#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 */

/* Variables and functions */
int jhash(char *, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ strlen(char *);
int main(int argc, char *argv[]) {
  if (argc != 2) {
    printf("Usage: jenkins <my string>\n");
  }
  printf("%s: %i\n", argv[1], jhash(argv[1], strlen(argv[1])));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     115e <main+0x2e>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <strlen@plt>
mov    -0x20(%rbp),%rdi
mov    %eax,%esi
call   1050 <jhash@plt>
mov    -0x18(%rbp),%rsi
mov    %eax,%edx
lea    0xe81(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x2,%edi
je     1155 <main+0x15>
lea    0xeb8(%rip),%rdi
call   1030 <puts@plt>
mov    0x8(%rbx),%rbx
mov    %rbx,%rdi
call   1040 <strlen@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1060 <jhash@plt>
lea    0xe8e(%rip),%rdi
mov    %rbx,%rsi
mov    %eax,%edx
xor    %eax,%eax
call   1050 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [28 x i8] c"Usage: jenkins <my string>\0A\00"
@.str.1 = [8 x i8] c"%s: %i\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp ne i32 %6, 2
br i1 %7, label %8, label %10
8: ; preds = %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0))
br label %10
10: ; preds = %8, %2
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 1
%13 = load i8*, i8** %12
%14 = load i8**, i8*** %5
%15 = getelementptr inbounds i8*, i8** %14, i64 1
%16 = load i8*, i8** %15
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 @strlen(i8* %19)
%21 = call i32 @jhash(i8* %16, i32 %20)
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i8* %13, i32 %21)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [8 x i8] c"%s: %i\0A\00"
@str = [27 x i8] c"Usage: jenkins <my string>\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %6, label %4
4: ; preds = %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str, i64 0, i64 0))
br label %6
6: ; preds = %4, %2
%7 = getelementptr inbounds i8*, i8** %1, i64 1
%8 = load i8*, i8** %7
%9 = tail call i32 @strlen(i8* %8)
%10 = tail call i32 @jhash(i8* %8, i32 %9)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), i8* %8, i32 %10)
ret i32 0
}