#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 *, int);
void main(void) {
  int v[99];
  for (int i = 0; i < 99; ++i) {
    v[i] = 98 - i;
  }
  for (int i = 0; i < 99; ++i) {
    v[i] = v[v[i]];
    printf("%d\n", v[v[i]]);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x1a0,%rsp
movl   $0x0,-0x194(%rbp)
cmpl   $0x63,-0x194(%rbp)
jge    115f <main+0x4f>
mov    $0x62,%ecx
sub    -0x194(%rbp),%ecx
movslq -0x194(%rbp),%rax
mov    %ecx,-0x190(%rbp,%rax,4)
mov    -0x194(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x194(%rbp)
jmp    1125 <main+0x15>
movl   $0x0,-0x198(%rbp)
cmpl   $0x63,-0x198(%rbp)
jge    11d0 <main+0xc0>
movslq -0x198(%rbp),%rax
movslq -0x190(%rbp,%rax,4),%rax
ff
mov    -0x190(%rbp,%rax,4),%ecx
movslq -0x198(%rbp),%rax
mov    %ecx,-0x190(%rbp,%rax,4)
movslq -0x198(%rbp),%rax
movslq -0x190(%rbp,%rax,4),%rax
ff
mov    -0x190(%rbp,%rax,4),%esi
lea    0xe49(%rip),%rdi
call   1030 <printf@plt>
mov    -0x198(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x198(%rbp)
jmp    1169 <main+0x59>
add    $0x1a0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x198,%rsp
movaps 0xedf(%rip),%xmm0
movaps %xmm0,(%rsp)
movaps 0xee4(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xee8(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xeec(%rip),%xmm0
movaps %xmm0,0x30(%rsp)
movaps 0xef0(%rip),%xmm0
movaps %xmm0,0x40(%rsp)
movaps 0xef4(%rip),%xmm0
movaps %xmm0,0x50(%rsp)
movaps 0xef8(%rip),%xmm0
movaps %xmm0,0x60(%rsp)
movaps 0xefc(%rip),%xmm0
movaps %xmm0,0x70(%rsp)
movaps 0xf00(%rip),%xmm0
movaps %xmm0,0x80(%rsp)
movaps 0xf01(%rip),%xmm0
movaps %xmm0,0x90(%rsp)
movaps 0xf02(%rip),%xmm0
movaps %xmm0,0xa0(%rsp)
movaps 0xf03(%rip),%xmm0
movaps %xmm0,0xb0(%rsp)
movaps 0xf04(%rip),%xmm0
movaps %xmm0,0xc0(%rsp)
movaps 0xf05(%rip),%xmm0
movaps %xmm0,0xd0(%rsp)
movaps 0xf06(%rip),%xmm0
movaps %xmm0,0xe0(%rsp)
movaps 0xf07(%rip),%xmm0
movaps %xmm0,0xf0(%rsp)
movaps 0xf08(%rip),%xmm0
movaps %xmm0,0x100(%rsp)
movaps 0xf09(%rip),%xmm0
movaps %xmm0,0x110(%rsp)
movaps 0xf0a(%rip),%xmm0
movaps %xmm0,0x120(%rsp)
movaps 0xf0b(%rip),%xmm0
movaps %xmm0,0x130(%rsp)
movaps 0xf0c(%rip),%xmm0
movaps %xmm0,0x140(%rsp)
movaps 0xf0d(%rip),%xmm0
movaps %xmm0,0x150(%rsp)
movaps 0xf0e(%rip),%xmm0
movaps %xmm0,0x160(%rsp)
movaps 0xf0f(%rip),%xmm0
movaps %xmm0,0x170(%rsp)
movabs $0x100000002,%rax
mov    %rax,0x180(%rsp)
movl   $0x0,0x188(%rsp)
xor    %ebx,%ebx
lea    0xef1(%rip),%r14
nop
movslq (%rsp,%rbx,4),%rax
movslq (%rsp,%rax,4),%rax
mov    %eax,(%rsp,%rbx,4)
mov    (%rsp,%rax,4),%esi
mov    %r14,%rdi
call   1030 <printf@plt>
add    $0x1,%rbx
cmp    $0x63,%rbx
jne    1290 <main+0x180>
add    $0x198,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
define void @main() {
%1 = alloca [99 x i32]
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %2
br label %4
4: ; preds = %13, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 99
br i1 %6, label %7, label %16
7: ; preds = %4
%8 = load i32, i32* %2
%9 = sub nsw i32 98, %8
%10 = load i32, i32* %2
%11 = sext i32 %10 to i64
%12 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %11
store i32 %9, i32* %12
br label %13
13: ; preds = %7
%14 = load i32, i32* %2
%15 = add nsw i32 %14, 1
store i32 %15, i32* %2
br label %4
16: ; preds = %4
store i32 0, i32* %3
br label %17
17: ; preds = %39, %16
%18 = load i32, i32* %3
%19 = icmp slt i32 %18, 99
br i1 %19, label %20, label %42
20: ; preds = %17
%21 = load i32, i32* %3
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %22
%24 = load i32, i32* %23
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %25
%27 = load i32, i32* %26
%28 = load i32, i32* %3
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %29
store i32 %27, i32* %30
%31 = load i32, i32* %3
%32 = sext i32 %31 to i64
%33 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %32
%34 = load i32, i32* %33
%35 = sext i32 %34 to i64
%36 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %35
%37 = load i32, i32* %36
%38 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %37)
br label %39
39: ; preds = %20
%40 = load i32, i32* %3
%41 = add nsw i32 %40, 1
store i32 %41, i32* %3
br label %17
42: ; preds = %17
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
define void @main() {
%1 = alloca [99 x i32]
%2 = bitcast [99 x i32]* %1 to i8*
%3 = bitcast [99 x i32]* %1 to <4 x i32>*
store <4 x i32> <i32 98, i32 97, i32 96, i32 95>, <4 x i32>* %3
%4 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 4
%5 = bitcast i32* %4 to <4 x i32>*
store <4 x i32> <i32 94, i32 93, i32 92, i32 91>, <4 x i32>* %5
%6 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 8
%7 = bitcast i32* %6 to <4 x i32>*
store <4 x i32> <i32 90, i32 89, i32 88, i32 87>, <4 x i32>* %7
%8 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 12
%9 = bitcast i32* %8 to <4 x i32>*
store <4 x i32> <i32 86, i32 85, i32 84, i32 83>, <4 x i32>* %9
%10 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 16
%11 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> <i32 82, i32 81, i32 80, i32 79>, <4 x i32>* %11
%12 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 20
%13 = bitcast i32* %12 to <4 x i32>*
store <4 x i32> <i32 78, i32 77, i32 76, i32 75>, <4 x i32>* %13
%14 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 24
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> <i32 74, i32 73, i32 72, i32 71>, <4 x i32>* %15
%16 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 28
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> <i32 70, i32 69, i32 68, i32 67>, <4 x i32>* %17
%18 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 32
%19 = bitcast i32* %18 to <4 x i32>*
store <4 x i32> <i32 66, i32 65, i32 64, i32 63>, <4 x i32>* %19
%20 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 36
%21 = bitcast i32* %20 to <4 x i32>*
store <4 x i32> <i32 62, i32 61, i32 60, i32 59>, <4 x i32>* %21
%22 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 40
%23 = bitcast i32* %22 to <4 x i32>*
store <4 x i32> <i32 58, i32 57, i32 56, i32 55>, <4 x i32>* %23
%24 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 44
%25 = bitcast i32* %24 to <4 x i32>*
store <4 x i32> <i32 54, i32 53, i32 52, i32 51>, <4 x i32>* %25
%26 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 48
%27 = bitcast i32* %26 to <4 x i32>*
store <4 x i32> <i32 50, i32 49, i32 48, i32 47>, <4 x i32>* %27
%28 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 52
%29 = bitcast i32* %28 to <4 x i32>*
store <4 x i32> <i32 46, i32 45, i32 44, i32 43>, <4 x i32>* %29
%30 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 56
%31 = bitcast i32* %30 to <4 x i32>*
store <4 x i32> <i32 42, i32 41, i32 40, i32 39>, <4 x i32>* %31
%32 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 60
%33 = bitcast i32* %32 to <4 x i32>*
store <4 x i32> <i32 38, i32 37, i32 36, i32 35>, <4 x i32>* %33
%34 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 64
%35 = bitcast i32* %34 to <4 x i32>*
store <4 x i32> <i32 34, i32 33, i32 32, i32 31>, <4 x i32>* %35
%36 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 68
%37 = bitcast i32* %36 to <4 x i32>*
store <4 x i32> <i32 30, i32 29, i32 28, i32 27>, <4 x i32>* %37
%38 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 72
%39 = bitcast i32* %38 to <4 x i32>*
store <4 x i32> <i32 26, i32 25, i32 24, i32 23>, <4 x i32>* %39
%40 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 76
%41 = bitcast i32* %40 to <4 x i32>*
store <4 x i32> <i32 22, i32 21, i32 20, i32 19>, <4 x i32>* %41
%42 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 80
%43 = bitcast i32* %42 to <4 x i32>*
store <4 x i32> <i32 18, i32 17, i32 16, i32 15>, <4 x i32>* %43
%44 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 84
%45 = bitcast i32* %44 to <4 x i32>*
store <4 x i32> <i32 14, i32 13, i32 12, i32 11>, <4 x i32>* %45
%46 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 88
%47 = bitcast i32* %46 to <4 x i32>*
store <4 x i32> <i32 10, i32 9, i32 8, i32 7>, <4 x i32>* %47
%48 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 92
%49 = bitcast i32* %48 to <4 x i32>*
store <4 x i32> <i32 6, i32 5, i32 4, i32 3>, <4 x i32>* %49
%50 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 96
store i32 2, i32* %50
%51 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 97
store i32 1, i32* %51
%52 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 98
store i32 0, i32* %52
br label %54
53: ; preds = %54
ret void
54: ; preds = %0, %54
%55 = phi i64 [ %65, %54 ], [ 0, %0 ]
%56 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %55
%57 = load i32, i32* %56
%58 = sext i32 %57 to i64
%59 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %58
%60 = load i32, i32* %59
store i32 %60, i32* %56
%61 = sext i32 %60 to i64
%62 = getelementptr inbounds [99 x i32], [99 x i32]* %1, i64 0, i64 %61
%63 = load i32, i32* %62
%64 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %63)
%65 = add nuw nsw i64 %55, 1
%66 = icmp eq i64 %65, 99
br i1 %66, label %53, label %54
}