename[100];
  fp_main = fopen("FOO_main.c", "w+");
  fprintf(fp_main, "//\n");
  fprintf(fp_main, "//\n");
  fprintf(fp_main, "#include <stdio.h>\n");
  fprintf(fp_main, "#include <stdlib.h>\n");
  fprintf(fp_main, "\n");
  fprintf(fp_main, "int main(int argc, char* argv[])\n");
  fprintf(fp_main, "{\n");
  fprintf(fp_main, "\tlong i=0;\n");
  fprintf(fp_main, "\tlong j,k;\n");
  fprintf(fp_main, "\tj=atol(argv[1]);\n");
  fprintf(fp_main, "\tfor(k=0;k<j;k++){\n");
  fprintf(fp_main, "\t__asm__( \n");
  fprintf(fp_main, "\t\".align 64\\n\\t\"\n");
  for (j = 0; j < max_depth; j++) {
    fprintf(fp_main, "\t\"jmp LP_%06d\\n\\t\"\n", j);
    fprintf(fp_main, "\t\"xorq   %%rdx, %%rcx\\n\\t\"\n");
    fprintf(fp_main, "\t\"LP_%06d:\\n\\t\"\n", j);
  }
  fprintf(fp_main, "\t);\n");
  fprintf(fp_main, "\t}\n");
  fprintf(fp_main, "\n");
  fprintf(fp_main, "\treturn 0;\n");
  fprintf(fp_main, "}\n");
  rval = fclose(fp_main);
  return 0;
}


x86 assembly (clang, -O0):
<create_main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x90,%rsp
mov    %edi,-0x4(%rbp)
lea    0xebb(%rip),%rdi
lea    0xebf(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rdi
lea    0xeae(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe9c(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe8e(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe90(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xefe(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe81(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xecd(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe7f(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe79(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe73(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe74(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe76(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe70(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    129c <create_main+0x16c>
mov    -0x20(%rbp),%rdi
mov    -0xc(%rbp),%edx
lea    0xe5a(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe5c(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
mov    -0xc(%rbp),%edx
lea    0xe63(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1246 <create_main+0x116>
mov    -0x20(%rbp),%rdi
lea    0xe54(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe47(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xddb(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe27(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
lea    0xe12(%rip),%rsi
mov    $0x0,%al
call   1040 <fprintf@plt>
mov    -0x20(%rbp),%rdi
call   1030 <fclose@plt>
mov    %eax,-0x14(%rbp)
xor    %eax,%eax
add    $0x90,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<create_main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %edi,%r14d
lea    0xe9b(%rip),%rdi
lea    0xe9f(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,%rbx
lea    0xe93(%rip),%rbp
mov    $0x3,%esi
mov    $0x1,%edx
mov    %rbp,%rdi
mov    %rax,%rcx
call   1070 <fwrite@plt>
mov    $0x3,%esi
mov    $0x1,%edx
mov    %rbp,%rdi
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe66(%rip),%rdi
mov    $0x13,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe61(%rip),%rdi
mov    $0x14,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
mov    $0xa,%edi
mov    %rbx,%rsi
call   1040 <fputc@plt>
lea    0xe50(%rip),%rdi
mov    $0x21,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe95(%rip),%rdi
mov    $0x2,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe40(%rip),%rdi
mov    $0xb,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe33(%rip),%rdi
mov    $0xb,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe26(%rip),%rdi
mov    $0x12,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe20(%rip),%rdi
mov    $0x13,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe1b(%rip),%rdi
mov    $0xb,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xe0e(%rip),%rdi
mov    $0x11,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
test   %r14d,%r14d
jle    1303 <create_main+0x1b3>
lea    0xe02(%rip),%r15
lea    0xe0f(%rip),%r12
lea    0xe24(%rip),%r13
xor    %ebp,%ebp
nopl   0x0(%rax,%rax,1)
mov    %rbx,%rdi
mov    %r15,%rsi
mov    %ebp,%edx
xor    %eax,%eax
call   1050 <fprintf@plt>
mov    %rbx,%rdi
mov    %r12,%rsi
xor    %eax,%eax
call   1050 <fprintf@plt>
mov    %rbx,%rdi
mov    %r13,%rsi
mov    %ebp,%edx
xor    %eax,%eax
call   1050 <fprintf@plt>
add    $0x1,%ebp
cmp    %ebp,%r14d
jne    12d0 <create_main+0x180>
lea    0xdf1(%rip),%rdi
mov    $0x4,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xddd(%rip),%rdi
mov    $0x3,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
mov    $0xa,%edi
mov    %rbx,%rsi
call   1040 <fputc@plt>
lea    0xdbb(%rip),%rdi
mov    $0xb,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
lea    0xd9f(%rip),%rdi
mov    $0x2,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1070 <fwrite@plt>
mov    %rbx,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [11 x i8] c"FOO_main.c\00"
@.str.1 = [3 x i8] c"w+\00"
@.str.2 = [4 x i8] c"//\0A\00"
@.str.3 = [20 x i8] c"#include <stdio.h>\0A\00"
@.str.4 = [21 x i8] c"#include <stdlib.h>\0A\00"
@.str.5 = [2 x i8] c"\0A\00"
@.str.6 = [34 x i8] c"int main(int argc, char* argv[])\0A\00"
@.str.7 = [3 x i8] c"{\0A\00"
@.str.8 = [12 x i8] c"\09long i=0;\0A\00"
@.str.9 = [12 x i8] c"\09long j,k;\0A\00"
@.str.10 = [19 x i8] c"\09j=atol(argv[1]);\0A\00"
@.str.11 = [20 x i8] c"\09for(k=0;k<j;k++){\0A\00"
@.str.12 = [12 x i8] c"\09__asm__( \0A\00"
@.str.13 = [18 x i8] c"\09\22.align 64\\n\\t\22\0A\00"
@.str.14 = [20 x i8] c"\09\22jmp LP_%06d\\n\\t\22\0A\00"
@.str.15 = [28 x i8] c"\09\22xorq %%rdx, %%rcx\\n\\t\22\0A\00"
@.str.16 = [17 x i8] c"\09\22LP_%06d:\\n\\t\22\0A\00"
@.str.17 = [5 x i8] c"\09);\0A\00"
@.str.18 = [4 x i8] c"\09}\0A\00"
@.str.19 = [12 x i8] c"\09return 0;\0A\00"
@.str.20 = [3 x i8] c"}\0A\00"
define i32 @create_main(i32 %0) {
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32*
%8 = alloca [100 x i8]
store i32 %0, i32* %2
%9 = call i32* @fopen(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
store i32* %9, i32** %7
%10 = load i32*, i32** %7
%11 = call i32 (i32*, i8*, ...) @fprintf(i32* %10, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%12 = load i32*, i32** %7
%13 = call i32 (i32*, i8*, ...) @fprintf(i32* %12, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%14 = load i32*, i32** %7
%15 = call i32 (i32*, i8*, ...) @fprintf(i32* %14, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%16 = load i32*, i32** %7
%17 = call i32 (i32*, i8*, ...) @fprintf(i32* %16, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0))
%18 = load i32*, i32** %7
%19 = call i32 (i32*, i8*, ...) @fprintf(i32* %18, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%20 = load i32*, i32** %7
%21 = call i32 (i32*, i8*, ...) @fprintf(i32* %20, i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.6, i64 0, i64 0))
%22 = load i32*, i32** %7
%23 = call i32 (i32*, i8*, ...) @fprintf(i32* %22, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0))
%24 = load i32*, i32** %7
%25 = call i32 (i32*, i8*, ...) @fprintf(i32* %24, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.8, i64 0, i64 0))
%26 = load i32*, i32** %7
%27 = call i32 (i32*, i8*, ...) @fprintf(i32* %26, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0))
%28 = load i32*, i32** %7
%29 = call i32 (i32*, i8*, ...) @fprintf(i32* %28, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.10, i64 0, i64 0))
%30 = load i32*, i32** %7
%31 = call i32 (i32*, i8*, ...) @fprintf(i32* %30, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.11, i64 0, i64 0))
%32 = load i32*, i32** %7
%33 = call i32 (i32*, i8*, ...) @fprintf(i32* %32, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.12, i64 0, i64 0))
%34 = load i32*, i32** %7
%35 = call i32 (i32*, i8*, ...) @fprintf(i32* %34, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.13, i64 0, i64 0))
store i32 0, i32* %4
br label %36
36: ; preds = %49, %1
%37 = load i32, i32* %4
%38 = load i32, i32* %2
%39 = icmp slt i32 %37, %38
br i1 %39, label %40, label %52
40: ; preds = %36
%41 = load i32*, i32** %7
%42 = load i32, i32* %4
%43 = call i32 (i32*, i8*, ...) @fprintf(i32* %41, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.14, i64 0, i64 0), i32 %42)
%44 = load i32*, i32** %7
%45 = call i32 (i32*, i8*, ...) @fprintf(i32* %44, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.15, i64 0, i64 0))
%46 = load i32*, i32** %7
%47 = load i32, i32* %4
%48 = call i32 (i32*, i8*, ...) @fprintf(i32* %46, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.16, i64 0, i64 0), i32 %47)
br label %49
49: ; preds = %40
%50 = load i32, i32* %4
%51 = add nsw i32 %50, 1
store i32 %51, i32* %4
br label %36
52: ; preds = %36
%53 = load i32*, i32** %7
%54 = call i32 (i32*, i8*, ...) @fprintf(i32* %53, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0))
%55 = load i32*, i32** %7
%56 = call i32 (i32*, i8*, ...) @fprintf(i32* %55, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.18, i64 0, i64 0))
%57 = load i32*, i32** %7
%58 = call i32 (i32*, i8*, ...) @fprintf(i32* %57, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%59 = load i32*, i32** %7
%60 = call i32 (i32*, i8*, ...) @fprintf(i32* %59, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.19, i64 0, i64 0))
%61 = load i32*, i32** %7
%62 = call i32 (i32*, i8*, ...) @fprintf(i32* %61, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.20, i64 0, i64 0))
%63 = load i32*, i32** %7
%64 = call i32 @fclose(i32* %63)
store i32 %64, i32* %6
ret i32 0
}

LLVM IR (-O2):
@.str = [11 x i8] c"FOO_main.c\00"
@.str.1 = [3 x i8] c"w+\00"
@.str.2 = [4 x i8] c"//\0A\00"
@.str.3 = [20 x i8] c"#include <stdio.h>\0A\00"
@.str.4 = [21 x i8] c"#include <stdlib.h>\0A\00"
@.str.6 = [34 x i8] c"int main(int argc, char* argv[])\0A\00"
@.str.7 = [3 x i8] c"{\0A\00"
@.str.8 = [12 x i8] c"\09long i=0;\0A\00"
@.str.9 = [12 x i8] c"\09long j,k;\0A\00"
@.str.10 = [19 x i8] c"\09j=atol(argv[1]);\0A\00"
@.str.11 = [20 x i8] c"\09for(k=0;k<j;k++){\0A\00"
@.str.12 = [12 x i8] c"\09__asm__( \0A\00"
@.str.13 = [18 x i8] c"\09\22.align 64\\n\\t\22\0A\00"
@.str.14 = [20 x i8] c"\09\22jmp LP_%06d\\n\\t\22\0A\00"
@.str.15 = [28 x i8] c"\09\22xorq %%rdx, %%rcx\\n\\t\22\0A\00"
@.str.16 = [17 x i8] c"\09\22LP_%06d:\\n\\t\22\0A\00"
@.str.17 = [5 x i8] c"\09);\0A\00"
@.str.18 = [4 x i8] c"\09}\0A\00"
@.str.19 = [12 x i8] c"\09return 0;\0A\00"
@.str.20 = [3 x i8] c"}\0A\00"
define i32 @create_main(i32 %0) {
%2 = tail call i32* @fopen(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i64 @fwrite(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i64 3, i64 1, i32* %2)
%4 = tail call i64 @fwrite(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i64 3, i64 1, i32* %2)
%5 = tail call i64 @fwrite(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0), i64 19, i64 1, i32* %2)
%6 = tail call i64 @fwrite(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.4, i64 0, i64 0), i64 20, i64 1, i32* %2)
%7 = tail call i32 @fputc(i32 10, i32* %2)
%8 = tail call i64 @fwrite(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.6, i64 0, i64 0), i64 33, i64 1, i32* %2)
%9 = tail call i64 @fwrite(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i64 2, i64 1, i32* %2)
%10 = tail call i64 @fwrite(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.8, i64 0, i64 0), i64 11, i64 1, i32* %2)
%11 = tail call i64 @fwrite(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0), i64 11, i64 1, i32* %2)
%12 = tail call i64 @fwrite(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.10, i64 0, i64 0), i64 18, i64 1, i32* %2)
%13 = tail call i64 @fwrite(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.11, i64 0, i64 0), i64 19, i64 1, i32* %2)
%14 = tail call i64 @fwrite(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.12, i64 0, i64 0), i64 11, i64 1, i32* %2)
%15 = tail call i64 @fwrite(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.13, i64 0, i64 0), i64 17, i64 1, i32* %2)
%16 = icmp sgt i32 %0, 0
br i1 %16, label %17, label %24
17: ; preds = %1, %17
%18 = phi i32 [ %22, %17 ], [ 0, %1 ]
%19 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %2, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.14, i64 0, i64 0), i32 %18)
%20 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %2, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.15, i64 0, i64 0))
%21 = tail call i32 (i32*, i8*, ...) @fprintf(i32* %2, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.16, i64 0, i64 0), i32 %18)
%22 = add nuw nsw i32 %18, 1
%23 = icmp eq i32 %22, %0
br i1 %23, label %24, label %17
24: ; preds = %17, %1
%25 = tail call i64 @fwrite(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0), i64 4, i64 1, i32* %2)
%26 = tail call i64 @fwrite(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.18, i64 0, i64 0), i64 3, i64 1, i32* %2)
%27 = tail call i32 @fputc(i32 10, i32* %2)
%28 = tail call i64 @fwrite(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.19, i64 0, i64 0), i64 11, i64 1, i32* %2)
%29 = tail call i64 @fwrite(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.20, i64 0, i64 0), i64 2, i64 1, i32* %2)
%30 = tail call i32 @fclose(i32* %2)
ret i32 0
}