#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 /*<<< orphan*/ scanf(char *, int *);
int main() {
  int i, j, a[3][3];
  printf("Enter the matrix");
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 3; j++) {
      scanf("%d", &a[i][j]);
    }
  }
  printf("The upper triangle matrix is \n\n");
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 3; j++) {
      if (i > j) {
        printf(" ");
      } else {
        printf("%d", a[i][j]);
      }
    }
  }
  printf("The lower triangle matrix is \n\n");
  for (i = 0; i < 3; i++) {
    for (j = 0; j < 3; j++) {
      if (i < j) {
        printf(" ");
      } else {
        printf("%d", a[i][j]);
      }
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    11a6 <main+0x86>
movl   $0x0,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jge    1193 <main+0x73>
movslq -0x8(%rbp),%rax
lea    -0x30(%rbp),%rsi
imul   $0xc,%rax,%rax
add    %rax,%rsi
movslq -0xc(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe91(%rip),%rdi
call   1040 <scanf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1155 <main+0x35>
jmp    1198 <main+0x78>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1144 <main+0x24>
lea    0xe67(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    123f <main+0x11f>
movl   $0x0,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jge    122c <main+0x10c>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jle    11f5 <main+0xd5>
lea    0xe4b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1219 <main+0xf9>
movslq -0x8(%rbp),%rcx
lea    -0x30(%rbp),%rax
imul   $0xc,%rcx,%rcx
add    %rcx,%rax
movslq -0xc(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xdff(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    121e <main+0xfe>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    11cc <main+0xac>
jmp    1231 <main+0x111>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    11bb <main+0x9b>
lea    0xdf0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x3,-0x8(%rbp)
jge    12d8 <main+0x1b8>
movl   $0x0,-0xc(%rbp)
cmpl   $0x3,-0xc(%rbp)
jge    12c5 <main+0x1a5>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    128e <main+0x16e>
lea    0xdb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12b2 <main+0x192>
movslq -0x8(%rbp),%rcx
lea    -0x30(%rbp),%rax
imul   $0xc,%rcx,%rcx
add    %rcx,%rax
movslq -0xc(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xd66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12b7 <main+0x197>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1265 <main+0x145>
jmp    12ca <main+0x1aa>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1254 <main+0x134>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x30,%rsp
lea    0xeb4(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeb7(%rip),%rbx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0x20(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xe40(%rip),%rdi
call   1040 <puts@plt>
mov    (%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xde2(%rip),%rdi
call   1040 <puts@plt>
mov    (%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0x20,%edi
call   1030 <putchar@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x1c(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x20(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [17 x i8] c"Enter the matrix\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [32 x i8] c"The upper triangle matrix is \0A\0A\00"
@.str.3 = [2 x i8] c" \00"
@.str.4 = [32 x i8] c"The lower triangle matrix is \0A\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca [3 x [3 x i32]]
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %6
6: ; preds = %25, %0
%7 = load i32, i32* %2
%8 = icmp slt i32 %7, 3
br i1 %8, label %9, label %28
9: ; preds = %6
store i32 0, i32* %3
br label %10
10: ; preds = %21, %9
%11 = load i32, i32* %3
%12 = icmp slt i32 %11, 3
br i1 %12, label %13, label %24
13: ; preds = %10
%14 = load i32, i32* %2
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %4, i64 0, i64 %15
%17 = load i32, i32* %3
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds [3 x i32], [3 x i32]* %16, i64 0, i64 %18
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %19)
br label %21
21: ; preds = %13
%22 = load i32, i32* %3
%23 = add nsw i32 %22, 1
store i32 %23, i32* %3
br label %10
24: ; preds = %10
br label %25
25: ; preds = %24
%26 = load i32, i32* %2
%27 = add nsw i32 %26, 1
store i32 %27, i32* %2
br label %6
28: ; preds = %6
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %2
br label %30
30: ; preds = %57, %28
%31 = load i32, i32* %2
%32 = icmp slt i32 %31, 3
br i1 %32, label %33, label %60
33: ; preds = %30
store i32 0, i32* %3
br label %34
34: ; preds = %53, %33
%35 = load i32, i32* %3
%36 = icmp slt i32 %35, 3
br i1 %36, label %37, label %56
37: ; preds = %34
%38 = load i32, i32* %2
%39 = load i32, i32* %3
%40 = icmp sgt i32 %38, %39
br i1 %40, label %41, label %43
41: ; preds = %37
%42 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %52
43: ; preds = %37
%44 = load i32, i32* %2
%45 = sext i32 %44 to i64
%46 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %4, i64 0, i64 %45
%47 = load i32, i32* %3
%48 = sext i32 %47 to i64
%49 = getelementptr inbounds [3 x i32], [3 x i32]* %46, i64 0, i64 %48
%50 = load i32, i32* %49
%51 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %50)
br label %52
52: ; preds = %43, %41
br label %53
53: ; preds = %52
%54 = load i32, i32* %3
%55 = add nsw i32 %54, 1
store i32 %55, i32* %3
br label %34
56: ; preds = %34
br label %57
57: ; preds = %56
%58 = load i32, i32* %2
%59 = add nsw i32 %58, 1
store i32 %59, i32* %2
br label %30
60: ; preds = %30
%61 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0))
store i32 0, i32* %2
br label %62
62: ; preds = %89, %60
%63 = load i32, i32* %2
%64 = icmp slt i32 %63, 3
br i1 %64, label %65, label %92
65: ; preds = %62
store i32 0, i32* %3
br label %66
66: ; preds = %85, %65
%67 = load i32, i32* %3
%68 = icmp slt i32 %67, 3
br i1 %68, label %69, label %88
69: ; preds = %66
%70 = load i32, i32* %2
%71 = load i32, i32* %3
%72 = icmp slt i32 %70, %71
br i1 %72, label %73, label %75
73: ; preds = %69
%74 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
br label %84
75: ; preds = %69
%76 = load i32, i32* %2
%77 = sext i32 %76 to i64
%78 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %4, i64 0, i64 %77
%79 = load i32, i32* %3
%80 = sext i32 %79 to i64
%81 = getelementptr inbounds [3 x i32], [3 x i32]* %78, i64 0, i64 %80
%82 = load i32, i32* %81
%83 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %82)
br label %84
84: ; preds = %75, %73
br label %85
85: ; preds = %84
%86 = load i32, i32* %3
%87 = add nsw i32 %86, 1
store i32 %87, i32* %3
br label %66
88: ; preds = %66
br label %89
89: ; preds = %88
%90 = load i32, i32* %2
%91 = add nsw i32 %90, 1
store i32 %91, i32* %2
br label %62
92: ; preds = %62
ret i32 0
}

LLVM IR (-O2):
@.str = [17 x i8] c"Enter the matrix\00"
@.str.1 = [3 x i8] c"%d\00"
@str = [31 x i8] c"The upper triangle matrix is \0A\00"
@str.5 = [31 x i8] c"The lower triangle matrix is \0A\00"
define i32 @main() {
%1 = alloca [3 x [3 x i32]]
%2 = bitcast [3 x [3 x i32]]* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%4 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 0, i64 0
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %4)
%6 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 0, i64 1
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %6)
%8 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 0, i64 2
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %8)
%10 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 1, i64 0
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %10)
%12 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 1, i64 1
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %12)
%14 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 1, i64 2
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %14)
%16 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 2, i64 0
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %16)
%18 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 2, i64 1
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %18)
%20 = getelementptr inbounds [3 x [3 x i32]], [3 x [3 x i32]]* %1, i64 0, i64 2, i64 2
%21 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %20)
%22 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str, i64 0, i64 0))
%23 = load i32, i32* %4
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %23)
%25 = load i32, i32* %6
%26 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %25)
%27 = load i32, i32* %8
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %27)
%29 = call i32 @putchar(i32 32)
%30 = load i32, i32* %12
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %30)
%32 = load i32, i32* %14
%33 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %32)
%34 = call i32 @putchar(i32 32)
%35 = call i32 @putchar(i32 32)
%36 = load i32, i32* %20
%37 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %36)
%38 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.5, i64 0, i64 0))
%39 = load i32, i32* %4
%40 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %39)
%41 = call i32 @putchar(i32 32)
%42 = call i32 @putchar(i32 32)
%43 = load i32, i32* %10
%44 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %43)
%45 = load i32, i32* %12
%46 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %45)
%47 = call i32 @putchar(i32 32)
%48 = load i32, i32* %16
%49 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %48)
%50 = load i32, i32* %18
%51 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %50)
%52 = load i32, i32* %20
%53 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %52)
ret i32 0
}