#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 */
scalar_t__ expect_absent(int);
scalar_t__ expect_result(int, char *);
int test_5xx(void) {
  int errcount = 0;
  errcount += expect_result(500, "internal server error");
  errcount += expect_result(502, "bad gateway");
  errcount += expect_result(505, "http version not supported");
  errcount += expect_result(511, "network authentication required");
  errcount += expect_absent(520);
  errcount += expect_absent(597);
  return errcount;
}


x86 assembly (clang, -O0):
<test_5xx>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x1f4,%edi
lea    0xec5(%rip),%rsi
call   1040 <expect_result@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    $0x1f6,%edi
lea    0xebd(%rip),%rsi
call   1040 <expect_result@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    $0x1f9,%edi
lea    0xeab(%rip),%rsi
call   1040 <expect_result@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    $0x1ff,%edi
lea    0xea8(%rip),%rsi
call   1040 <expect_result@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    $0x208,%edi
call   1030 <expect_absent@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    $0x255,%edi
call   1030 <expect_absent@plt>
mov    %rax,%rcx
movslq -0x4(%rbp),%rax
add    %rcx,%rax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test_5xx>:
push   %r15
push   %r14
push   %rbx
lea    0xed4(%rip),%rsi
mov    $0x1f4,%edi
call   1040 <expect_result@plt>
mov    %rax,%r14
lea    0xed6(%rip),%rsi
mov    $0x1f6,%edi
call   1040 <expect_result@plt>
mov    %rax,%r15
add    %r14d,%r15d
lea    0xecb(%rip),%rsi
mov    $0x1f9,%edi
call   1040 <expect_result@plt>
mov    %rax,%r14
add    %r15d,%r14d
lea    0xecf(%rip),%rsi
mov    $0x1ff,%edi
call   1040 <expect_result@plt>
mov    %rax,%rbx
add    %r14d,%ebx
mov    $0x208,%edi
call   1030 <expect_absent@plt>
mov    %rax,%r14
add    %ebx,%r14d
mov    $0x255,%edi
call   1030 <expect_absent@plt>
add    %r14d,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [22 x i8] c"internal server error\00"
@.str.1 = [12 x i8] c"bad gateway\00"
@.str.2 = [27 x i8] c"http version not supported\00"
@.str.3 = [32 x i8] c"network authentication required\00"
define i32 @test_5xx() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i64 @expect_result(i32 500, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* %1
%4 = sext i32 %3 to i64
%5 = add nsw i64 %4, %2
%6 = trunc i64 %5 to i32
store i32 %6, i32* %1
%7 = call i64 @expect_result(i32 502, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* %1
%9 = sext i32 %8 to i64
%10 = add nsw i64 %9, %7
%11 = trunc i64 %10 to i32
store i32 %11, i32* %1
%12 = call i64 @expect_result(i32 505, i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0))
%13 = load i32, i32* %1
%14 = sext i32 %13 to i64
%15 = add nsw i64 %14, %12
%16 = trunc i64 %15 to i32
store i32 %16, i32* %1
%17 = call i64 @expect_result(i32 511, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%18 = load i32, i32* %1
%19 = sext i32 %18 to i64
%20 = add nsw i64 %19, %17
%21 = trunc i64 %20 to i32
store i32 %21, i32* %1
%22 = call i64 @expect_absent(i32 520)
%23 = load i32, i32* %1
%24 = sext i32 %23 to i64
%25 = add nsw i64 %24, %22
%26 = trunc i64 %25 to i32
store i32 %26, i32* %1
%27 = call i64 @expect_absent(i32 597)
%28 = load i32, i32* %1
%29 = sext i32 %28 to i64
%30 = add nsw i64 %29, %27
%31 = trunc i64 %30 to i32
store i32 %31, i32* %1
%32 = load i32, i32* %1
ret i32 %32
}

LLVM IR (-O2):
@.str = [22 x i8] c"internal server error\00"
@.str.1 = [12 x i8] c"bad gateway\00"
@.str.2 = [27 x i8] c"http version not supported\00"
@.str.3 = [32 x i8] c"network authentication required\00"
define i32 @test_5xx() {
%1 = tail call i64 @expect_result(i32 500, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%2 = tail call i64 @expect_result(i32 502, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%3 = add i64 %2, %1
%4 = tail call i64 @expect_result(i32 505, i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0))
%5 = add i64 %3, %4
%6 = tail call i64 @expect_result(i32 511, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%7 = add i64 %5, %6
%8 = tail call i64 @expect_absent(i32 520)
%9 = add i64 %7, %8
%10 = tail call i64 @expect_absent(i32 597)
%11 = add i64 %9, %10
%12 = trunc i64 %11 to i32
ret i32 %12
}