#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*/ swap(int *, int *);
void insertion_sort(int arr[], int n) {
  int i, j;
  for (i = 1; i < n; i++) {
    j = i;
    while ((j > 0) && (arr[j] < arr[j - 1])) {
      swap(&arr[j], &arr[j - 1]);
      j--;
    }
  }
}


x86 assembly (clang, -O0):
<insertion_sort>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x1,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11c0 <insertion_sort+0xb0>
mov    -0x10(%rbp),%eax
mov    %eax,-0x14(%rbp)
xor    %eax,%eax
cmpl   $0x0,-0x14(%rbp)
mov    %al,-0x15(%rbp)
jle    1168 <insertion_sort+0x58>
mov    -0x8(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,4),%eax
mov    -0x8(%rbp),%rcx
mov    -0x14(%rbp),%edx
sub    $0x1,%edx
movslq %edx,%rdx
cmp    (%rcx,%rdx,4),%eax
setl   %al
mov    %al,-0x15(%rbp)
mov    -0x15(%rbp),%al
test   $0x1,%al
jne    1178 <insertion_sort+0x68>
jmp    11ad <insertion_sort+0x9d>
mov    -0x8(%rbp),%rdi
movslq -0x14(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rdi
mov    -0x8(%rbp),%rsi
mov    -0x14(%rbp),%eax
sub    $0x1,%eax
cltq
shl    $0x2,%rax
add    %rax,%rsi
call   1030 <swap@plt>
mov    -0x14(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x14(%rbp)
jmp    1138 <insertion_sort+0x28>
jmp    11b2 <insertion_sort+0xa2>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1126 <insertion_sort+0x16>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<insertion_sort>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
cmp    $0x2,%esi
jl     1174 <insertion_sort+0x64>
mov    %esi,%r14d
mov    %rdi,%rbx
mov    $0x1,%r15d
mov    $0x2,%r12d
jmp    114d <insertion_sort+0x3d>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
add    $0x1,%r15d
add    $0x1,%r12d
cmp    %r14d,%r15d
je     1174 <insertion_sort+0x64>
mov    %r12d,%ebp
mov    %ebp,%eax
lea    -0x1(%rax),%ebp
mov    (%rbx,%rbp,4),%ecx
add    $0xfffffffe,%eax
cmp    (%rbx,%rax,4),%ecx
jge    1140 <insertion_sort+0x30>
lea    (%rbx,%rbp,4),%rdi
lea    (%rbx,%rax,4),%rsi
call   1030 <swap@plt>
cmp    $0x1,%ebp
jg     1150 <insertion_sort+0x40>
jmp    1140 <insertion_sort+0x30>
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @insertion_sort(i32* %0, i32 %1) {
%3 = alloca i32*
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32* %0, i32** %3
store i32 %1, i32* %4
store i32 1, i32* %5
br label %7
7: ; preds = %45, %2
%8 = load i32, i32* %5
%9 = load i32, i32* %4
%10 = icmp slt i32 %8, %9
br i1 %10, label %11, label %48
11: ; preds = %7
%12 = load i32, i32* %5
store i32 %12, i32* %6
br label %13
13: ; preds = %31, %11
%14 = load i32, i32* %6
%15 = icmp sgt i32 %14, 0
br i1 %15, label %16, label %29
16: ; preds = %13
%17 = load i32*, i32** %3
%18 = load i32, i32* %6
%19 = sext i32 %18 to i64
%20 = getelementptr inbounds i32, i32* %17, i64 %19
%21 = load i32, i32* %20
%22 = load i32*, i32** %3
%23 = load i32, i32* %6
%24 = sub nsw i32 %23, 1
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds i32, i32* %22, i64 %25
%27 = load i32, i32* %26
%28 = icmp slt i32 %21, %27
br label %29
29: ; preds = %16, %13
%30 = phi i1 [ false, %13 ], [ %28, %16 ]
br i1 %30, label %31, label %44
31: ; preds = %29
%32 = load i32*, i32** %3
%33 = load i32, i32* %6
%34 = sext i32 %33 to i64
%35 = getelementptr inbounds i32, i32* %32, i64 %34
%36 = load i32*, i32** %3
%37 = load i32, i32* %6
%38 = sub nsw i32 %37, 1
%39 = sext i32 %38 to i64
%40 = getelementptr inbounds i32, i32* %36, i64 %39
%41 = call i32 @swap(i32* %35, i32* %40)
%42 = load i32, i32* %6
%43 = add nsw i32 %42, -1
store i32 %43, i32* %6
br label %13
44: ; preds = %29
br label %45
45: ; preds = %44
%46 = load i32, i32* %5
%47 = add nsw i32 %46, 1
store i32 %47, i32* %5
br label %7
48: ; preds = %7
ret void
}

LLVM IR (-O2):
define void @insertion_sort(i32* %0, i32 %1) {
%3 = icmp sgt i32 %1, 1
br i1 %3, label %4, label %22
4: ; preds = %2, %19
%5 = phi i32 [ %20, %19 ], [ 1, %2 ]
br label %6
6: ; preds = %4, %16
%7 = phi i32 [ %5, %4 ], [ %11, %16 ]
%8 = zext i32 %7 to i64
%9 = getelementptr inbounds i32, i32* %0, i64 %8
%10 = load i32, i32* %9
%11 = add nsw i32 %7, -1
%12 = zext i32 %11 to i64
%13 = getelementptr inbounds i32, i32* %0, i64 %12
%14 = load i32, i32* %13
%15 = icmp slt i32 %10, %14
br i1 %15, label %16, label %19
16: ; preds = %6
%17 = tail call i32 @swap(i32* %9, i32* %13)
%18 = icmp sgt i32 %7, 1
br i1 %18, label %6, label %19
19: ; preds = %6, %16
%20 = add nuw nsw i32 %5, 1
%21 = icmp eq i32 %20, %1
br i1 %21, label %22, label %4
22: ; preds = %19, %2
ret void
}