#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 main(int argc, char *argv[]) {
  if (argc == 1) {
    printf("one");
  } else if (argc == 2) {
    printf("two");
  } else {
    printf("%d", argc);
  }
  return (0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x1,-0x8(%rbp)
jne    1143 <main+0x33>
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1176 <main+0x66>
cmpl   $0x2,-0x8(%rbp)
jne    1160 <main+0x50>
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1171 <main+0x61>
mov    -0x8(%rbp),%esi
lea    0xe9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1176 <main+0x66>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x2,%edi
je     1126 <main+0x16>
mov    %edi,%esi
cmp    $0x1,%edi
jne    1136 <main+0x26>
lea    0xedc(%rip),%rdi
jmp    112d <main+0x1d>
lea    0xed7(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
jmp    1144 <main+0x34>
lea    0xecb(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"one\00"
@.str.1 = [4 x i8] c"two\00"
@.str.2 = [3 x i8] c"%d\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp eq i32 %6, 1
br i1 %7, label %8, label %10
8: ; preds = %2
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
br label %19
10: ; preds = %2
%11 = load i32, i32* %4
%12 = icmp eq i32 %11, 2
br i1 %12, label %13, label %15
13: ; preds = %10
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %18
15: ; preds = %10
%16 = load i32, i32* %4
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %16)
br label %18
18: ; preds = %15, %13
br label %19
19: ; preds = %18, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"one\00"
@.str.1 = [4 x i8] c"two\00"
@.str.2 = [3 x i8] c"%d\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
switch i32 %0, label %7 [
i32 1, label %3
i32 2, label %5
]
3: ; preds = %2
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
br label %9
5: ; preds = %2
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %9
7: ; preds = %2
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %0)
br label %9
9: ; preds = %5, %7, %3
ret i32 0
}