#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 *, double const);
int /*<<< orphan*/ putchar(char);
void showarray(const double ar[], int n) {
  int index;
  for (index = 0; index < n; index++) {
    printf("%9.4f ", ar[index]);
    if (index % 6 == 5)
      putchar('\n');
  }
  if (index % 6 != 0)
    putchar('\n');
}


x86 assembly (clang, -O0):
<showarray>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    118c <showarray+0x6c>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
lea    0xeaa(%rip),%rdi
call   1040 <printf@plt>
mov    -0x10(%rbp),%eax
mov    $0x6,%ecx
cltd
idiv   %ecx
cmp    $0x5,%edx
jne    1179 <showarray+0x59>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    117e <showarray+0x5e>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1136 <showarray+0x16>
mov    -0x10(%rbp),%eax
mov    $0x6,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
je     11aa <showarray+0x8a>
mov    $0xa,%edi
call   1030 <putchar@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<showarray>:
test   %esi,%esi
jle    11c2 <showarray+0xa2>
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %rdi,%r12
mov    %esi,0x4(%rsp)
mov    %esi,%r13d
shl    $0x3,%r13
mov    $0x5,%ebx
xor    %ebp,%ebp
xor    %r14d,%r14d
jmp    115f <showarray+0x3f>
nopl   (%rax)
add    $0x8,%r14
add    $0xffffffff,%ebx
add    $0x1,%ebp
cmp    %r14,%r13
je     1198 <showarray+0x78>
mov    %ebp,%eax
mov    $0xaaaaaaab,%ecx
imul   %rcx,%rax
shr    $0x22,%rax
lea    (%rax,%rax,2),%r15d
add    %r15d,%r15d
movsd  (%r12,%r14,1),%xmm0
lea    0xe7e(%rip),%rdi
call   1040 <printf@plt>
add    %ebx,%r15d
jne    1150 <showarray+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    1150 <showarray+0x30>
imul   $0xaaaaaaab,0x4(%rsp),%eax
aa
ror    %eax
cmp    $0x2aaaaaab,%eax
lea    0x8(%rsp),%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jb     11c2 <showarray+0xa2>
mov    $0xa,%edi
jmp    1030 <putchar@plt>
ret

LLVM IR (-O0):
@.str = [7 x i8] c"%9.4f \00"
define void @showarray(double* %0, i32 %1) {
%3 = alloca double*
%4 = alloca i32
%5 = alloca i32
store double* %0, double** %3
store i32 %1, i32* %4
store i32 0, i32* %5
br label %6
6: ; preds = %23, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %26
10: ; preds = %6
%11 = load double*, double** %3
%12 = load i32, i32* %5
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds double, double* %11, i64 %13
%15 = load double, double* %14
%16 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), double %15)
%17 = load i32, i32* %5
%18 = srem i32 %17, 6
%19 = icmp eq i32 %18, 5
br i1 %19, label %20, label %22
20: ; preds = %10
%21 = call i32 @putchar(i8 signext 10)
br label %22
22: ; preds = %20, %10
br label %23
23: ; preds = %22
%24 = load i32, i32* %5
%25 = add nsw i32 %24, 1
store i32 %25, i32* %5
br label %6
26: ; preds = %6
%27 = load i32, i32* %5
%28 = srem i32 %27, 6
%29 = icmp ne i32 %28, 0
br i1 %29, label %30, label %32
30: ; preds = %26
%31 = call i32 @putchar(i8 signext 10)
br label %32
32: ; preds = %30, %26
ret void
}

LLVM IR (-O2):
@.str = [7 x i8] c"%9.4f \00"
define void @showarray(double* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %24
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %16
%7 = phi i64 [ 0, %4 ], [ %17, %16 ]
%8 = getelementptr inbounds double, double* %0, i64 %7
%9 = load double, double* %8
%10 = tail call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), double %9)
%11 = trunc i64 %7 to i32
%12 = urem i32 %11, 6
%13 = icmp eq i32 %12, 5
br i1 %13, label %14, label %16
14: ; preds = %6
%15 = tail call i32 @putchar(i8 signext 10)
br label %16
16: ; preds = %6, %14
%17 = add nuw nsw i64 %7, 1
%18 = icmp eq i64 %17, %5
br i1 %18, label %19, label %6
19: ; preds = %16
%20 = urem i32 %1, 6
%21 = icmp eq i32 %20, 0
br i1 %21, label %24, label %22
22: ; preds = %19
%23 = tail call i32 @putchar(i8 signext 10)
br label %24
24: ; preds = %2, %22, %19
ret void
}