#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 */
double max_tab(double *, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, ...);
int main() {
  int ilosc, i;
  printf("Podaj ilosc liczb ");
  scanf("%d", &ilosc);
  double tab[ilosc];
  for (i = 0; i < ilosc; i++) {
    scanf("%lf", &tab[i]);
  }
  double wynik = max_tab(tab, ilosc);
  printf("%lf\n", wynik);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
xor    %eax,%eax
mov    %al,-0x31(%rbp)
call   1030 <printf@plt>
mov    -0x31(%rbp),%al
lea    0xeb9(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %rsp,%rcx
mov    %rcx,-0x18(%rbp)
lea    0xf(,%rax,8),%rdx
and    $0xfffffffffffffff0,%rdx
mov    %rsp,%rcx
sub    %rdx,%rcx
mov    %rcx,-0x30(%rbp)
mov    %rcx,%rsp
mov    %rax,-0x20(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11c8 <main+0x98>
mov    -0x30(%rbp),%rsi
movslq -0xc(%rbp),%rax
shl    $0x3,%rax
add    %rax,%rsi
lea    0xe63(%rip),%rdi
mov    $0x0,%al
call   1050 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1191 <main+0x61>
mov    -0x30(%rbp),%rdi
mov    -0x8(%rbp),%esi
call   1040 <max_tab@plt>
movsd  %xmm0,-0x28(%rbp)
movsd  -0x28(%rbp),%xmm0
lea    0xe35(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
mov    %rax,%rsp
mov    -0x4(%rbp),%eax
mov    %rbp,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
mov    %rsp,%rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
lea    0xebb(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
lea    -0x2c(%rbp),%rsi
xor    %eax,%eax
call   1050 <scanf@plt>
mov    %rsp,%r12
mov    -0x2c(%rbp),%eax
mov    %rsp,%r14
lea    0xf(,%rax,8),%rax
and    $0xfffffffffffffff0,%rax
sub    %rax,%r14
mov    %r14,%rsp
mov    -0x2c(%rbp),%esi
test   %esi,%esi
jle    11ae <main+0x7e>
lea    0xe8f(%rip),%r15
mov    %r14,%r13
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    %r15,%rdi
mov    %r13,%rsi
xor    %eax,%eax
call   1050 <scanf@plt>
add    $0x1,%rbx
movslq -0x2c(%rbp),%rsi
add    $0x8,%r13
cmp    %rsi,%rbx
jl     1190 <main+0x60>
mov    %r14,%rdi
call   1040 <max_tab@plt>
lea    0xe5d(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    %r12,%rsp
xor    %eax,%eax
lea    -0x28(%rbp),%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Podaj ilosc liczb \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c"%lf\00"
@.str.3 = [5 x i8] c"%lf\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i64
%6 = alloca double
store i32 0, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%8 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %2
%10 = zext i32 %9 to i64
%11 = call i8* @llvm.stacksave()
store i8* %11, i8** %4
%12 = alloca double, i64 %10
store i64 %10, i64* %5
store i32 0, i32* %3
br label %13
13: ; preds = %22, %0
%14 = load i32, i32* %3
%15 = load i32, i32* %2
%16 = icmp slt i32 %14, %15
br i1 %16, label %17, label %25
17: ; preds = %13
%18 = load i32, i32* %3
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds double, double* %12, i64 %19
%21 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), double* %20)
br label %22
22: ; preds = %17
%23 = load i32, i32* %3
%24 = add nsw i32 %23, 1
store i32 %24, i32* %3
br label %13
25: ; preds = %13
%26 = load i32, i32* %2
%27 = call double @max_tab(double* %12, i32 %26)
store double %27, double* %6
%28 = load double, double* %6
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), double %28)
%30 = load i8*, i8** %4
%31 = load i32, i32* %1
ret i32 %31
}

LLVM IR (-O2):
@.str = [19 x i8] c"Podaj ilosc liczb \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c"%lf\00"
@.str.3 = [5 x i8] c"%lf\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = zext i32 %5 to i64
%7 = call i8* @llvm.stacksave()
%8 = alloca double, i64 %6
%9 = load i32, i32* %1
%10 = icmp sgt i32 %9, 0
br i1 %10, label %11, label %19
11: ; preds = %0, %11
%12 = phi i64 [ %15, %11 ], [ 0, %0 ]
%13 = getelementptr inbounds double, double* %8, i64 %12
%14 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), double* %13)
%15 = add nuw nsw i64 %12, 1
%16 = load i32, i32* %1
%17 = sext i32 %16 to i64
%18 = icmp slt i64 %15, %17
br i1 %18, label %11, label %19
19: ; preds = %11, %0
%20 = phi i32 [ %9, %0 ], [ %16, %11 ]
%21 = call double @max_tab(double* %8, i32 %20)
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), double %21)
ret i32 0
}