#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*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void usage() {
  fprintf(stderr,
          " callchain need at least 2 arguments setting values for -i, -m\n");
  fprintf(stderr, " -i indicates what core to use when running callchain\n");
  fprintf(stderr, " -m value increases the number of calls from main to the "
                  "chain by a multiplier = value\n");
  fprintf(stderr, " -b value sets number of iterations of a time wasting loop "
                  "before the next call is executed\n");
  fprintf(stderr, " -a value sets number of iterations of a time wasting loop "
                  "after the next call is executed, but before the return\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2eb0(%rip),%rax
mov    (%rax),%edi
lea    0xf07(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xf29(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xf6c(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xfb4(%rip),%rsi
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf11(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf3a(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf84(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfd3(%rip),%rsi
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [64 x i8] c" callchain need at least 2 arguments setting values for -i, -m\0A\00"
@.str.1 = [55 x i8] c" -i indicates what core to use when running callchain\0A\00"
@.str.2 = [88 x i8] c" -m value increases the number of calls from main to the chain by a multiplier = value\0A\00"
@.str.3 = [93 x i8] c" -b value sets number of iterations of a time wasting loop before the next call is executed\0A\00"
@.str.4 = [115 x i8] c" -a value sets number of iterations of a time wasting loop after the next call is executed, but before the return\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([88 x i8], [88 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([93 x i8], [93 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([115 x i8], [115 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [64 x i8] c" callchain need at least 2 arguments setting values for -i, -m\0A\00"
@.str.1 = [55 x i8] c" -i indicates what core to use when running callchain\0A\00"
@.str.2 = [88 x i8] c" -m value increases the number of calls from main to the chain by a multiplier = value\0A\00"
@.str.3 = [93 x i8] c" -b value sets number of iterations of a time wasting loop before the next call is executed\0A\00"
@.str.4 = [115 x i8] c" -a value sets number of iterations of a time wasting loop after the next call is executed, but before the return\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([88 x i8], [88 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([93 x i8], [93 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([115 x i8], [115 x i8]* @.str.4, i64 0, i64 0))
ret void
}