#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 printArray(int len, int array[]) {
  printf("[%d", array[0]);
  int i = 1;
  while (i < len) {
    printf(", %2d", array[i]);
    i++;
  }
  printf("]\n");
}


x86 assembly (clang, -O0):
<printArray>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
lea    0xed4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    116d <printArray+0x5d>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    113a <printArray+0x2a>
lea    0xe96(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printArray>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rsi,%r15
mov    %edi,%ebp
mov    (%rsi),%esi
lea    0xecb(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
cmp    $0x2,%ebp
jl     1167 <printArray+0x47>
mov    %ebp,%ebp
mov    $0x1,%ebx
lea    0xeb5(%rip),%r14
nop
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1150 <printArray+0x30>
lea    0xe9c(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <puts@plt>

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

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