int test_ft_memcpy() {
  void *src;
  void *dst1;
  printf("%s\n", __func__ + 5);
  _it("should copy n bytes from memory area src to memory area dst.");
  dst1 = malloc(1);
  memset(dst1, 0, 1);
  ft_memcpy(dst1, "a", 0);
  do {
    _begin_assert();
    if (!(!((char *)dst1)[0])) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 94);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  src = "je sais pas std";
  dst1 = malloc(strlen(src) + 1);
  ft_memcpy(dst1, src, strlen(src) + 1);
  do {
    _begin_assert();
    if (strcmp(src, dst1)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 99);
        _color(0);
      } while (0);
      printf("expected \"%s\" to equal \"%s\"\n\n", (char *)src, (char *)dst1);
      return 1;
    }
  } while (0);
  _it("should return the original value of dst");
  dst1 = malloc(5);
  do {
    _begin_assert();
    if (ft_memcpy(dst1, src, 5) != dst1) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 103);
        _color(0);
      } while (0);
      printf("expected %p to equal %p\n\n", ft_memcpy(dst1, src, 5), dst1);
      return 1;
    }
  } while (0);
  do {
    _close_pending();
    printf("\n");
    return (0);
  } while (0);
}


x86 assembly (clang, -O0):
<test_ft_memcpy>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
lea    0xe41(%rip),%rdi
lea    0xe3e(%rip),%rsi
add    $0x5,%rsi
mov    $0x0,%al
call   1060 <printf@plt>
lea    0xe3b(%rip),%rdi
mov    $0x0,%al
call   10c0 <_it@plt>
mov    $0x1,%edi
call   1090 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
xor    %esi,%esi
mov    $0x1,%edx
call   1070 <memset@plt>
mov    -0x18(%rbp),%rdi
lea    0xe48(%rip),%rsi
xor    %edx,%edx
mov    $0x0,%al
call   10b0 <ft_memcpy@plt>
mov    $0x0,%al
call   1030 <_begin_assert@plt>
mov    -0x18(%rbp),%rax
cmpb   $0x0,(%rax)
je     1267 <test_ft_memcpy+0xb7>
mov    $0x0,%al
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
lea    0xe13(%rip),%rdi
lea    0xdbe(%rip),%rsi
mov    $0x5e,%edx
mov    $0x0,%al
call   1060 <printf@plt>
xor    %edi,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
movl   $0x1,-0x4(%rbp)
jmp    140c <test_ft_memcpy+0x25c>
jmp    126c <test_ft_memcpy+0xbc>
lea    0xdf9(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    %rax,%rdi
add    $0x1,%rdi
call   1090 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x10(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rdi
call   1050 <strlen@plt>
mov    -0x28(%rbp),%rdi
mov    -0x20(%rbp),%rsi
mov    %rax,%rdx
add    $0x1,%rdx
mov    $0x0,%al
call   10b0 <ft_memcpy@plt>
mov    $0x0,%al
call   1030 <_begin_assert@plt>
mov    -0x10(%rbp),%rdi
mov    -0x18(%rbp),%rsi
call   1080 <strcmp@plt>
cmp    $0x0,%eax
je     1334 <test_ft_memcpy+0x184>
mov    $0x0,%al
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
lea    0xd5c(%rip),%rdi
lea    0xd07(%rip),%rsi
mov    $0x63,%edx
mov    $0x0,%al
call   1060 <printf@plt>
xor    %edi,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
mov    -0x10(%rbp),%rsi
mov    -0x18(%rbp),%rdx
lea    0xd5b(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    140c <test_ft_memcpy+0x25c>
jmp    1339 <test_ft_memcpy+0x189>
lea    0xd5a(%rip),%rdi
mov    $0x0,%al
call   10c0 <_it@plt>
mov    $0x5,%edi
call   1090 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    $0x0,%al
call   1030 <_begin_assert@plt>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    $0x5,%edx
mov    $0x0,%al
call   10b0 <ft_memcpy@plt>
cltq
cmp    -0x18(%rbp),%rax
je     13e6 <test_ft_memcpy+0x236>
mov    $0x0,%al
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
lea    0xcbc(%rip),%rdi
lea    0xc67(%rip),%rsi
mov    $0x67,%edx
mov    $0x0,%al
call   1060 <printf@plt>
xor    %edi,%edi
mov    $0x0,%al
call   10a0 <_color@plt>
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
mov    $0x5,%edx
mov    $0x0,%al
call   10b0 <ft_memcpy@plt>
mov    %eax,%esi
mov    -0x18(%rbp),%rdx
lea    0xcef(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    140c <test_ft_memcpy+0x25c>
jmp    13eb <test_ft_memcpy+0x23b>
jmp    13f0 <test_ft_memcpy+0x240>
mov    $0x0,%al
call   1040 <_close_pending@plt>
lea    0xc9a(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<test_ft_memcpy>:
push   %rbp
push   %rbx
push   %rax
lea    0xe4b(%rip),%rdi
call   1050 <puts@plt>
lea    0xe49(%rip),%rdi
xor    %eax,%eax
call   10c0 <_it@plt>
mov    $0x1,%edi
call   1090 <malloc@plt>
mov    %rax,%rbx
movb   $0x0,(%rax)
lea    0xe68(%rip),%rsi
mov    %rax,%rdi
xor    %edx,%edx
xor    %eax,%eax
call   10b0 <ft_memcpy@plt>
xor    %eax,%eax
call   1040 <_begin_assert@plt>
cmpb   $0x0,(%rbx)
je     123c <test_ft_memcpy+0x8c>
xor    %eax,%eax
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
lea    0xe38(%rip),%rdi
lea    0xde3(%rip),%rsi
mov    $0x5e,%edx
xor    %eax,%eax
call   1070 <printf@plt>
xor    %edi,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
mov    $0x1,%ebp
jmp    1388 <test_ft_memcpy+0x1d8>
mov    $0x10,%edi
call   1090 <malloc@plt>
mov    %rax,%rbx
lea    0xe18(%rip),%rbp
mov    $0x10,%edx
mov    %rax,%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   10b0 <ft_memcpy@plt>
xor    %eax,%eax
call   1040 <_begin_assert@plt>
mov    %rbp,%rdi
mov    %rbx,%rsi
call   1080 <strcmp@plt>
test   %eax,%eax
je     12d0 <test_ft_memcpy+0x120>
xor    %eax,%eax
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
lea    0xdbc(%rip),%rdi
lea    0xd67(%rip),%rsi
mov    $0x63,%edx
xor    %eax,%eax
call   1070 <printf@plt>
xor    %edi,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
lea    0xdc3(%rip),%rdi
lea    0xdac(%rip),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1070 <printf@plt>
mov    $0x1,%ebp
jmp    1388 <test_ft_memcpy+0x1d8>
lea    0xdbf(%rip),%rdi
xor    %ebp,%ebp
xor    %eax,%eax
call   10c0 <_it@plt>
mov    $0x5,%edi
call   1090 <malloc@plt>
mov    %rax,%rbx
xor    %eax,%eax
call   1040 <_begin_assert@plt>
lea    0xd6d(%rip),%rsi
mov    %rbx,%rdi
mov    $0x5,%edx
xor    %eax,%eax
call   10b0 <ft_memcpy@plt>
cltq
cmp    %rax,%rbx
je     1377 <test_ft_memcpy+0x1c7>
xor    %eax,%eax
call   10d0 <_fail_test@plt>
mov    $0x1f,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
lea    0xd23(%rip),%rdi
lea    0xcce(%rip),%rsi
mov    $0x67,%edx
xor    %eax,%eax
call   1070 <printf@plt>
xor    %edi,%edi
xor    %eax,%eax
call   10a0 <_color@plt>
lea    0xd1a(%rip),%rsi
mov    %rbx,%rdi
mov    $0x5,%edx
xor    %eax,%eax
call   10b0 <ft_memcpy@plt>
lea    0xd5a(%rip),%rdi
mov    %eax,%esi
mov    %rbx,%rdx
xor    %eax,%eax
call   1070 <printf@plt>
mov    $0x1,%ebp
jmp    1388 <test_ft_memcpy+0x1d8>
xor    %eax,%eax
call   1060 <_close_pending@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
@__func__.test_ft_memcpy = [15 x i8] c"test_ft_memcpy\00"
@.str.1 = [61 x i8] c"should copy n bytes from memory area src to memory area dst.\00"
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [26 x i8] c"\0Afailure in %s() line %d\0A\00"
@.str.4 = [16 x i8] c"je sais pas std\00"
@.str.5 = [30 x i8] c"expected \22%s\22 to equal \22%s\22\0A\0A\00"
@.str.6 = [40 x i8] c"should return the original value of dst\00"
@.str.7 = [26 x i8] c"expected %p to equal %p\0A\0A\00"
@.str.8 = [2 x i8] c"\0A\00"
define i32 @test_ft_memcpy() {
%1 = alloca i32
%2 = alloca i8*
%3 = alloca i8*
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 5))
%5 = call i32 (i8*, ...) bitcast (i32 (...)* @_it to i32 (i8*, ...)*)(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.1, i64 0, i64 0))
%6 = call i8* @malloc(i64 1)
store i8* %6, i8** %3
%7 = load i8*, i8** %3
%8 = load i8*, i8** %3
%9 = call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %8, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i32 0)
br label %10
10: ; preds = %0
%11 = call i32 (...) @_begin_assert()
%12 = load i8*, i8** %3
%13 = getelementptr inbounds i8, i8* %12, i64 0
%14 = load i8, i8* %13
%15 = icmp ne i8 %14, 0
br i1 %15, label %16, label %23
16: ; preds = %10
%17 = call i32 (...) @_fail_test()
br label %18
18: ; preds = %16
%19 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 94)
%21 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
br label %22
22: ; preds = %18
store i32 1, i32* %1
br label %81
23: ; preds = %10
br label %24
24: ; preds = %23
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i8** %2
%25 = load i8*, i8** %2
%26 = call i64 @strlen(i8* %25)
%27 = add i64 %26, 1
%28 = call i8* @malloc(i64 %27)
store i8* %28, i8** %3
%29 = load i8*, i8** %3
%30 = load i8*, i8** %2
%31 = load i8*, i8** %2
%32 = call i64 @strlen(i8* %31)
%33 = add i64 %32, 1
%34 = call i32 (i8*, i8*, i64, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i64, ...)*)(i8* %29, i8* %30, i64 %33)
br label %35
35: ; preds = %24
%36 = call i32 (...) @_begin_assert()
%37 = load i8*, i8** %2
%38 = load i8*, i8** %3
%39 = call i32 @strcmp(i8* %37, i8* %38)
%40 = icmp ne i32 %39, 0
br i1 %40, label %41, label %51
41: ; preds = %35
%42 = call i32 (...) @_fail_test()
br label %43
43: ; preds = %41
%44 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%45 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 99)
%46 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
br label %47
47: ; preds = %43
%48 = load i8*, i8** %2
%49 = load i8*, i8** %3
%50 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i8* %48, i8* %49)
store i32 1, i32* %1
br label %81
51: ; preds = %35
br label %52
52: ; preds = %51
%53 = call i32 (i8*, ...) bitcast (i32 (...)* @_it to i32 (i8*, ...)*)(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.6, i64 0, i64 0))
%54 = call i8* @malloc(i64 5)
store i8* %54, i8** %3
br label %55
55: ; preds = %52
%56 = call i32 (...) @_begin_assert()
%57 = load i8*, i8** %3
%58 = load i8*, i8** %2
%59 = call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %57, i8* %58, i32 5)
%60 = sext i32 %59 to i64
%61 = inttoptr i64 %60 to i8*
%62 = load i8*, i8** %3
%63 = icmp ne i8* %61, %62
br i1 %63, label %64, label %76
64: ; preds = %55
%65 = call i32 (...) @_fail_test()
br label %66
66: ; preds = %64
%67 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%68 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 103)
%69 = call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
br label %70
70: ; preds = %66
%71 = load i8*, i8** %3
%72 = load i8*, i8** %2
%73 = call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %71, i8* %72, i32 5)
%74 = load i8*, i8** %3
%75 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.7, i64 0, i64 0), i32 %73, i8* %74)
store i32 1, i32* %1
br label %81
76: ; preds = %55
br label %77
77: ; preds = %76
br label %78
78: ; preds = %77
%79 = call i32 (...) @_close_pending()
%80 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8, i64 0, i64 0))
store i32 0, i32* %1
br label %81
81: ; preds = %22, %47, %70, %78
%82 = load i32, i32* %1
ret i32 %82
}

LLVM IR (-O2):
@__func__.test_ft_memcpy = [15 x i8] c"test_ft_memcpy\00"
@.str.1 = [61 x i8] c"should copy n bytes from memory area src to memory area dst.\00"
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [26 x i8] c"\0Afailure in %s() line %d\0A\00"
@.str.4 = [16 x i8] c"je sais pas std\00"
@.str.5 = [30 x i8] c"expected \22%s\22 to equal \22%s\22\0A\0A\00"
@.str.6 = [40 x i8] c"should return the original value of dst\00"
@.str.7 = [26 x i8] c"expected %p to equal %p\0A\0A\00"
define i32 @test_ft_memcpy() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 5))
%2 = tail call i32 (i8*, ...) bitcast (i32 (...)* @_it to i32 (i8*, ...)*)(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call dereferenceable_or_null(1) i8* @malloc(i64 1)
store i8 0, i8* %3
%4 = tail call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %3, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i32 0)
%5 = tail call i32 (...) @_begin_assert()
%6 = load i8, i8* %3
%7 = icmp eq i8 %6, 0
br i1 %7, label %13, label %8
8: ; preds = %0
%9 = tail call i32 (...) @_fail_test()
%10 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 94)
%12 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
br label %43
13: ; preds = %0
%14 = tail call dereferenceable_or_null(16) i8* @malloc(i64 16)
%15 = tail call i32 (i8*, i8*, i64, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i64, ...)*)(i8* %14, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i64 16)
%16 = tail call i32 (...) @_begin_assert()
%17 = tail call i32 @strcmp(i8* dereferenceable(16) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i8* dereferenceable(1) %14)
%18 = icmp eq i32 %17, 0
br i1 %18, label %25, label %19
19: ; preds = %13
%20 = tail call i32 (...) @_fail_test()
%21 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 99)
%23 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i8* %14)
br label %43
25: ; preds = %13
%26 = tail call i32 (i8*, ...) bitcast (i32 (...)* @_it to i32 (i8*, ...)*)(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.6, i64 0, i64 0))
%27 = tail call dereferenceable_or_null(5) i8* @malloc(i64 5)
%28 = tail call i32 (...) @_begin_assert()
%29 = tail call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %27, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i32 5)
%30 = sext i32 %29 to i64
%31 = inttoptr i64 %30 to i8*
%32 = icmp eq i8* %27, %31
br i1 %32, label %40, label %33
33: ; preds = %25
%34 = tail call i32 (...) @_fail_test()
%35 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 31)
%36 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__func__.test_ft_memcpy, i64 0, i64 0), i32 103)
%37 = tail call i32 (i32, ...) bitcast (i32 (...)* @_color to i32 (i32, ...)*)(i32 0)
%38 = tail call i32 (i8*, i8*, i32, ...) bitcast (i32 (...)* @ft_memcpy to i32 (i8*, i8*, i32, ...)*)(i8* %27, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i32 5)
%39 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.7, i64 0, i64 0), i32 %38, i8* %27)
br label %43
40: ; preds = %25
%41 = tail call i32 (...) @_close_pending()
%42 = tail call i32 @putchar(i32 10)
br label %43
43: ; preds = %40, %33, %19, %8
%44 = phi i32 [ 1, %8 ], [ 1, %19 ], [ 1, %33 ], [ 0, %40 ]
ret i32 %44
}