#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(void) {
  fprintf(stderr, "%s (Memory examine utility) v%s (%s %s)\n", "mex", "0.02",
          "20:33:12", "Mar 17 2022");
  fprintf(stderr, "usage: %s [<start> [<end>]] [[-a] -w<width>|-f]\n", "mex");
  fprintf(stderr, "<start>   : start address (default &00000000)\n");
  fprintf(stderr, "<end>     : end address (default &03FFFFFF)\n");
  fprintf(stderr, "-f        : full word and binary information\n");
  fprintf(stderr, "-a        : display ASCII data only (default width 64)\n");
  fprintf(stderr, "-w<width> : bytes per display line (default 16)\n");
  return;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
lea    0xefe(%rip),%rdx
lea    0xefb(%rip),%rcx
lea    0xef9(%rip),%r8
lea    0xefb(%rip),%r9
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e92(%rip),%rax
mov    (%rax),%edi
lea    0xef0(%rip),%rsi
lea    0xecb(%rip),%rdx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e74(%rip),%rax
mov    (%rax),%edi
lea    0xf03(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e5d(%rip),%rax
mov    (%rax),%edi
lea    0xf1b(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e46(%rip),%rax
mov    (%rax),%edi
lea    0xf31(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e2f(%rip),%rax
mov    (%rax),%edi
lea    0xf48(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e18(%rip),%rax
mov    (%rax),%edi
lea    0xf69(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    0x2ec5(%rip),%rbx
mov    (%rbx),%edi
lea    0xedc(%rip),%rsi
lea    0xefe(%rip),%r14
lea    0xefb(%rip),%rcx
lea    0xef9(%rip),%r8
lea    0xefb(%rip),%r9
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef4(%rip),%rsi
mov    %r14,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf12(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf31(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf6c(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf94(%rip),%rsi
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [41 x i8] c"%s (Memory examine utility) v%s (%s %s)\0A\00"
@.str.1 = [4 x i8] c"mex\00"
@.str.2 = [5 x i8] c"0.02\00"
@.str.3 = [9 x i8] c"20:33:12\00"
@.str.4 = [12 x i8] c"Mar 17 2022\00"
@.str.5 = [49 x i8] c"usage: %s [<start> [<end>]] [[-a] -w<width>|-f]\0A\00"
@.str.6 = [47 x i8] c"<start> : start address (default &00000000)\0A\00"
@.str.7 = [45 x i8] c"<end> : end address (default &03FFFFFF)\0A\00"
@.str.8 = [46 x i8] c"-f : full word and binary information\0A\00"
@.str.9 = [56 x i8] c"-a : display ASCII data only (default width 64)\0A\00"
@.str.10 = [49 x i8] c"-w<width> : bytes per display line (default 16)\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.6, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.7, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.8, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.9, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.10, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [41 x i8] c"%s (Memory examine utility) v%s (%s %s)\0A\00"
@.str.1 = [4 x i8] c"mex\00"
@.str.2 = [5 x i8] c"0.02\00"
@.str.3 = [9 x i8] c"20:33:12\00"
@.str.4 = [12 x i8] c"Mar 17 2022\00"
@.str.5 = [49 x i8] c"usage: %s [<start> [<end>]] [[-a] -w<width>|-f]\0A\00"
@.str.6 = [47 x i8] c"<start> : start address (default &00000000)\0A\00"
@.str.7 = [45 x i8] c"<end> : end address (default &03FFFFFF)\0A\00"
@.str.8 = [46 x i8] c"-f : full word and binary information\0A\00"
@.str.9 = [56 x i8] c"-a : display ASCII data only (default width 64)\0A\00"
@.str.10 = [49 x i8] c"-w<width> : bytes per display line (default 16)\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.6, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.7, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.8, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.9, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.10, i64 0, i64 0))
ret void
}