#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*/ puts(char *);
int /*<<< orphan*/ scanf(char *, int *);
int getMatOperation() {
  int option;
  puts("\n");
  puts("=====================================================");
  puts(" Matrix Menu:");
  puts("=====================================================");
  puts(" 1: Add");
  puts(" 2: Subtract");
  puts(" 3: Transpose");
  puts(" 4: Multiply");
  puts(" 5: Modify Matrix Elements");
  puts(" 6: Display Matrix");
  puts(" 99: Return to Main Menu\n");
  printf(">> ");
  scanf("%d", &option);
  return option;
}


x86 assembly (clang, -O0):
<getMatOperation>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xf7b(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb5(%rip),%rdi
call   1030 <puts@plt>
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xe9d(%rip),%rdi
call   1030 <puts@plt>
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xed1(%rip),%rdi
call   1030 <puts@plt>
lea    0xed2(%rip),%rdi
call   1030 <puts@plt>
lea    0xed4(%rip),%rdi
call   1030 <puts@plt>
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xeeb(%rip),%rdi
call   1030 <puts@plt>
lea    0xef9(%rip),%rdi
call   1040 <printf@plt>
lea    0xef1(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<getMatOperation>:
push   %rbx
sub    $0x10,%rsp
lea    0xf7e(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb8(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xed9(%rip),%rdi
call   1030 <puts@plt>
lea    0xed5(%rip),%rdi
call   1030 <puts@plt>
lea    0xed6(%rip),%rdi
call   1030 <puts@plt>
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xed9(%rip),%rdi
call   1030 <puts@plt>
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xefd(%rip),%rdi
call   1040 <printf@plt>
lea    0xef5(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [54 x i8] c"=====================================================\00"
@.str.2 = [14 x i8] c" Matrix Menu:\00"
@.str.3 = [8 x i8] c" 1: Add\00"
@.str.4 = [13 x i8] c" 2: Subtract\00"
@.str.5 = [14 x i8] c" 3: Transpose\00"
@.str.6 = [13 x i8] c" 4: Multiply\00"
@.str.7 = [27 x i8] c" 5: Modify Matrix Elements\00"
@.str.8 = [19 x i8] c" 6: Display Matrix\00"
@.str.9 = [26 x i8] c" 99: Return to Main Menu\0A\00"
@.str.10 = [4 x i8] c">> \00"
@.str.11 = [3 x i8] c"%d\00"
define i32 @getMatOperation() {
%1 = alloca i32
%2 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @puts(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @puts(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @puts(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%7 = call i32 @puts(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0))
%8 = call i32 @puts(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
%9 = call i32 @puts(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.6, i64 0, i64 0))
%10 = call i32 @puts(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.7, i64 0, i64 0))
%11 = call i32 @puts(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.8, i64 0, i64 0))
%12 = call i32 @puts(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.9, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0))
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.11, i64 0, i64 0), i32* %1)
%15 = load i32, i32* %1
ret i32 %15
}

LLVM IR (-O2):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [54 x i8] c"=====================================================\00"
@.str.2 = [14 x i8] c" Matrix Menu:\00"
@.str.3 = [8 x i8] c" 1: Add\00"
@.str.4 = [13 x i8] c" 2: Subtract\00"
@.str.5 = [14 x i8] c" 3: Transpose\00"
@.str.6 = [13 x i8] c" 4: Multiply\00"
@.str.7 = [27 x i8] c" 5: Modify Matrix Elements\00"
@.str.8 = [19 x i8] c" 6: Display Matrix\00"
@.str.9 = [26 x i8] c" 99: Return to Main Menu\0A\00"
@.str.10 = [4 x i8] c">> \00"
@.str.11 = [3 x i8] c"%d\00"
define i32 @getMatOperation() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.6, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.7, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.8, i64 0, i64 0))
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.9, i64 0, i64 0))
%14 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.11, i64 0, i64 0), i32* %1)
%16 = load i32, i32* %1
ret i32 %16
}