#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 print_arr(double *arr, int size) {
  int i;
  printf("{ ");
  for (i = 0; i < size; i++) {
    printf("%.3f%s ", arr[i], i < size - 1 ? "," : "");
  }
  printf("}");
}


x86 assembly (clang, -O0):
<print_arr>:
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    1186 <print_arr+0x76>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x10(%rbp),%ecx
mov    -0xc(%rbp),%edx
sub    $0x1,%edx
lea    0xead(%rip),%rsi
lea    0xea7(%rip),%rax
cmp    %edx,%ecx
cmovl  %rax,%rsi
lea    0xe92(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1134 <print_arr+0x24>
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_arr>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
mov    %esi,%r14d
mov    %rdi,%r15
lea    0xec8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
test   %r14d,%r14d
jle    118a <print_arr+0x6a>
lea    -0x1(%r14),%r12d
mov    %r14d,%r13d
xor    %ebx,%ebx
lea    0xeb6(%rip),%rbp
lea    0xea8(%rip),%r14
nopl   0x0(%rax,%rax,1)
movsd  (%r15,%rbx,8),%xmm0
cmp    %r12,%rbx
mov    %rbp,%rsi
lea    0xe98(%rip),%rax
cmovb  %rax,%rsi
mov    %r14,%rdi
mov    $0x1,%al
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r13
jne    1160 <print_arr+0x40>
mov    $0x7d,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"{ \00"
@.str.1 = [8 x i8] c"%.3f%s \00"
@.str.2 = [2 x i8] c",\00"
@.str.3 = [1 x i8] zeroinitializer
@.str.4 = [2 x i8] c"}\00"
define void @print_arr(double* %0, i32 %1) {
%3 = alloca double*
%4 = alloca i32
%5 = alloca i32
store double* %0, double** %3
store i32 %1, i32* %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 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 double*, double** %3
%13 = load i32, i32* %5
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds double, double* %12, i64 %14
%16 = load double, double* %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 ([2 x i8], [2 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 ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), double %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 ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"{ \00"
@.str.1 = [8 x i8] c"%.3f%s \00"
@.str.2 = [2 x i8] c",\00"
@.str.3 = [1 x i8] zeroinitializer
define void @print_arr(double* nocapture %0, i32 %1) {
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%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 double, double* %0, i64 %10
%12 = load double, double* %11
%13 = icmp ult i64 %10, %7
%14 = select i1 %13, i8* getelementptr inbounds ([2 x i8], [2 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 ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0), double %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 @putchar(i32 125)
ret void
}