#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*/ pA_mes(char *);
int /*<<< orphan*/ pA_reg(char *);
void debug_stack(void) {
  pA_mes("debug_stack: ");
  pA_reg("stack_socket");
  pA_mes(", ");
  pA_reg("stack_tmp");
  pA_mes(", ");
  pA_reg("stack_head");
  pA_mes("\\n");
}


x86 assembly (clang, -O0):
<debug_stack>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <pA_mes@plt>
lea    0xed7(%rip),%rdi
call   1040 <pA_reg@plt>
lea    0xed8(%rip),%rdi
call   1030 <pA_mes@plt>
lea    0xecf(%rip),%rdi
call   1040 <pA_reg@plt>
lea    0xec0(%rip),%rdi
call   1030 <pA_mes@plt>
lea    0xec1(%rip),%rdi
call   1040 <pA_reg@plt>
lea    0xec0(%rip),%rdi
call   1030 <pA_mes@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<debug_stack>:
push   %rbx
lea    0xed8(%rip),%rdi
call   1030 <pA_mes@plt>
lea    0xeda(%rip),%rdi
call   1040 <pA_reg@plt>
lea    0xedb(%rip),%rbx
mov    %rbx,%rdi
call   1030 <pA_mes@plt>
lea    0xecf(%rip),%rdi
call   1040 <pA_reg@plt>
mov    %rbx,%rdi
call   1030 <pA_mes@plt>
lea    0xec5(%rip),%rdi
call   1040 <pA_reg@plt>
lea    0xec4(%rip),%rdi
pop    %rbx
jmp    1030 <pA_mes@plt>

LLVM IR (-O0):
@.str = [14 x i8] c"debug_stack: \00"
@.str.1 = [13 x i8] c"stack_socket\00"
@.str.2 = [3 x i8] c", \00"
@.str.3 = [10 x i8] c"stack_tmp\00"
@.str.4 = [11 x i8] c"stack_head\00"
@.str.5 = [3 x i8] c"\\n\00"
define void @debug_stack() {
%1 = call i32 @pA_mes(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @pA_reg(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @pA_reg(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%6 = call i32 @pA_reg(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [14 x i8] c"debug_stack: \00"
@.str.1 = [13 x i8] c"stack_socket\00"
@.str.2 = [3 x i8] c", \00"
@.str.3 = [10 x i8] c"stack_tmp\00"
@.str.4 = [11 x i8] c"stack_head\00"
@.str.5 = [3 x i8] c"\\n\00"
define void @debug_stack() {
%1 = tail call i32 @pA_mes(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @pA_reg(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @pA_reg(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
%6 = tail call i32 @pA_reg(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0))
%7 = tail call i32 @pA_mes(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
ret void
}