#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 show(unsigned long long int *a, int cnt) {
  printf("[");
  int i;
  for (i = 0; i < cnt; i++)
    printf("%#018llx%s", a[i], i < cnt - 1 ? ", " : "");
  printf("]\n");
}


x86 assembly (clang, -O0):
<show>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1185 <show+0x75>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,8),%rsi
mov    -0x10(%rbp),%ecx
mov    -0xc(%rbp),%edi
sub    $0x1,%edi
lea    0xeb6(%rip),%rdx
lea    0xeaa(%rip),%rax
cmp    %edi,%ecx
cmovl  %rax,%rdx
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <show+0x24>
lea    0xe84(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<show>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %esi,%r14d
mov    %rdi,%r15
mov    $0x5b,%edi
call   1030 <putchar@plt>
test   %r14d,%r14d
jle    1198 <show+0x68>
lea    -0x1(%r14),%r12d
mov    %r14d,%ebx
lea    0xeaf(%rip),%rbp
lea    0xe9b(%rip),%r14
xor    %r13d,%r13d
nopl   0x0(%rax,%rax,1)
mov    (%r15,%r13,8),%rsi
cmp    %r12,%r13
mov    %rbp,%rdx
lea    0xe8a(%rip),%rax
cmovb  %rax,%rdx
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%r13
cmp    %r13,%rbx
jne    1170 <show+0x40>
lea    0xe6f(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1040 <puts@plt>

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

LLVM IR (-O2):
@.str.1 = [11 x i8] c"%llx%s\00"
@.str.2 = [3 x i8] c", \00"
@.str.3 = [1 x i8] zeroinitializer
@str = [2 x i8] c"]\00"
define void @show(i64* nocapture %0, i32 %1) {
%3 = tail call i32 @putchar(i32 91)
%4 = icmp sgt i32 %1, 0
br i1 %4, label %5, label %18
5: ; preds = %2
%6 = add nsw i32 %1, -1
%7 = zext i32 %6 to i64
%8 = zext i32 %1 to i64
br label %9
9: ; preds = %5, %9
%10 = phi i64 [ 0, %5 ], [ %16, %9 ]
%11 = getelementptr inbounds i64, i64* %0, i64 %10
%12 = load i64, i64* %11
%13 = icmp ult i64 %10, %7
%14 = select i1 %13, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.3, i64 0, i64 0)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i64 %12, i8* %14)
%16 = add nuw nsw i64 %10, 1
%17 = icmp eq i64 %16, %8
br i1 %17, label %18, label %9
18: ; preds = %9, %2
%19 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
ret void
}