c3c/test/test_suite/errors/error_regression_2.c3t

// #target: macos-x64
module test;
import std;
import libc;

struct Doc { Head *head; }
struct Head { char[]* title; }

struct Summary
{
	char[]* title;
	bool ok;
}

fn void Summary.print(Summary *s, CFile out)
{
	// We don't have a native printf in C3 yet, so use libc,
	// which is not all that nice for the strings but...
	char[] title = s.title ? *s.title : "missing";
	libc::fprintf(out, "Summary({ .title = %.*s, .ok = %s})", (int)title.len, title.ptr, s.ok ? (char*)"true" : (char*)"false");
}

fn bool contains(char[] haystack, char[] needle)
{
	usz len = haystack.len;
	usz needle_len = needle.len;
	if (len < needle_len) return false;
	if (!needle_len) return true;
	len -= needle_len - 1;
	for (usz i = 0; i < len; i++)
	{
		if (libc::memcmp(&haystack[i], needle.ptr, needle_len) == 0)
		{
			return true;
		}
	}
	return false;
}

macro dupe(value)
{
	$typeof(&value) temp = malloc($sizeof(value));
	if (!temp) return ReadError.OUT_OF_MEMORY?;
	*temp = value;
	return temp;
}

fault ReadError
{
	BAD_READ,
	OUT_OF_MEMORY
}

fn Doc! readDoc(char[] url)
{
	if (contains(url, "fail")) return ReadError.BAD_READ?;
	if (contains(url, "head-missing")) return { .head = null };
	if (contains(url, "title-missing")) return { dupe(Head { .title = null })! };
	if (contains(url, "title-empty")) return { dupe(Head { .title = dupe((char[])"")! })! };
	// Not particularly elegant due to missing string functions.
	isz len = libc::snprintf(null, 0, "Title of %.*s", (int)url.len, url.ptr);
	char* str = malloc(len + 1);
	if (!str) return ReadError.OUT_OF_MEMORY?;
	libc::snprintf(str, len + 1, "Title of %.*s", (int)url.len, url.ptr);
	return { dupe(Head { .title = dupe(str[..len - 1])! })! };
}

fn Summary buildSummary(Doc doc)
{
    return Summary {
        .title = doc.head ? doc.head.title : null,
        .ok = true,
    };
}

fn Summary readAndBuildSummary(char[] url)
{
	return buildSummary(readDoc(url)) ?? Summary { .title = null, .ok = false };
	/*
	// or
	Summary summary = buildSummary(readDoc(url));
	if (catch summary) return Summary { .title = null, .ok = false };
	return summary;
	// or
	Summary summary = buildSummary(readDoc(url));
	if (try summary) return summary;
	return Summary { .title = null, .ok = false };
	*/
}


fault TitleResult
{
	TITLE_MISSING
}

fn bool! isTitleNonEmpty(Doc doc)
{
	if (!doc.head) return TitleResult.TITLE_MISSING?;
	char[]* head = doc.head.title;
	if (!head) return TitleResult.TITLE_MISSING?;
	return (*head).len > 0;
}


fn bool! readWhetherTitleNonEmpty(char[] url)
{
    return isTitleNonEmpty(readDoc(url));
}

fn char* bool_to_string(bool b)
{
	return b ? "true" : "false";
}
fn char* nameFromError(anyfault e)
{
	switch (e)
	{
		case TitleResult.TITLE_MISSING:
			return "no title";
		case ReadError.BAD_READ:
			return "bad read";
		case ReadError.OUT_OF_MEMORY:
			return "out of memory";
		default:
			return "unknown error";
	}
}


fn void main()
{
    const char[][] URLS = { "good", "title-empty", "title-missing", "head-missing", "fail" };
    foreach (char[] url : URLS)
    {
        // Yes, it's pretty onerous to print strings for the moment in C3
        libc::printf(`Checking "https://%.*s/":` "\n", (int)url.len, url.ptr);
        Summary summary = readAndBuildSummary(url);
        libc::printf("  Summary: ");
        summary.print(libc::stdout());
        libc::printf("\n");
        char[] title_sure = summary.title ? *summary.title : "";
        libc::printf("  Title: %.*s\n", (int)title_sure.len, title_sure.ptr);
        bool! has_title = readWhetherTitleNonEmpty(url);
        // This looks a bit less than elegant, but as you see it's mostly due to having to
        // use printf here.
        libc::printf("  Has title: %s vs %s\n", bool_to_string(has_title) ?? nameFromError(@catch(has_title)), (has_title ?? false) ? (char*)"true" : (char*)"false");
    }
}

/* #expect: test.ll

define void @test.Summary.print(ptr %0, ptr %1) #0 {
entry:
  %title = alloca %"char[]", align 8
  %2 = getelementptr inbounds %Summary, ptr %0, i32 0, i32 0
  %3 = load ptr, ptr %2, align 8
  %ptrbool = icmp ne ptr %3, null
  br i1 %ptrbool, label %cond.lhs, label %cond.rhs

cond.lhs:                                         ; preds = %entry
  %4 = getelementptr inbounds %Summary, ptr %0, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8
  %6 = load %"char[]", ptr %5, align 8
  br label %cond.phi

cond.rhs:                                         ; preds = %entry
  br label %cond.phi

cond.phi:                                         ; preds = %cond.rhs, %cond.lhs
  %val = phi %"char[]" [ %6, %cond.lhs ], [ { ptr @.str.30, i64 7 }, %cond.rhs ]
  store %"char[]" %val, ptr %title, align 8
  %7 = getelementptr inbounds %"char[]", ptr %title, i32 0, i32 1
  %8 = load i64, ptr %7, align 8
  %trunc = trunc i64 %8 to i32
  %9 = getelementptr inbounds %"char[]", ptr %title, i32 0, i32 0
  %10 = getelementptr inbounds %Summary, ptr %0, i32 0, i32 1
  %11 = load i8, ptr %10, align 8
  %12 = trunc i8 %11 to i1
  %ternary = select i1 %12, ptr @.str.32, ptr @.str.33
  %13 = load ptr, ptr %9, align 8
  %14 = call i32 (ptr, ptr, ...) @fprintf(ptr %1, ptr @.str.31, i32 %trunc, ptr %13, ptr %ternary)
  ret void
}

; Function Attrs: nounwind
define zeroext i8 @test.contains(ptr %0, i64 %1, ptr %2, i64 %3) #0 {
entry:
  %haystack = alloca %"char[]", align 8
  %needle = alloca %"char[]", align 8
  %len = alloca i64, align 8
  %needle_len = alloca i64, align 8
  %i = alloca i64, align 8
  store ptr %0, ptr %haystack, align 8
  %ptroffset = getelementptr inbounds i64, ptr %haystack, i64 1
  store i64 %1, ptr %ptroffset, align 8
  store ptr %2, ptr %needle, align 8
  %ptroffset1 = getelementptr inbounds i64, ptr %needle, i64 1
  store i64 %3, ptr %ptroffset1, align 8
  %4 = getelementptr inbounds %"char[]", ptr %haystack, i32 0, i32 1
  %5 = load i64, ptr %4, align 8
  store i64 %5, ptr %len, align 8
  %6 = getelementptr inbounds %"char[]", ptr %needle, i32 0, i32 1
  %7 = load i64, ptr %6, align 8
  store i64 %7, ptr %needle_len, align 8
  %8 = load i64, ptr %len, align 8
  %9 = load i64, ptr %needle_len, align 8
  %lt = icmp ult i64 %8, %9
  br i1 %lt, label %if.then, label %if.exit

if.then:                                          ; preds = %entry
  ret i8 0

if.exit:                                          ; preds = %entry
  %10 = load i64, ptr %needle_len, align 8
  %not = icmp eq i64 %10, 0
  br i1 %not, label %if.then2, label %if.exit3

if.then2:                                         ; preds = %if.exit
  ret i8 1

if.exit3:                                         ; preds = %if.exit
  %11 = load i64, ptr %len, align 8
  %12 = load i64, ptr %needle_len, align 8
  %sub = sub i64 %12, 1
  %sub4 = sub i64 %11, %sub
  store i64 %sub4, ptr %len, align 8
  store i64 0, ptr %i, align 8
  br label %loop.cond

loop.cond:                                        ; preds = %if.exit8, %if.exit3
  %13 = load i64, ptr %i, align 8
  %14 = load i64, ptr %len, align 8
  %lt5 = icmp ult i64 %13, %14
  br i1 %lt5, label %loop.body, label %loop.exit

loop.body:                                        ; preds = %loop.cond
  %15 = getelementptr inbounds %"char[]", ptr %haystack, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8
  %17 = load i64, ptr %i, align 8
  %ptroffset6 = getelementptr inbounds i8, ptr %16, i64 %17
  %18 = getelementptr inbounds %"char[]", ptr %needle, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8
  %20 = load i64, ptr %needle_len, align 8
  %21 = call i32 @memcmp(ptr %ptroffset6, ptr %19, i64 %20)
  %eq = icmp eq i32 %21, 0
  br i1 %eq, label %if.then7, label %if.exit8

if.then7:                                         ; preds = %loop.body
  ret i8 1

if.exit8:                                         ; preds = %loop.body
  %22 = load i64, ptr %i, align 8
  %add = add i64 %22, 1
  store i64 %add, ptr %i, align 8
  br label %loop.cond

loop.exit:                                        ; preds = %loop.cond
  ret i8 0
}

; Function Attrs: nounwind
define i64 @test.readDoc(ptr %0, ptr %1, i64 %2) #0 {
entry:
  %url = alloca %"char[]", align 8
  %reterr = alloca i64, align 8
  %literal = alloca %Doc, align 8
  %reterr8 = alloca i64, align 8
  %literal9 = alloca %Doc, align 8
  %error_var = alloca i64, align 8
  %literal10 = alloca %Head, align 8
  %value = alloca %Head, align 8
  %temp = alloca ptr, align 8
  %using = alloca %"any*", align 8
  %error_var11 = alloca i64, align 8
  %using12 = alloca %"any*", align 8
  %self = alloca %"any*", align 8
  %.inlinecache = alloca ptr, align 8
  %.cachedtype = alloca ptr, align 8
  %retparam = alloca ptr, align 8
  %varargslots = alloca [1 x %"any*"], align 16
  %indirectarg = alloca %"any*[]", align 8
  %reterr22 = alloca i64, align 8
  %literal23 = alloca %Doc, align 8
  %error_var24 = alloca i64, align 8
  %literal25 = alloca %Head, align 8
  %error_var26 = alloca i64, align 8
  %value27 = alloca %"char[]", align 8
  %temp28 = alloca ptr, align 8
  %using29 = alloca %"any*", align 8
  %error_var30 = alloca i64, align 8
  %using31 = alloca %"any*", align 8
  %self33 = alloca %"any*", align 8
  %.inlinecache35 = alloca ptr, align 8
  %.cachedtype36 = alloca ptr, align 8
  %retparam44 = alloca ptr, align 8
  %varargslots49 = alloca [1 x %"any*"], align 16
  %indirectarg51 = alloca %"any*[]", align 8
  %value58 = alloca %Head, align 8
  %temp59 = alloca ptr, align 8
  %using60 = alloca %"any*", align 8
  %error_var61 = alloca i64, align 8
  %using62 = alloca %"any*", align 8
  %self64 = alloca %"any*", align 8
  %.inlinecache66 = alloca ptr, align 8
  %.cachedtype67 = alloca ptr, align 8
  %retparam75 = alloca ptr, align 8
  %varargslots80 = alloca [1 x %"any*"], align 16
  %indirectarg82 = alloca %"any*[]", align 8
  %len = alloca i64, align 8
  %str = alloca ptr, align 8
  %using90 = alloca %"any*", align 8
  %error_var91 = alloca i64, align 8
  %using92 = alloca %"any*", align 8
  %self93 = alloca %"any*", align 8
  %.inlinecache95 = alloca ptr, align 8
  %.cachedtype96 = alloca ptr, align 8
  %retparam104 = alloca ptr, align 8
  %varargslots109 = alloca [1 x %"any*"], align 16
  %indirectarg111 = alloca %"any*[]", align 8
  %reterr118 = alloca i64, align 8
  %literal119 = alloca %Doc, align 8
  %error_var120 = alloca i64, align 8
  %literal121 = alloca %Head, align 8
  %error_var122 = alloca i64, align 8
  %value124 = alloca %"char[]", align 8
  %temp125 = alloca ptr, align 8
  %using126 = alloca %"any*", align 8
  %error_var127 = alloca i64, align 8
  %using128 = alloca %"any*", align 8
  %self130 = alloca %"any*", align 8
  %.inlinecache132 = alloca ptr, align 8
  %.cachedtype133 = alloca ptr, align 8
  %retparam141 = alloca ptr, align 8
  %varargslots146 = alloca [1 x %"any*"], align 16
  %indirectarg148 = alloca %"any*[]", align 8
  %value155 = alloca %Head, align 8
  %temp156 = alloca ptr, align 8
  %using157 = alloca %"any*", align 8
  %error_var158 = alloca i64, align 8
  %using159 = alloca %"any*", align 8
  %self161 = alloca %"any*", align 8
  %.inlinecache163 = alloca ptr, align 8
  %.cachedtype164 = alloca ptr, align 8
  %retparam172 = alloca ptr, align 8
  %varargslots177 = alloca [1 x %"any*"], align 16
  %indirectarg179 = alloca %"any*[]", align 8
  store ptr null, ptr %.cachedtype164, align 8
  store ptr null, ptr %.cachedtype133, align 8
  store ptr null, ptr %.cachedtype96, align 8
  store ptr null, ptr %.cachedtype67, align 8
  store ptr null, ptr %.cachedtype36, align 8
  store ptr null, ptr %.cachedtype, align 8
  store ptr %1, ptr %url, align 8
  %ptroffset = getelementptr inbounds i64, ptr %url, i64 1
  store i64 %2, ptr %ptroffset, align 8
  %3 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo = load ptr, ptr %3, align 8
  %4 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi = load i64, ptr %4, align 8
  %5 = call i8 @test.contains(ptr %lo, i64 %hi, ptr @.str, i64 4)
  %6 = trunc i8 %5 to i1
  br i1 %6, label %if.then, label %if.exit

if.then:                                          ; preds = %entry
  ret i64 ptrtoint (ptr @"test.ReadError$BAD_READ" to i64)

if.exit:                                          ; preds = %entry
  %7 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo1 = load ptr, ptr %7, align 8
  %8 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi2 = load i64, ptr %8, align 8
  %9 = call i8 @test.contains(ptr %lo1, i64 %hi2, ptr @.str.3, i64 12)
  %10 = trunc i8 %9 to i1
  br i1 %10, label %if.then3, label %if.exit4

if.then3:                                         ; preds = %if.exit
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %literal, ptr align 8 @.__const, i32 8, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %0, ptr align 8 %literal, i32 8, i1 false)
  ret i64 0

if.exit4:                                         ; preds = %if.exit
  %11 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo5 = load ptr, ptr %11, align 8
  %12 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi6 = load i64, ptr %12, align 8
  %13 = call i8 @test.contains(ptr %lo5, i64 %hi6, ptr @.str.4, i64 13)
  %14 = trunc i8 %13 to i1
  br i1 %14, label %if.then7, label %if.exit18

if.then7:                                         ; preds = %if.exit4
  %15 = getelementptr inbounds %Doc, ptr %literal9, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %literal10, ptr align 8 @.__const.5, i32 8, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %value, ptr align 8 %literal10, i32 8, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using12, ptr align 8 %using, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self, ptr align 8 %using12, i32 16, i1 false)
  %16 = getelementptr inbounds %"any*", ptr %self, i32 0, i32 1
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds %"any*", ptr %self, i32 0, i32 0
  %19 = inttoptr i64 %17 to ptr
  %type = load ptr, ptr %.cachedtype, align 8
  %20 = icmp eq ptr %19, %type
  br i1 %20, label %cache_hit, label %cache_miss

cache_miss:                                       ; preds = %if.then7
  %21 = getelementptr inbounds %.introspect, ptr %19, i32 0, i32 2
  %22 = load ptr, ptr %21, align 8
  %23 = call ptr @.dyn_search(ptr %22, ptr @"$sel.acquire")
  store ptr %23, ptr %.inlinecache, align 8
  store ptr %19, ptr %.cachedtype, align 8
  br label %24

cache_hit:                                        ; preds = %if.then7
  %cache_hit_fn = load ptr, ptr %.inlinecache, align 8
  br label %24

24:                                               ; preds = %cache_hit, %cache_miss
  %fn_phi = phi ptr [ %cache_hit_fn, %cache_hit ], [ %23, %cache_miss ]
  %25 = icmp eq ptr %fn_phi, null
  br i1 %25, label %missing_function, label %match

missing_function:                                 ; preds = %24
  %26 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %26(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match:                                            ; preds = %24
  %27 = load ptr, ptr %18, align 8
  %28 = call i64 %fn_phi(ptr %retparam, ptr %27, i64 8, i8 zeroext 0, i64 0, i64 0)
  %not_err = icmp eq i64 %28, 0
  %29 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
  br i1 %29, label %after_check, label %assign_optional

assign_optional:                                  ; preds = %match
  store i64 %28, ptr %error_var11, align 8
  br label %panic_block

after_check:                                      ; preds = %match
  %30 = load ptr, ptr %retparam, align 8
  br label %noerr_block

panic_block:                                      ; preds = %assign_optional
  %31 = insertvalue %"any*" undef, ptr %error_var11, 0
  %32 = insertvalue %"any*" %31, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %33 = getelementptr inbounds [1 x %"any*"], ptr %varargslots, i64 0, i64 0
  store %"any*" %32, ptr %33, align 16
  %34 = insertvalue %"any*[]" undef, ptr %varargslots, 0
  %"$$temp" = insertvalue %"any*[]" %34, i64 1, 1
  store %"any*[]" %"$$temp", ptr %indirectarg, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg)
  unreachable

noerr_block:                                      ; preds = %after_check
  store ptr %30, ptr %temp, align 8
  %35 = load ptr, ptr %temp, align 8
  %not = icmp eq ptr %35, null
  br i1 %not, label %if.then15, label %if.exit16

if.then15:                                        ; preds = %noerr_block
  store i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), ptr %error_var, align 8
  br label %guard_block

if.exit16:                                        ; preds = %noerr_block
  %36 = load ptr, ptr %temp, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %36, ptr align 8 %value, i32 8, i1 false)
  br label %noerr_block17

guard_block:                                      ; preds = %if.then15
  %37 = load i64, ptr %error_var, align 8
  ret i64 %37

noerr_block17:                                    ; preds = %if.exit16
  %38 = load ptr, ptr %temp, align 8
  store ptr %38, ptr %15, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %0, ptr align 8 %literal9, i32 8, i1 false)
  ret i64 0

if.exit18:                                        ; preds = %if.exit4
  %39 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo19 = load ptr, ptr %39, align 8
  %40 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi20 = load i64, ptr %40, align 8
  %41 = call i8 @test.contains(ptr %lo19, i64 %hi20, ptr @.str.8, i64 11)
  %42 = trunc i8 %41 to i1
  br i1 %42, label %if.then21, label %if.exit89

if.then21:                                        ; preds = %if.exit18
  %43 = getelementptr inbounds %Doc, ptr %literal23, i32 0, i32 0
  store ptr null, ptr %literal25, align 8
  %44 = getelementptr inbounds %Head, ptr %literal25, i32 0, i32 0
  store %"char[]" zeroinitializer, ptr %value27, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using29, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using31, ptr align 8 %using29, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self33, ptr align 8 %using31, i32 16, i1 false)
  %45 = getelementptr inbounds %"any*", ptr %self33, i32 0, i32 1
  %46 = load i64, ptr %45, align 8
  %47 = getelementptr inbounds %"any*", ptr %self33, i32 0, i32 0
  %48 = inttoptr i64 %46 to ptr
  %type37 = load ptr, ptr %.cachedtype36, align 8
  %49 = icmp eq ptr %48, %type37
  br i1 %49, label %cache_hit39, label %cache_miss38

cache_miss38:                                     ; preds = %if.then21
  %50 = getelementptr inbounds %.introspect, ptr %48, i32 0, i32 2
  %51 = load ptr, ptr %50, align 8
  %52 = call ptr @.dyn_search(ptr %51, ptr @"$sel.acquire")
  store ptr %52, ptr %.inlinecache35, align 8
  store ptr %48, ptr %.cachedtype36, align 8
  br label %53

cache_hit39:                                      ; preds = %if.then21
  %cache_hit_fn40 = load ptr, ptr %.inlinecache35, align 8
  br label %53

53:                                               ; preds = %cache_hit39, %cache_miss38
  %fn_phi41 = phi ptr [ %cache_hit_fn40, %cache_hit39 ], [ %52, %cache_miss38 ]
  %54 = icmp eq ptr %fn_phi41, null
  br i1 %54, label %missing_function42, label %match43

missing_function42:                               ; preds = %53
  %55 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %55(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match43:                                          ; preds = %53
  %56 = load ptr, ptr %47, align 8
  %57 = call i64 %fn_phi41(ptr %retparam44, ptr %56, i64 16, i8 zeroext 0, i64 0, i64 0)
  %not_err45 = icmp eq i64 %57, 0
  %58 = call i1 @llvm.expect.i1(i1 %not_err45, i1 true)
  br i1 %58, label %after_check47, label %assign_optional46

assign_optional46:                                ; preds = %match43
  store i64 %57, ptr %error_var30, align 8
  br label %panic_block48

after_check47:                                    ; preds = %match43
  %59 = load ptr, ptr %retparam44, align 8
  br label %noerr_block52

panic_block48:                                    ; preds = %assign_optional46
  %60 = insertvalue %"any*" undef, ptr %error_var30, 0
  %61 = insertvalue %"any*" %60, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %62 = getelementptr inbounds [1 x %"any*"], ptr %varargslots49, i64 0, i64 0
  store %"any*" %61, ptr %62, align 16
  %63 = insertvalue %"any*[]" undef, ptr %varargslots49, 0
  %"$$temp50" = insertvalue %"any*[]" %63, i64 1, 1
  store %"any*[]" %"$$temp50", ptr %indirectarg51, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg51)
  unreachable

noerr_block52:                                    ; preds = %after_check47
  store ptr %59, ptr %temp28, align 8
  %64 = load ptr, ptr %temp28, align 8
  %not53 = icmp eq ptr %64, null
  br i1 %not53, label %if.then54, label %if.exit55

if.then54:                                        ; preds = %noerr_block52
  store i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), ptr %error_var26, align 8
  br label %guard_block56

if.exit55:                                        ; preds = %noerr_block52
  %65 = load ptr, ptr %temp28, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %65, ptr align 8 %value27, i32 16, i1 false)
  br label %noerr_block57

guard_block56:                                    ; preds = %if.then54
  %66 = load i64, ptr %error_var26, align 8
  ret i64 %66

noerr_block57:                                    ; preds = %if.exit55
  %67 = load ptr, ptr %temp28, align 8
  store ptr %67, ptr %44, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %value58, ptr align 8 %literal25, i32 8, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using60, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using62, ptr align 8 %using60, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self64, ptr align 8 %using62, i32 16, i1 false)
  %68 = getelementptr inbounds %"any*", ptr %self64, i32 0, i32 1
  %69 = load i64, ptr %68, align 8
  %70 = getelementptr inbounds %"any*", ptr %self64, i32 0, i32 0
  %71 = inttoptr i64 %69 to ptr
  %type68 = load ptr, ptr %.cachedtype67, align 8
  %72 = icmp eq ptr %71, %type68
  br i1 %72, label %cache_hit70, label %cache_miss69

cache_miss69:                                     ; preds = %noerr_block57
  %73 = getelementptr inbounds %.introspect, ptr %71, i32 0, i32 2
  %74 = load ptr, ptr %73, align 8
  %75 = call ptr @.dyn_search(ptr %74, ptr @"$sel.acquire")
  store ptr %75, ptr %.inlinecache66, align 8
  store ptr %71, ptr %.cachedtype67, align 8
  br label %76

cache_hit70:                                      ; preds = %noerr_block57
  %cache_hit_fn71 = load ptr, ptr %.inlinecache66, align 8
  br label %76

76:                                               ; preds = %cache_hit70, %cache_miss69
  %fn_phi72 = phi ptr [ %cache_hit_fn71, %cache_hit70 ], [ %75, %cache_miss69 ]
  %77 = icmp eq ptr %fn_phi72, null
  br i1 %77, label %missing_function73, label %match74

missing_function73:                               ; preds = %76
  %78 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %78(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match74:                                          ; preds = %76
  %79 = load ptr, ptr %70, align 8
  %80 = call i64 %fn_phi72(ptr %retparam75, ptr %79, i64 8, i8 zeroext 0, i64 0, i64 0)
  %not_err76 = icmp eq i64 %80, 0
  %81 = call i1 @llvm.expect.i1(i1 %not_err76, i1 true)
  br i1 %81, label %after_check78, label %assign_optional77

assign_optional77:                                ; preds = %match74
  store i64 %80, ptr %error_var61, align 8
  br label %panic_block79

after_check78:                                    ; preds = %match74
  %82 = load ptr, ptr %retparam75, align 8
  br label %noerr_block83

panic_block79:                                    ; preds = %assign_optional77
  %83 = insertvalue %"any*" undef, ptr %error_var61, 0
  %84 = insertvalue %"any*" %83, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %85 = getelementptr inbounds [1 x %"any*"], ptr %varargslots80, i64 0, i64 0
  store %"any*" %84, ptr %85, align 16
  %86 = insertvalue %"any*[]" undef, ptr %varargslots80, 0
  %"$$temp81" = insertvalue %"any*[]" %86, i64 1, 1
  store %"any*[]" %"$$temp81", ptr %indirectarg82, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg82)
  unreachable

noerr_block83:                                    ; preds = %after_check78
  store ptr %82, ptr %temp59, align 8
  %87 = load ptr, ptr %temp59, align 8
  %not84 = icmp eq ptr %87, null
  br i1 %not84, label %if.then85, label %if.exit86

if.then85:                                        ; preds = %noerr_block83
  store i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), ptr %error_var24, align 8
  br label %guard_block87

if.exit86:                                        ; preds = %noerr_block83
  %88 = load ptr, ptr %temp59, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %88, ptr align 8 %value58, i32 8, i1 false)
  br label %noerr_block88

guard_block87:                                    ; preds = %if.then85
  %89 = load i64, ptr %error_var24, align 8
  ret i64 %89

noerr_block88:                                    ; preds = %if.exit86
  %90 = load ptr, ptr %temp59, align 8
  store ptr %90, ptr %43, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %0, ptr align 8 %literal23, i32 8, i1 false)
  ret i64 0

if.exit89:                                        ; preds = %if.exit18
  %91 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %92 = load i64, ptr %91, align 8
  %trunc = trunc i64 %92 to i32
  %93 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %94 = load ptr, ptr %93, align 8
  %95 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr null, i64 0, ptr @.str.9, i32 %trunc, ptr %94)
  %sext = sext i32 %95 to i64
  store i64 %sext, ptr %len, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using90, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using92, ptr align 8 %using90, i32 16, i1 false)
  %96 = load i64, ptr %len, align 8
  %add = add i64 %96, 1
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self93, ptr align 8 %using92, i32 16, i1 false)
  %add94 = add i64 %add, 0
  %97 = getelementptr inbounds %"any*", ptr %self93, i32 0, i32 1
  %98 = load i64, ptr %97, align 8
  %99 = getelementptr inbounds %"any*", ptr %self93, i32 0, i32 0
  %100 = inttoptr i64 %98 to ptr
  %type97 = load ptr, ptr %.cachedtype96, align 8
  %101 = icmp eq ptr %100, %type97
  br i1 %101, label %cache_hit99, label %cache_miss98

cache_miss98:                                     ; preds = %if.exit89
  %102 = getelementptr inbounds %.introspect, ptr %100, i32 0, i32 2
  %103 = load ptr, ptr %102, align 8
  %104 = call ptr @.dyn_search(ptr %103, ptr @"$sel.acquire")
  store ptr %104, ptr %.inlinecache95, align 8
  store ptr %100, ptr %.cachedtype96, align 8
  br label %105

cache_hit99:                                      ; preds = %if.exit89
  %cache_hit_fn100 = load ptr, ptr %.inlinecache95, align 8
  br label %105

105:                                              ; preds = %cache_hit99, %cache_miss98
  %fn_phi101 = phi ptr [ %cache_hit_fn100, %cache_hit99 ], [ %104, %cache_miss98 ]
  %106 = icmp eq ptr %fn_phi101, null
  br i1 %106, label %missing_function102, label %match103

missing_function102:                              ; preds = %105
  %107 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %107(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match103:                                         ; preds = %105
  %108 = load ptr, ptr %99, align 8
  %109 = call i64 %fn_phi101(ptr %retparam104, ptr %108, i64 %add94, i8 zeroext 0, i64 0, i64 0)
  %not_err105 = icmp eq i64 %109, 0
  %110 = call i1 @llvm.expect.i1(i1 %not_err105, i1 true)
  br i1 %110, label %after_check107, label %assign_optional106

assign_optional106:                               ; preds = %match103
  store i64 %109, ptr %error_var91, align 8
  br label %panic_block108

after_check107:                                   ; preds = %match103
  %111 = load ptr, ptr %retparam104, align 8
  br label %noerr_block112

panic_block108:                                   ; preds = %assign_optional106
  %112 = insertvalue %"any*" undef, ptr %error_var91, 0
  %113 = insertvalue %"any*" %112, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %114 = getelementptr inbounds [1 x %"any*"], ptr %varargslots109, i64 0, i64 0
  store %"any*" %113, ptr %114, align 16
  %115 = insertvalue %"any*[]" undef, ptr %varargslots109, 0
  %"$$temp110" = insertvalue %"any*[]" %115, i64 1, 1
  store %"any*[]" %"$$temp110", ptr %indirectarg111, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg111)
  unreachable

noerr_block112:                                   ; preds = %after_check107
  store ptr %111, ptr %str, align 8
  %116 = load ptr, ptr %str, align 8
  %not113 = icmp eq ptr %116, null
  br i1 %not113, label %if.then114, label %if.exit115

if.then114:                                       ; preds = %noerr_block112
  ret i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64)

if.exit115:                                       ; preds = %noerr_block112
  %117 = load i64, ptr %len, align 8
  %add116 = add i64 %117, 1
  %118 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %119 = load i64, ptr %118, align 8
  %trunc117 = trunc i64 %119 to i32
  %120 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %121 = load ptr, ptr %str, align 8
  %122 = load ptr, ptr %120, align 8
  %123 = call i32 (ptr, i64, ptr, ...) @snprintf(ptr %121, i64 %add116, ptr @.str.10, i32 %trunc117, ptr %122)
  %124 = getelementptr inbounds %Doc, ptr %literal119, i32 0, i32 0
  store ptr null, ptr %literal121, align 8
  %125 = getelementptr inbounds %Head, ptr %literal121, i32 0, i32 0
  %126 = load ptr, ptr %str, align 8
  %127 = load i64, ptr %len, align 8
  %sub = sub i64 %127, 1
  %128 = add i64 %sub, 1
  %size = sub i64 %128, 0
  %ptroffset123 = getelementptr inbounds i8, ptr %126, i64 0
  %129 = insertvalue %"char[]" undef, ptr %ptroffset123, 0
  %130 = insertvalue %"char[]" %129, i64 %size, 1
  store %"char[]" %130, ptr %value124, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using126, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using128, ptr align 8 %using126, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self130, ptr align 8 %using128, i32 16, i1 false)
  %131 = getelementptr inbounds %"any*", ptr %self130, i32 0, i32 1
  %132 = load i64, ptr %131, align 8
  %133 = getelementptr inbounds %"any*", ptr %self130, i32 0, i32 0
  %134 = inttoptr i64 %132 to ptr
  %type134 = load ptr, ptr %.cachedtype133, align 8
  %135 = icmp eq ptr %134, %type134
  br i1 %135, label %cache_hit136, label %cache_miss135

cache_miss135:                                    ; preds = %if.exit115
  %136 = getelementptr inbounds %.introspect, ptr %134, i32 0, i32 2
  %137 = load ptr, ptr %136, align 8
  %138 = call ptr @.dyn_search(ptr %137, ptr @"$sel.acquire")
  store ptr %138, ptr %.inlinecache132, align 8
  store ptr %134, ptr %.cachedtype133, align 8
  br label %139

cache_hit136:                                     ; preds = %if.exit115
  %cache_hit_fn137 = load ptr, ptr %.inlinecache132, align 8
  br label %139

139:                                              ; preds = %cache_hit136, %cache_miss135
  %fn_phi138 = phi ptr [ %cache_hit_fn137, %cache_hit136 ], [ %138, %cache_miss135 ]
  %140 = icmp eq ptr %fn_phi138, null
  br i1 %140, label %missing_function139, label %match140

missing_function139:                              ; preds = %139
  %141 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %141(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match140:                                         ; preds = %139
  %142 = load ptr, ptr %133, align 8
  %143 = call i64 %fn_phi138(ptr %retparam141, ptr %142, i64 16, i8 zeroext 0, i64 0, i64 0)
  %not_err142 = icmp eq i64 %143, 0
  %144 = call i1 @llvm.expect.i1(i1 %not_err142, i1 true)
  br i1 %144, label %after_check144, label %assign_optional143

assign_optional143:                               ; preds = %match140
  store i64 %143, ptr %error_var127, align 8
  br label %panic_block145

after_check144:                                   ; preds = %match140
  %145 = load ptr, ptr %retparam141, align 8
  br label %noerr_block149

panic_block145:                                   ; preds = %assign_optional143
  %146 = insertvalue %"any*" undef, ptr %error_var127, 0
  %147 = insertvalue %"any*" %146, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %148 = getelementptr inbounds [1 x %"any*"], ptr %varargslots146, i64 0, i64 0
  store %"any*" %147, ptr %148, align 16
  %149 = insertvalue %"any*[]" undef, ptr %varargslots146, 0
  %"$$temp147" = insertvalue %"any*[]" %149, i64 1, 1
  store %"any*[]" %"$$temp147", ptr %indirectarg148, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg148)
  unreachable

noerr_block149:                                   ; preds = %after_check144
  store ptr %145, ptr %temp125, align 8
  %150 = load ptr, ptr %temp125, align 8
  %not150 = icmp eq ptr %150, null
  br i1 %not150, label %if.then151, label %if.exit152

if.then151:                                       ; preds = %noerr_block149
  store i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), ptr %error_var122, align 8
  br label %guard_block153

if.exit152:                                       ; preds = %noerr_block149
  %151 = load ptr, ptr %temp125, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %151, ptr align 8 %value124, i32 16, i1 false)
  br label %noerr_block154

guard_block153:                                   ; preds = %if.then151
  %152 = load i64, ptr %error_var122, align 8
  ret i64 %152

noerr_block154:                                   ; preds = %if.exit152
  %153 = load ptr, ptr %temp125, align 8
  store ptr %153, ptr %125, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %value155, ptr align 8 %literal121, i32 8, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using157, ptr align 8 @std.core.mem.thread_allocator, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %using159, ptr align 8 %using157, i32 16, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %self161, ptr align 8 %using159, i32 16, i1 false)
  %154 = getelementptr inbounds %"any*", ptr %self161, i32 0, i32 1
  %155 = load i64, ptr %154, align 8
  %156 = getelementptr inbounds %"any*", ptr %self161, i32 0, i32 0
  %157 = inttoptr i64 %155 to ptr
  %type165 = load ptr, ptr %.cachedtype164, align 8
  %158 = icmp eq ptr %157, %type165
  br i1 %158, label %cache_hit167, label %cache_miss166

cache_miss166:                                    ; preds = %noerr_block154
  %159 = getelementptr inbounds %.introspect, ptr %157, i32 0, i32 2
  %160 = load ptr, ptr %159, align 8
  %161 = call ptr @.dyn_search(ptr %160, ptr @"$sel.acquire")
  store ptr %161, ptr %.inlinecache163, align 8
  store ptr %157, ptr %.cachedtype164, align 8
  br label %162

cache_hit167:                                     ; preds = %noerr_block154
  %cache_hit_fn168 = load ptr, ptr %.inlinecache163, align 8
  br label %162

162:                                              ; preds = %cache_hit167, %cache_miss166
  %fn_phi169 = phi ptr [ %cache_hit_fn168, %cache_hit167 ], [ %161, %cache_miss166 ]
  %163 = icmp eq ptr %fn_phi169, null
  br i1 %163, label %missing_function170, label %match171

missing_function170:                              ; preds = %162
  %164 = load ptr, ptr @std.core.builtin.panic, align 8
  call void %164(ptr @.panic_msg, i64 44, ptr @.file, i64 16, ptr @.func, i64 7, i32 28)
  unreachable

match171:                                         ; preds = %162
  %165 = load ptr, ptr %156, align 8
  %166 = call i64 %fn_phi169(ptr %retparam172, ptr %165, i64 8, i8 zeroext 0, i64 0, i64 0)
  %not_err173 = icmp eq i64 %166, 0
  %167 = call i1 @llvm.expect.i1(i1 %not_err173, i1 true)
  br i1 %167, label %after_check175, label %assign_optional174

assign_optional174:                               ; preds = %match171
  store i64 %166, ptr %error_var158, align 8
  br label %panic_block176

after_check175:                                   ; preds = %match171
  %168 = load ptr, ptr %retparam172, align 8
  br label %noerr_block180

panic_block176:                                   ; preds = %assign_optional174
  %169 = insertvalue %"any*" undef, ptr %error_var158, 0
  %170 = insertvalue %"any*" %169, i64 ptrtoint (ptr @"$ct.anyfault" to i64), 1
  %171 = getelementptr inbounds [1 x %"any*"], ptr %varargslots177, i64 0, i64 0
  store %"any*" %170, ptr %171, align 16
  %172 = insertvalue %"any*[]" undef, ptr %varargslots177, 0
  %"$$temp178" = insertvalue %"any*[]" %172, i64 1, 1
  store %"any*[]" %"$$temp178", ptr %indirectarg179, align 8
  call void @std.core.builtin.panicf(ptr @.panic_msg.6, i64 36, ptr @.file.7, i64 6, ptr @.func, i64 7, i32 390, ptr byval(%"any*[]") align 8 %indirectarg179)
  unreachable

noerr_block180:                                   ; preds = %after_check175
  store ptr %168, ptr %temp156, align 8
  %173 = load ptr, ptr %temp156, align 8
  %not181 = icmp eq ptr %173, null
  br i1 %not181, label %if.then182, label %if.exit183

if.then182:                                       ; preds = %noerr_block180
  store i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), ptr %error_var120, align 8
  br label %guard_block184

if.exit183:                                       ; preds = %noerr_block180
  %174 = load ptr, ptr %temp156, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %174, ptr align 8 %value155, i32 8, i1 false)
  br label %noerr_block185

guard_block184:                                   ; preds = %if.then182
  %175 = load i64, ptr %error_var120, align 8
  ret i64 %175

noerr_block185:                                   ; preds = %if.exit183
  %176 = load ptr, ptr %temp156, align 8
  store ptr %176, ptr %124, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %0, ptr align 8 %literal119, i32 8, i1 false)
  ret i64 0
}

; Function Attrs: nounwind
define { ptr, i8 } @test.buildSummary(ptr %0) #0 {
entry:
  %doc = alloca %Doc, align 8
  %literal = alloca %Summary, align 8
  store ptr %0, ptr %doc, align 8
  %1 = getelementptr inbounds %Summary, ptr %literal, i32 0, i32 0
  store ptr null, ptr %1, align 8
  %2 = getelementptr inbounds %Summary, ptr %literal, i32 0, i32 1
  store i8 0, ptr %2, align 8
  %3 = getelementptr inbounds %Summary, ptr %literal, i32 0, i32 0
  %4 = getelementptr inbounds %Doc, ptr %doc, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8
  %ptrbool = icmp ne ptr %5, null
  br i1 %ptrbool, label %cond.lhs, label %cond.rhs

cond.lhs:                                         ; preds = %entry
  %6 = getelementptr inbounds %Doc, ptr %doc, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8
  %8 = getelementptr inbounds %Head, ptr %7, i32 0, i32 0
  %9 = load ptr, ptr %8, align 8
  br label %cond.phi

cond.rhs:                                         ; preds = %entry
  br label %cond.phi

cond.phi:                                         ; preds = %cond.rhs, %cond.lhs
  %val = phi ptr [ %9, %cond.lhs ], [ null, %cond.rhs ]
  store ptr %val, ptr %3, align 8
  %10 = getelementptr inbounds %Summary, ptr %literal, i32 0, i32 1
  store i8 1, ptr %10, align 8
  %11 = load { ptr, i8 }, ptr %literal, align 8
  ret { ptr, i8 } %11
}

; Function Attrs: nounwind
define { ptr, i8 } @test.readAndBuildSummary(ptr %0, i64 %1) #0 {
entry:
  %url = alloca %"char[]", align 8
  %retparam = alloca %Doc, align 8
  %result = alloca %Summary, align 8
  %literal = alloca %Summary, align 8
  %taddr = alloca %Summary, align 8
  store ptr %0, ptr %url, align 8
  %ptroffset = getelementptr inbounds i64, ptr %url, i64 1
  store i64 %1, ptr %ptroffset, align 8
  %2 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo = load ptr, ptr %2, align 8
  %3 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi = load i64, ptr %3, align 8
  %4 = call i64 @test.readDoc(ptr %retparam, ptr %lo, i64 %hi)
  %not_err = icmp eq i64 %4, 0
  %5 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
  br i1 %5, label %after_check, label %else_block

after_check:                                      ; preds = %entry
  %6 = load ptr, ptr %retparam, align 8
  %7 = call { ptr, i8 } @test.buildSummary(ptr %6)
  store { ptr, i8 } %7, ptr %result, align 8
  %8 = load %Summary, ptr %result, align 8
  br label %phi_block

else_block:                                       ; preds = %entry
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %literal, ptr align 8 @.__const.11, i32 16, i1 false)
  %9 = load %Summary, ptr %literal, align 8
  br label %phi_block

phi_block:                                        ; preds = %else_block, %after_check
  %val = phi %Summary [ %8, %after_check ], [ %9, %else_block ]
  store %Summary %val, ptr %taddr, align 8
  %10 = load { ptr, i8 }, ptr %taddr, align 8
  ret { ptr, i8 } %10
}

; Function Attrs: nounwind
define i64 @test.isTitleNonEmpty(ptr %0, ptr %1) #0 {
entry:
  %doc = alloca %Doc, align 8
  %head = alloca ptr, align 8
  %reterr = alloca i64, align 8
  store ptr %1, ptr %doc, align 8
  %2 = getelementptr inbounds %Doc, ptr %doc, i32 0, i32 0
  %3 = load ptr, ptr %2, align 8
  %not = icmp eq ptr %3, null
  br i1 %not, label %if.then, label %if.exit

if.then:                                          ; preds = %entry
  ret i64 ptrtoint (ptr @"test.TitleResult$TITLE_MISSING" to i64)

if.exit:                                          ; preds = %entry
  %4 = getelementptr inbounds %Doc, ptr %doc, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8
  %6 = getelementptr inbounds %Head, ptr %5, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8
  store ptr %7, ptr %head, align 8
  %8 = load ptr, ptr %head, align 8
  %not1 = icmp eq ptr %8, null
  br i1 %not1, label %if.then2, label %if.exit3

if.then2:                                         ; preds = %if.exit
  ret i64 ptrtoint (ptr @"test.TitleResult$TITLE_MISSING" to i64)

if.exit3:                                         ; preds = %if.exit
  %9 = load ptr, ptr %head, align 8
  %10 = getelementptr inbounds %"char[]", ptr %9, i32 0, i32 1
  %11 = load i64, ptr %10, align 8
  %lt = icmp ult i64 0, %11
  %12 = zext i1 %lt to i8
  store i8 %12, ptr %0, align 1
  ret i64 0
}

; Function Attrs: nounwind
define i64 @test.readWhetherTitleNonEmpty(ptr %0, ptr %1, i64 %2) #0 {
entry:
  %url = alloca %"char[]", align 8
  %reterr = alloca i64, align 8
  %retparam = alloca %Doc, align 8
  %retparam1 = alloca i8, align 1
  store ptr %1, ptr %url, align 8
  %ptroffset = getelementptr inbounds i64, ptr %url, i64 1
  store i64 %2, ptr %ptroffset, align 8
  %3 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo = load ptr, ptr %3, align 8
  %4 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi = load i64, ptr %4, align 8
  %5 = call i64 @test.readDoc(ptr %retparam, ptr %lo, i64 %hi)
  %not_err = icmp eq i64 %5, 0
  %6 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
  br i1 %6, label %after_check, label %assign_optional

assign_optional:                                  ; preds = %entry
  store i64 %5, ptr %reterr, align 8
  br label %err_retblock

after_check:                                      ; preds = %entry
  %7 = load ptr, ptr %retparam, align 8
  %8 = call i64 @test.isTitleNonEmpty(ptr %retparam1, ptr %7)
  %not_err2 = icmp eq i64 %8, 0
  %9 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
  br i1 %9, label %after_check4, label %assign_optional3

assign_optional3:                                 ; preds = %after_check
  store i64 %8, ptr %reterr, align 8
  br label %err_retblock

after_check4:                                     ; preds = %after_check
  %10 = load i8, ptr %retparam1, align 1
  store i8 %10, ptr %0, align 1
  ret i64 0

err_retblock:                                     ; preds = %assign_optional3, %assign_optional
  %11 = load i64, ptr %reterr, align 8
  ret i64 %11
}

; Function Attrs: nounwind
define ptr @test.bool_to_string(i8 zeroext %0) #0 {
entry:
  %1 = trunc i8 %0 to i1
  %ternary = select i1 %1, %"char[]" { ptr @.str.12, i64 4 }, %"char[]" { ptr @.str.13, i64 5 }
  %2 = extractvalue %"char[]" %ternary, 0
  ret ptr %2
}

; Function Attrs: nounwind
define ptr @test.nameFromError(i64 %0) #0 {
entry:
  %switch = alloca i64, align 8
  store i64 %0, ptr %switch, align 8
  br label %switch.entry

switch.entry:                                     ; preds = %entry
  %1 = load i64, ptr %switch, align 8
  %eq = icmp eq i64 ptrtoint (ptr @"test.TitleResult$TITLE_MISSING" to i64), %1
  br i1 %eq, label %switch.case, label %next_if

switch.case:                                      ; preds = %switch.entry
  ret ptr @.str.14

next_if:                                          ; preds = %switch.entry
  %eq1 = icmp eq i64 ptrtoint (ptr @"test.ReadError$BAD_READ" to i64), %1
  br i1 %eq1, label %switch.case2, label %next_if3

switch.case2:                                     ; preds = %next_if
  ret ptr @.str.15

next_if3:                                         ; preds = %next_if
  %eq4 = icmp eq i64 ptrtoint (ptr @"test.ReadError$OUT_OF_MEMORY" to i64), %1
  br i1 %eq4, label %switch.case5, label %next_if6

switch.case5:                                     ; preds = %next_if3
  ret ptr @.str.16

next_if6:                                         ; preds = %next_if3
  br label %switch.default

switch.default:                                   ; preds = %next_if6
  ret ptr @.str.17
}

; Function Attrs: nounwind
define void @test.main() #0 {
entry:
  %.anon = alloca i64, align 8
  %.anon1 = alloca i64, align 8
  %url = alloca %"char[]", align 8
  %summary = alloca %Summary, align 8
  %result = alloca %Summary, align 8
  %title_sure = alloca %"char[]", align 8
  %has_title = alloca i8, align 1
  %has_title.f = alloca i64, align 8
  %retparam = alloca i8, align 1
  %blockret = alloca i64, align 8
  %f = alloca i64, align 8
  %0 = load i64, ptr getelementptr inbounds (%"char[][]", ptr @main.URLS, i32 0, i32 1), align 8
  store i64 %0, ptr %.anon, align 8
  store i64 0, ptr %.anon1, align 8
  br label %loop.cond

loop.cond:                                        ; preds = %phi_block16, %entry
  %1 = load i64, ptr %.anon1, align 8
  %2 = load i64, ptr %.anon, align 8
  %lt = icmp ult i64 %1, %2
  br i1 %lt, label %loop.body, label %loop.exit

loop.body:                                        ; preds = %loop.cond
  %3 = load ptr, ptr @main.URLS, align 8
  %4 = load i64, ptr %.anon1, align 8
  %ptroffset = getelementptr inbounds %"char[]", ptr %3, i64 %4
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %url, ptr align 8 %ptroffset, i32 16, i1 false)
  %5 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %6 = load i64, ptr %5, align 8
  %trunc = trunc i64 %6 to i32
  %7 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8
  %9 = call i32 (ptr, ...) @printf(ptr @.str.23, i32 %trunc, ptr %8)
  %10 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo = load ptr, ptr %10, align 8
  %11 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi = load i64, ptr %11, align 8
  %12 = call { ptr, i8 } @test.readAndBuildSummary(ptr %lo, i64 %hi)
  store { ptr, i8 } %12, ptr %result, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %summary, ptr align 8 %result, i32 16, i1 false)
  %13 = call i32 (ptr, ...) @printf(ptr @.str.24)
  %14 = load ptr, ptr @__stdoutp, align 8
  call void @test.Summary.print(ptr %summary, ptr %14)
  %15 = call i32 (ptr, ...) @printf(ptr @.str.25)
  %16 = getelementptr inbounds %Summary, ptr %summary, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8
  %ptrbool = icmp ne ptr %17, null
  br i1 %ptrbool, label %cond.lhs, label %cond.rhs

cond.lhs:                                         ; preds = %loop.body
  %18 = getelementptr inbounds %Summary, ptr %summary, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8
  %20 = load %"char[]", ptr %19, align 8
  br label %cond.phi

cond.rhs:                                         ; preds = %loop.body
  br label %cond.phi

cond.phi:                                         ; preds = %cond.rhs, %cond.lhs
  %val = phi %"char[]" [ %20, %cond.lhs ], [ zeroinitializer, %cond.rhs ]
  store %"char[]" %val, ptr %title_sure, align 8
  %21 = getelementptr inbounds %"char[]", ptr %title_sure, i32 0, i32 1
  %22 = load i64, ptr %21, align 8
  %trunc2 = trunc i64 %22 to i32
  %23 = getelementptr inbounds %"char[]", ptr %title_sure, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8
  %25 = call i32 (ptr, ...) @printf(ptr @.str.26, i32 %trunc2, ptr %24)
  %26 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 0
  %lo3 = load ptr, ptr %26, align 8
  %27 = getelementptr inbounds %"char[]", ptr %url, i32 0, i32 1
  %hi4 = load i64, ptr %27, align 8
  %28 = call i64 @test.readWhetherTitleNonEmpty(ptr %retparam, ptr %lo3, i64 %hi4)
  %not_err = icmp eq i64 %28, 0
  %29 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
  br i1 %29, label %after_check, label %assign_optional

assign_optional:                                  ; preds = %cond.phi
  store i64 %28, ptr %has_title.f, align 8
  br label %after_assign

after_check:                                      ; preds = %cond.phi
  %30 = load i8, ptr %retparam, align 1
  store i8 %30, ptr %has_title, align 1
  store i64 0, ptr %has_title.f, align 8
  br label %after_assign

after_assign:                                     ; preds = %after_check, %assign_optional
  %optval = load i64, ptr %has_title.f, align 8
  %not_err5 = icmp eq i64 %optval, 0
  %31 = call i1 @llvm.expect.i1(i1 %not_err5, i1 true)
  br i1 %31, label %after_check6, label %else_block

after_check6:                                     ; preds = %after_assign
  %32 = load i8, ptr %has_title, align 1
  %33 = call ptr @test.bool_to_string(i8 zeroext %32)
  br label %phi_block

else_block:                                       ; preds = %after_assign
  br label %testblock

testblock:                                        ; preds = %else_block
  %optval7 = load i64, ptr %has_title.f, align 8
  %not_err8 = icmp eq i64 %optval7, 0
  %34 = call i1 @llvm.expect.i1(i1 %not_err8, i1 true)
  br i1 %34, label %after_check10, label %assign_optional9

assign_optional9:                                 ; preds = %testblock
  store i64 %optval7, ptr %f, align 8
  br label %end_block

after_check10:                                    ; preds = %testblock
  store i64 0, ptr %f, align 8
  br label %end_block

end_block:                                        ; preds = %after_check10, %assign_optional9
  %35 = load i64, ptr %f, align 8
  %neq = icmp ne i64 %35, 0
  br i1 %neq, label %if.then, label %if.exit

if.then:                                          ; preds = %end_block
  %36 = load i64, ptr %f, align 8
  store i64 %36, ptr %blockret, align 8
  br label %expr_block.exit

if.exit:                                          ; preds = %end_block
  store i64 0, ptr %blockret, align 8
  br label %expr_block.exit

expr_block.exit:                                  ; preds = %if.exit, %if.then
  %37 = load i64, ptr %blockret, align 8
  %38 = call ptr @test.nameFromError(i64 %37)
  br label %phi_block

phi_block:                                        ; preds = %expr_block.exit, %after_check6
  %val11 = phi ptr [ %33, %after_check6 ], [ %38, %expr_block.exit ]
  %optval12 = load i64, ptr %has_title.f, align 8
  %not_err13 = icmp eq i64 %optval12, 0
  %39 = call i1 @llvm.expect.i1(i1 %not_err13, i1 true)
  br i1 %39, label %after_check14, label %else_block15

after_check14:                                    ; preds = %phi_block
  %40 = load i8, ptr %has_title, align 1
  %41 = trunc i8 %40 to i1
  br label %phi_block16

else_block15:                                     ; preds = %phi_block
  br label %phi_block16

phi_block16:                                      ; preds = %else_block15, %after_check14
  %val17 = phi i1 [ %41, %after_check14 ], [ false, %else_block15 ]
  %ternary = select i1 %val17, ptr @.str.28, ptr @.str.29
  %42 = call i32 (ptr, ...) @printf(ptr @.str.27, ptr %val11, ptr %ternary)
  %43 = load i64, ptr %.anon1, align 8
  %add = add i64 %43, 1
  store i64 %add, ptr %.anon1, align 8
  br label %loop.cond

loop.exit:                                        ; preds = %loop.cond
  ret void
}