#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*/ printf(char *, ...);
void use_index(int m[]) {
  int i;
  printf("use index:\n");
  for (i = 0; i < 10; i++) {
    printf("%d ", m[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<use_index>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0xc(%rbp)
cmpl   $0xa,-0xc(%rbp)
jge    1162 <use_index+0x52>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xebf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1131 <use_index+0x21>
lea    0xea1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<use_index>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xec6(%rip),%rdi
call   1040 <puts@plt>
mov    (%rbx),%esi
lea    0xeb4(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x8(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0xc(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x10(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x14(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x18(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x1c(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x20(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x24(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [12 x i8] c"use index:\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
define void @use_index(i32* %0) {
%2 = alloca i32*
%3 = alloca i32
store i32* %0, i32** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %3
br label %5
5: ; preds = %15, %1
%6 = load i32, i32* %3
%7 = icmp slt i32 %6, 10
br i1 %7, label %8, label %18
8: ; preds = %5
%9 = load i32*, i32** %2
%10 = load i32, i32* %3
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds i32, i32* %9, i64 %11
%13 = load i32, i32* %12
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %13)
br label %15
15: ; preds = %8
%16 = load i32, i32* %3
%17 = add nsw i32 %16, 1
store i32 %17, i32* %3
br label %5
18: ; preds = %5
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.1 = [4 x i8] c"%d \00"
@str = [11 x i8] c"use index:\00"
define void @use_index(i32* nocapture %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str, i64 0, i64 0))
%3 = load i32, i32* %0
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%5 = getelementptr inbounds i32, i32* %0, i64 1
%6 = load i32, i32* %5
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %6)
%8 = getelementptr inbounds i32, i32* %0, i64 2
%9 = load i32, i32* %8
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i32, i32* %0, i64 3
%12 = load i32, i32* %11
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds i32, i32* %0, i64 4
%15 = load i32, i32* %14
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds i32, i32* %0, i64 5
%18 = load i32, i32* %17
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
%20 = getelementptr inbounds i32, i32* %0, i64 6
%21 = load i32, i32* %20
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %21)
%23 = getelementptr inbounds i32, i32* %0, i64 7
%24 = load i32, i32* %23
%25 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %24)
%26 = getelementptr inbounds i32, i32* %0, i64 8
%27 = load i32, i32* %26
%28 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %27)
%29 = getelementptr inbounds i32, i32* %0, i64 9
%30 = load i32, i32* %29
%31 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %30)
%32 = tail call i32 @putchar(i32 10)
ret void
}