#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 larger1(int, int);
int *larger2(int *, int *);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *, int *);
int main(int argc, char *argv[]) {
  int a, b, bigger1, *bigger2;
  printf("Enter two integer values: ");
  scanf("%d %d", &a, &b);
  bigger1 = larger1(a, b);
  printf("\nThe larger value is %d.", bigger1);
  bigger2 = larger2(&a, &b);
  printf("\nThe larger value is %d.\n", *bigger2);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xea3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb0(%rip),%rdi
lea    -0x14(%rbp),%rsi
lea    -0x18(%rbp),%rdx
call   1050 <scanf@plt>
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1040 <larger1@plt>
mov    %eax,-0x1c(%rbp)
mov    -0x1c(%rbp),%esi
lea    0xe91(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x14(%rbp),%rdi
lea    -0x18(%rbp),%rsi
call   1060 <larger2@plt>
mov    %rax,-0x28(%rbp)
mov    -0x28(%rbp),%rax
mov    (%rax),%esi
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xeb5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec2(%rip),%rdi
lea    0x4(%rsp),%rbx
mov    %rsp,%r14
mov    %rbx,%rsi
mov    %r14,%rdx
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1040 <larger1@plt>
lea    0xea2(%rip),%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
call   1060 <larger2@plt>
mov    (%rax),%esi
lea    0xe9e(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Enter two integer values: \00"
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [25 x i8] c"\0AThe larger value is %d.\00"
@.str.3 = [26 x i8] c"\0AThe larger value is %d.\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %6, i32* %7)
%12 = load i32, i32* %6
%13 = load i32, i32* %7
%14 = call i32 @larger1(i32 %12, i32 %13)
store i32 %14, i32* %8
%15 = load i32, i32* %8
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i32 %15)
%17 = call i32* @larger2(i32* %6, i32* %7)
store i32* %17, i32** %9
%18 = load i32*, i32** %9
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i32 %19)
ret i32 0
}

LLVM IR (-O2):
@.str = [27 x i8] c"Enter two integer values: \00"
@.str.1 = [6 x i8] c"%d %d\00"
@.str.2 = [25 x i8] c"\0AThe larger value is %d.\00"
@.str.3 = [26 x i8] c"\0AThe larger value is %d.\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = alloca i32
%5 = bitcast i32* %3 to i8*
%6 = bitcast i32* %4 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i32* %3, i32* %4)
%9 = load i32, i32* %3
%10 = load i32, i32* %4
%11 = call i32 @larger1(i32 %9, i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i32 %11)
%13 = call i32* @larger2(i32* %3, i32* %4)
%14 = load i32, i32* %13
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i32 %14)
ret i32 0
}