#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 */
char *strdup(char const *);
int set_argv_test(int ac, const char *av[], char **result) {
  int res = 0, k = 0;
  for (k = 0; k < ac; ++k)
    result[k] = strdup(av[k]);
  return res;
}


x86 assembly (clang, -O0):
<set_argv_test>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
movl   $0x0,-0x20(%rbp)
movl   $0x0,-0x20(%rbp)
mov    -0x20(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1172 <set_argv_test+0x62>
mov    -0x10(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1030 <strdup@plt>
mov    %rax,%rdx
mov    -0x18(%rbp),%rax
movslq -0x20(%rbp),%rcx
mov    %rdx,(%rax,%rcx,8)
mov    -0x20(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x20(%rbp)
jmp    1138 <set_argv_test+0x28>
mov    -0x1c(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<set_argv_test>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
test   %edi,%edi
jle    1146 <set_argv_test+0x36>
mov    %rdx,%r14
mov    %rsi,%r15
mov    %edi,%r12d
xor    %ebx,%ebx
nopw   0x0(%rax,%rax,1)
mov    (%r15,%rbx,8),%rdi
call   1030 <strdup@plt>
mov    %rax,(%r14,%rbx,8)
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1130 <set_argv_test+0x20>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
define i32 @set_argv_test(i32 %0, i8** %1, i8** %2) {
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8**
%7 = alloca i32
%8 = alloca i32
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i8** %2, i8*** %6
store i32 0, i32* %7
store i32 0, i32* %8
store i32 0, i32* %8
br label %9
9: ; preds = %24, %3
%10 = load i32, i32* %8
%11 = load i32, i32* %4
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %27
13: ; preds = %9
%14 = load i8**, i8*** %5
%15 = load i32, i32* %8
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i8*, i8** %14, i64 %16
%18 = load i8*, i8** %17
%19 = call i8* @strdup(i8* %18)
%20 = load i8**, i8*** %6
%21 = load i32, i32* %8
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i8*, i8** %20, i64 %22
store i8* %19, i8** %23
br label %24
24: ; preds = %13
%25 = load i32, i32* %8
%26 = add nsw i32 %25, 1
store i32 %26, i32* %8
br label %9
27: ; preds = %9
%28 = load i32, i32* %7
ret i32 %28
}

LLVM IR (-O2):
define i32 @set_argv_test(i32 %0, i8** nocapture %1, i8** nocapture writeonly %2) {
%4 = icmp sgt i32 %0, 0
br i1 %4, label %5, label %15
5: ; preds = %3
%6 = zext i32 %0 to i64
br label %7
7: ; preds = %5, %7
%8 = phi i64 [ 0, %5 ], [ %13, %7 ]
%9 = getelementptr inbounds i8*, i8** %1, i64 %8
%10 = load i8*, i8** %9
%11 = tail call i8* @strdup(i8* %10)
%12 = getelementptr inbounds i8*, i8** %2, i64 %8
store i8* %11, i8** %12
%13 = add nuw nsw i64 %8, 1
%14 = icmp eq i64 %13, %6
br i1 %14, label %15, label %7
15: ; preds = %7, %3
ret i32 0
}