#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*/ getchar();
int /*<<< orphan*/ printArray(int *, int);
int /*<<< orphan*/ printf(char *, int, int);
int quickSelect(int *, int /*<<< orphan*/, int, int);
int main() {
  int A[] = {10, 2, 9, 3, 8, 4, 7, 5, 6, 1};
  printArray(A, 10);
  int i;
  for (i = 1; i <= 10; i++) {
    printf("The %dth smallest element is %d.\n", i, quickSelect(A, 0, 9, i));
  }
  getchar();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x30(%rbp),%rdi
lea    0xe96(%rip),%rsi
mov    $0x28,%edx
call   1060 <memcpy@plt>
lea    -0x30(%rbp),%rdi
mov    $0xa,%esi
call   1070 <printArray@plt>
movl   $0x1,-0x34(%rbp)
cmpl   $0xa,-0x34(%rbp)
jg     11cb <main+0x7b>
mov    -0x34(%rbp),%eax
mov    %eax,-0x38(%rbp)
lea    -0x30(%rbp),%rdi
mov    -0x34(%rbp),%ecx
xor    %esi,%esi
mov    $0x9,%edx
call   1030 <quickSelect@plt>
mov    -0x38(%rbp),%esi
mov    %eax,%edx
lea    0xe70(%rip),%rdi
call   1040 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1189 <main+0x39>
mov    $0x0,%al
call   1050 <getchar@plt>
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x28,%rsp
mov    0xed2(%rip),%rax
mov    %rax,0x20(%rsp)
movaps 0xeb6(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xe9a(%rip),%xmm0
movaps %xmm0,(%rsp)
mov    %rsp,%rbx
mov    %rbx,%rdi
mov    $0xa,%esi
call   1060 <printArray@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x1,%ecx
call   1030 <quickSelect@plt>
lea    0xe93(%rip),%r14
mov    %r14,%rdi
mov    $0x1,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x2,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x2,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x3,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x3,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x4,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x4,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x5,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x5,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x6,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x6,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x7,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x7,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x8,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x8,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0x9,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0x9,%esi
mov    %eax,%edx
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x9,%edx
mov    $0xa,%ecx
call   1030 <quickSelect@plt>
mov    %r14,%rdi
mov    $0xa,%esi
mov    %eax,%edx
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@__const.main.A = [10 x i32] [i32 10, i32 2, i32 9, i32 3, i32 8, i32 4, i32 7, i32 5, i32 6, i32 1]
@.str = [34 x i8] c"The %dth smallest element is %d.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x i32]
%3 = alloca i32
store i32 0, i32* %1
%4 = bitcast [10 x i32]* %2 to i8*
%5 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 0
%6 = call i32 @printArray(i32* %5, i32 10)
store i32 1, i32* %3
br label %7
7: ; preds = %16, %0
%8 = load i32, i32* %3
%9 = icmp sle i32 %8, 10
br i1 %9, label %10, label %19
10: ; preds = %7
%11 = load i32, i32* %3
%12 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 0
%13 = load i32, i32* %3
%14 = call i32 @quickSelect(i32* %12, i32 0, i32 9, i32 %13)
%15 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 %11, i32 %14)
br label %16
16: ; preds = %10
%17 = load i32, i32* %3
%18 = add nsw i32 %17, 1
store i32 %18, i32* %3
br label %7
19: ; preds = %7
%20 = call i32 (...) @getchar()
%21 = load i32, i32* %1
ret i32 %21
}

LLVM IR (-O2):
@__const.main.A = [10 x i32] [i32 10, i32 2, i32 9, i32 3, i32 8, i32 4, i32 7, i32 5, i32 6, i32 1]
@.str = [34 x i8] c"The %dth smallest element is %d.\0A\00"
define i32 @main() {
%1 = alloca [10 x i32]
%2 = bitcast [10 x i32]* %1 to i8*
%3 = getelementptr inbounds [10 x i32], [10 x i32]* %1, i64 0, i64 0
%4 = call i32 @printArray(i32* %3, i32 10)
%5 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 1)
%6 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 1, i32 %5)
%7 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 2)
%8 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 2, i32 %7)
%9 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 3)
%10 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 3, i32 %9)
%11 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 4)
%12 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 4, i32 %11)
%13 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 5)
%14 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 5, i32 %13)
%15 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 6)
%16 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 6, i32 %15)
%17 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 7)
%18 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 7, i32 %17)
%19 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 8)
%20 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 8, i32 %19)
%21 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 9)
%22 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 9, i32 %21)
%23 = call i32 @quickSelect(i32* %3, i32 0, i32 9, i32 10)
%24 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0), i32 10, i32 %23)
%25 = call i32 (...) @getchar()
ret i32 0
}