#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 /*<<< orphan*/ assert(int);
int /*<<< orphan*/ printf(char *, int, char *);
int /*<<< orphan*/ puts(char *);
void h(int ac, char **av) {
  int i;
  assert(ac != 0);
  puts("-- arguments -- ");
  for (i = 0; i < ac; i++)
    printf("av[%d] = %s\n", i, av[i]);
  puts("--");
}


x86 assembly (clang, -O0):
<h>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x0,-0x4(%rbp)
setne  %al
and    $0x1,%al
movzbl %al,%edi
call   1050 <assert@plt>
lea    0xea9(%rip),%rdi
call   1030 <puts@plt>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    1198 <h+0x68>
mov    -0x14(%rbp),%esi
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xe8c(%rip),%rdi
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1163 <h+0x33>
lea    0xe7f(%rip),%rdi
call   1030 <puts@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<h>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rsi,%r14
mov    %edi,%ebx
xor    %edi,%edi
test   %ebx,%ebx
setne  %dil
call   1050 <assert@plt>
lea    0xeaf(%rip),%rdi
call   1030 <puts@plt>
test   %ebx,%ebx
jle    1187 <h+0x57>
mov    %ebx,%r12d
xor    %ebx,%ebx
lea    0xeab(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
mov    (%r14,%rbx,8),%rdx
mov    %r15,%rdi
mov    %ebx,%esi
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1170 <h+0x40>
lea    0xe90(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [17 x i8] c"-- arguments -- \00"
@.str.1 = [13 x i8] c"av[%d] = %s\0A\00"
@.str.2 = [3 x i8] c"--\00"
define void @h(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
%5 = alloca i32
store i32 %0, i32* %3
store i8** %1, i8*** %4
%6 = load i32, i32* %3
%7 = icmp ne i32 %6, 0
%8 = zext i1 %7 to i32
%9 = call i32 @assert(i32 %8)
%10 = call i32 @puts(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %5
br label %11
11: ; preds = %23, %2
%12 = load i32, i32* %5
%13 = load i32, i32* %3
%14 = icmp slt i32 %12, %13
br i1 %14, label %15, label %26
15: ; preds = %11
%16 = load i32, i32* %5
%17 = load i8**, i8*** %4
%18 = load i32, i32* %5
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i8*, i8** %17, i64 %19
%21 = load i8*, i8** %20
%22 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 %16, i8* %21)
br label %23
23: ; preds = %15
%24 = load i32, i32* %5
%25 = add nsw i32 %24, 1
store i32 %25, i32* %5
br label %11
26: ; preds = %11
%27 = call i32 @puts(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [17 x i8] c"-- arguments -- \00"
@.str.1 = [13 x i8] c"av[%d] = %s\0A\00"
@.str.2 = [3 x i8] c"--\00"
define void @h(i32 %0, i8** nocapture %1) {
%3 = icmp ne i32 %0, 0
%4 = zext i1 %3 to i32
%5 = tail call i32 @assert(i32 %4)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%7 = icmp sgt i32 %0, 0
br i1 %7, label %8, label %18
8: ; preds = %2
%9 = zext i32 %0 to i64
br label %10
10: ; preds = %8, %10
%11 = phi i64 [ 0, %8 ], [ %16, %10 ]
%12 = getelementptr inbounds i8*, i8** %1, i64 %11
%13 = load i8*, i8** %12
%14 = trunc i64 %11 to i32
%15 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i32 %14, i8* %13)
%16 = add nuw nsw i64 %11, 1
%17 = icmp eq i64 %16, %9
br i1 %17, label %18, label %10
18: ; preds = %10, %2
%19 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
ret void
}