#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*/ atoi(char *);
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ kill(int /*<<< orphan*/);
int /*<<< orphan*/ stderr;
int main(int argc, char **argv) {
  int i;
  if (argc < 1) {
    fprintf(stderr, "usage: kill pid...\n");
    exit(0);
  }
  for (i = 1; i < argc; i++)
    kill(atoi(argv[i]));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x1,-0x8(%rbp)
jge    117c <main+0x3c>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xe90(%rip),%rsi
call   1030 <fprintf@plt>
xor    %edi,%edi
call   1060 <exit@plt>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11b5 <main+0x75>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,8),%rdi
call   1050 <atoi@plt>
mov    %eax,%edi
call   1040 <kill@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1183 <main+0x43>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
test   %edi,%edi
jle    1181 <main+0x41>
cmp    $0x1,%edi
je     1179 <main+0x39>
mov    %rsi,%r14
mov    %edi,%r15d
mov    $0x1,%ebx
nopl   0x0(%rax)
mov    (%r14,%rbx,8),%rdi
call   1050 <atoi@plt>
mov    %eax,%edi
call   1040 <kill@plt>
add    $0x1,%rbx
cmp    %rbx,%r15
jne    1160 <main+0x20>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret
mov    0x2e58(%rip),%rax
mov    (%rax),%edi
lea    0xe6f(%rip),%rsi
call   1030 <fprintf@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [20 x i8] c"usage: kill pid...\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp slt i32 %7, 1
br i1 %8, label %9, label %13
9: ; preds = %2
%10 = load i32, i32* @stderr
%11 = call i32 @fprintf(i32 %10, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%12 = call i32 @exit(i32 0)
unreachable
13: ; preds = %2
store i32 1, i32* %6
br label %14
14: ; preds = %26, %13
%15 = load i32, i32* %6
%16 = load i32, i32* %4
%17 = icmp slt i32 %15, %16
br i1 %17, label %18, label %29
18: ; preds = %14
%19 = load i8**, i8*** %5
%20 = load i32, i32* %6
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds i8*, i8** %19, i64 %21
%23 = load i8*, i8** %22
%24 = call i32 @atoi(i8* %23)
%25 = call i32 @kill(i32 %24)
br label %26
26: ; preds = %18
%27 = load i32, i32* %6
%28 = add nsw i32 %27, 1
store i32 %28, i32* %6
br label %14
29: ; preds = %14
ret i32 0
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [20 x i8] c"usage: kill pid...\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 1
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = icmp eq i32 %0, 1
br i1 %5, label %20, label %6
6: ; preds = %4
%7 = zext i32 %0 to i64
br label %12
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%11 = tail call i32 @exit(i32 0)
unreachable
12: ; preds = %6, %12
%13 = phi i64 [ 1, %6 ], [ %18, %12 ]
%14 = getelementptr inbounds i8*, i8** %1, i64 %13
%15 = load i8*, i8** %14
%16 = tail call i32 @atoi(i8* %15)
%17 = tail call i32 @kill(i32 %16)
%18 = add nuw nsw i64 %13, 1
%19 = icmp eq i64 %18, %7
br i1 %19, label %20, label %12
20: ; preds = %12, %4
ret i32 0
}