#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 */
typedef int /*<<< orphan*/ a;

/* Variables and functions */
int goodPivot(int *, int /*<<< orphan*/, int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int a[] = {10, 30, 60, 100, 1, 2, 7, 9, 80, 40, 55, 22, 99, 120, 108, 6};
  int size = sizeof(a) / sizeof(a[0]);
  int k = goodPivot(a, 0, size - 1);
  printf("The median is index %d,  %d\n", k, a[k]);
  printf("\n");
  for (int i = 0; i < size; ++i) {
    printf("%d ", a[i]);
  }
  printf("\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x60,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    -0x50(%rbp),%rdi
lea    0xeaf(%rip),%rsi
mov    $0x40,%edx
call   1040 <memcpy@plt>
movl   $0x10,-0x54(%rbp)
lea    -0x50(%rbp),%rdi
mov    -0x54(%rbp),%edx
sub    $0x1,%edx
xor    %esi,%esi
call   1050 <goodPivot@plt>
mov    %eax,-0x58(%rbp)
mov    -0x58(%rbp),%esi
movslq -0x58(%rbp),%rax
mov    -0x50(%rbp,%rax,4),%edx
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x5c(%rbp)
mov    -0x5c(%rbp),%eax
cmp    -0x54(%rbp),%eax
jge    11d4 <main+0xa4>
movslq -0x5c(%rbp),%rax
mov    -0x50(%rbp,%rax,4),%esi
lea    0xe9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x5c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x5c(%rbp)
jmp    11a4 <main+0x74>
lea    0xe80(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x60,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x40,%rsp
movaps 0xef4(%rip),%xmm0
movaps %xmm0,0x30(%rsp)
movaps 0xed8(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xebc(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xea0(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rdi
xor    %esi,%esi
mov    $0xf,%edx
call   1050 <goodPivot@plt>
movslq %eax,%rsi
mov    (%rsp,%rsi,4),%edx
lea    0xec0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    (%rsp),%esi
lea    0xec2(%rip),%rbx
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x24(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x28(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x2c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x30(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x34(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x38(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x3c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@__const.main.a = [16 x i32] [i32 10, i32 30, i32 60, i32 100, i32 1, i32 2, i32 7, i32 9, i32 80, i32 40, i32 55, i32 22, i32 99, i32 120, i32 108, i32 6]
@.str = [29 x i8] c"The median is index %d, %d\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [4 x i8] c"%d \00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [16 x i32]
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = bitcast [16 x i32]* %6 to i8*
store i32 16, i32* %7
%11 = getelementptr inbounds [16 x i32], [16 x i32]* %6, i64 0, i64 0
%12 = load i32, i32* %7
%13 = sub nsw i32 %12, 1
%14 = call i32 @goodPivot(i32* %11, i32 0, i32 %13)
store i32 %14, i32* %8
%15 = load i32, i32* %8
%16 = load i32, i32* %8
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds [16 x i32], [16 x i32]* %6, i64 0, i64 %17
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0), i32 %15, i32 %19)
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %9
br label %22
22: ; preds = %32, %2
%23 = load i32, i32* %9
%24 = load i32, i32* %7
%25 = icmp slt i32 %23, %24
br i1 %25, label %26, label %35
26: ; preds = %22
%27 = load i32, i32* %9
%28 = sext i32 %27 to i64
%29 = getelementptr inbounds [16 x i32], [16 x i32]* %6, i64 0, i64 %28
%30 = load i32, i32* %29
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %30)
br label %32
32: ; preds = %26
%33 = load i32, i32* %9
%34 = add nsw i32 %33, 1
store i32 %34, i32* %9
br label %22
35: ; preds = %22
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@__const.main.a = [16 x i32] [i32 10, i32 30, i32 60, i32 100, i32 1, i32 2, i32 7, i32 9, i32 80, i32 40, i32 55, i32 22, i32 99, i32 120, i32 108, i32 6]
@.str = [29 x i8] c"The median is index %d, %d\0A\00"
@.str.2 = [4 x i8] c"%d \00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [16 x i32]
%4 = bitcast [16 x i32]* %3 to i8*
%5 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 0
%6 = call i32 @goodPivot(i32* %5, i32 0, i32 15)
%7 = sext i32 %6 to i64
%8 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 %7
%9 = load i32, i32* %8
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0), i32 %6, i32 %9)
%11 = call i32 @putchar(i32 10)
%12 = load i32, i32* %5
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %12)
%14 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 1
%15 = load i32, i32* %14
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 2
%18 = load i32, i32* %17
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %18)
%20 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 3
%21 = load i32, i32* %20
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %21)
%23 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 4
%24 = load i32, i32* %23
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %24)
%26 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 5
%27 = load i32, i32* %26
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %27)
%29 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 6
%30 = load i32, i32* %29
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %30)
%32 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 7
%33 = load i32, i32* %32
%34 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %33)
%35 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 8
%36 = load i32, i32* %35
%37 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %36)
%38 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 9
%39 = load i32, i32* %38
%40 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %39)
%41 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 10
%42 = load i32, i32* %41
%43 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %42)
%44 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 11
%45 = load i32, i32* %44
%46 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %45)
%47 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 12
%48 = load i32, i32* %47
%49 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %48)
%50 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 13
%51 = load i32, i32* %50
%52 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %51)
%53 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 14
%54 = load i32, i32* %53
%55 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %54)
%56 = getelementptr inbounds [16 x i32], [16 x i32]* %3, i64 0, i64 15
%57 = load i32, i32* %56
%58 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %57)
%59 = call i32 @putchar(i32 10)
ret i32 0
}