#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 f(int, int);
int /*<<< orphan*/ printf(char *, int);
int main2() {
  int c;
  c = f(2, 3);
  printf("c = %d\n", c);
  c = f(4, 2);
  printf("c = %d\n", c);
  c = f(2, 4);
  printf("c = %d\n", c);
  c = f(3, 3);
  printf("c = %d\n", c);
  c = f(5, 1);
  printf("c = %d\n", c);
}


x86 assembly (clang, -O0):
<main2>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    $0x2,%edi
mov    $0x3,%esi
call   1030 <f@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xebc(%rip),%rdi
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x2,%esi
call   1030 <f@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe9b(%rip),%rdi
call   1040 <printf@plt>
mov    $0x2,%edi
mov    $0x4,%esi
call   1030 <f@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe7a(%rip),%rdi
call   1040 <printf@plt>
mov    $0x3,%esi
mov    %esi,%edi
call   1030 <f@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe5c(%rip),%rdi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0x1,%esi
call   1030 <f@plt>
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xe3b(%rip),%rdi
call   1040 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main2>:
push   %rbx
mov    $0x2,%edi
mov    $0x3,%esi
call   1030 <f@plt>
lea    0xec9(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x2,%esi
call   1030 <f@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x2,%edi
mov    $0x4,%esi
call   1030 <f@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x3,%edi
mov    $0x3,%esi
call   1030 <f@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
mov    $0x5,%edi
mov    $0x1,%esi
call   1030 <f@plt>
mov    %rbx,%rdi
mov    %eax,%esi
pop    %rbx
jmp    1040 <printf@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"c = %d\0A\00"
define i32 @main2() {
%1 = alloca i32
%2 = alloca i32
%3 = call i32 @f(i32 2, i32 3)
store i32 %3, i32* %2
%4 = load i32, i32* %2
%5 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = call i32 @f(i32 4, i32 2)
store i32 %6, i32* %2
%7 = load i32, i32* %2
%8 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = call i32 @f(i32 2, i32 4)
store i32 %9, i32* %2
%10 = load i32, i32* %2
%11 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = call i32 @f(i32 3, i32 3)
store i32 %12, i32* %2
%13 = load i32, i32* %2
%14 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = call i32 @f(i32 5, i32 1)
store i32 %15, i32* %2
%16 = load i32, i32* %2
%17 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %16)
%18 = load i32, i32* %1
ret i32 %18
}

LLVM IR (-O2):
@.str = [8 x i8] c"c = %d\0A\00"
define i32 @main2() {
%1 = tail call i32 @f(i32 2, i32 3)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @f(i32 4, i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @f(i32 2, i32 4)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @f(i32 3, i32 3)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @f(i32 5, i32 1)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %9)
ret i32 undef
}