#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 atoi(char *);
int bar(int, int);
int foo(int, int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char **argv) {
  if (argc != 3) {
    printf("Usage: %s A B\n", argv[0]);
    return 1;
  }
  int a = atoi(argv[1]);
  int b = atoi(argv[2]);
  printf("foo(%d,%d) = %d\n", a, b, foo(a, b));
  printf("bar(%d,%d) = %d\n", a, b, bar(a, b));
  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)
cmpl   $0x3,-0x8(%rbp)
je     1181 <main+0x41>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    1202 <main+0xc2>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1060 <atoi@plt>
mov    %eax,-0x14(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   1060 <atoi@plt>
mov    %eax,-0x18(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x28(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x24(%rbp)
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1050 <foo@plt>
mov    -0x28(%rbp),%esi
mov    -0x24(%rbp),%edx
mov    %eax,%ecx
lea    0xe48(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
mov    %eax,-0x20(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0x14(%rbp),%edi
mov    -0x18(%rbp),%esi
call   1030 <bar@plt>
mov    -0x20(%rbp),%esi
mov    -0x1c(%rbp),%edx
mov    %eax,%ecx
lea    0xe2c(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
mov    %rsi,%rbp
cmp    $0x3,%edi
jne    11a1 <main+0x61>
mov    0x8(%rbp),%rdi
call   1060 <atoi@plt>
mov    %eax,%ebx
mov    0x10(%rbp),%rdi
call   1060 <atoi@plt>
mov    %eax,%ebp
mov    %ebx,%edi
mov    %eax,%esi
call   1050 <foo@plt>
lea    0xe9d(%rip),%rdi
xor    %r14d,%r14d
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
mov    %ebx,%edi
mov    %ebp,%esi
call   1030 <bar@plt>
lea    0xe8e(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1040 <printf@plt>
jmp    11b9 <main+0x79>
mov    0x0(%rbp),%rsi
lea    0xe54(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%r14d
mov    %r14d,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [15 x i8] c"Usage: %s A B\0A\00"
@.str.1 = [17 x i8] c"foo(%d,%d) = %d\0A\00"
@.str.2 = [17 x i8] c"bar(%d,%d) = %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
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 3
br i1 %9, label %10, label %15
10: ; preds = %2
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 0
%13 = load i8*, i8** %12
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %13)
store i32 1, i32* %3
br label %36
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i32 @atoi(i8* %18)
store i32 %19, i32* %6
%20 = load i8**, i8*** %5
%21 = getelementptr inbounds i8*, i8** %20, i64 2
%22 = load i8*, i8** %21
%23 = call i32 @atoi(i8* %22)
store i32 %23, i32* %7
%24 = load i32, i32* %6
%25 = load i32, i32* %7
%26 = load i32, i32* %6
%27 = load i32, i32* %7
%28 = call i32 @foo(i32 %26, i32 %27)
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 %24, i32 %25, i32 %28)
%30 = load i32, i32* %6
%31 = load i32, i32* %7
%32 = load i32, i32* %6
%33 = load i32, i32* %7
%34 = call i32 @bar(i32 %32, i32 %33)
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %30, i32 %31, i32 %34)
store i32 0, i32* %3
br label %36
36: ; preds = %15, %10
%37 = load i32, i32* %3
ret i32 %37
}

LLVM IR (-O2):
@.str = [15 x i8] c"Usage: %s A B\0A\00"
@.str.1 = [17 x i8] c"foo(%d,%d) = %d\0A\00"
@.str.2 = [17 x i8] c"bar(%d,%d) = %d\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %7, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %5)
br label %18
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = tail call i32 @atoi(i8* %9)
%11 = getelementptr inbounds i8*, i8** %1, i64 2
%12 = load i8*, i8** %11
%13 = tail call i32 @atoi(i8* %12)
%14 = tail call i32 @foo(i32 %10, i32 %13)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i32 %10, i32 %13, i32 %14)
%16 = tail call i32 @bar(i32 %10, i32 %13)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %10, i32 %13, i32 %16)
br label %18
18: ; preds = %7, %4
%19 = phi i32 [ 1, %4 ], [ 0, %7 ]
ret i32 %19
}