#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 */
typedef int uint8_t;
struct time {
  int dummy;
};

/* Variables and functions */
int *encode_time(struct time *, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
void print_struct_time(struct time *time) {
  uint8_t *encoded_time = encode_time(time, 0);
  printf("encoded time = ");
  for (size_t i = 0; i < 20; i++) {
    printf("%02x", encoded_time[i]);
  }
  printf("\n");
}


x86 assembly (clang, -O0):
<print_struct_time>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
xor    %esi,%esi
call   1030 <encode_time@plt>
mov    %rax,-0x10(%rbp)
lea    0xebe(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movq   $0x0,-0x18(%rbp)
cmpq   $0x14,-0x18(%rbp)
jae    1186 <print_struct_time+0x66>
mov    -0x10(%rbp),%rax
mov    -0x18(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x18(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x18(%rbp)
jmp    1151 <print_struct_time+0x31>
lea    0xe88(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_struct_time>:
push   %r14
push   %rbx
push   %rax
xor    %esi,%esi
call   1040 <encode_time@plt>
mov    %rax,%rbx
lea    0xebb(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    (%rbx),%esi
lea    0xebb(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x8(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0xc(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x10(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x14(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x18(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x1c(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x20(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x24(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x28(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x2c(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x30(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x34(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x38(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x3c(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x40(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x44(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x48(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x4c(%rbx),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <putchar@plt>

LLVM IR (-O0):
%struct.time = type { i32 }
@.str = [16 x i8] c"encoded time = \00"
@.str.1 = [5 x i8] c"%02x\00"
@.str.2 = [2 x i8] c"\0A\00"
define void @print_struct_time(%struct.time* %0) {
%2 = alloca %struct.time*
%3 = alloca i32*
%4 = alloca i64
store %struct.time* %0, %struct.time** %2
%5 = load %struct.time*, %struct.time** %2
%6 = call i32* @encode_time(%struct.time* %5, i32 0)
store i32* %6, i32** %3
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
store i64 0, i64* %4
br label %8
8: ; preds = %17, %1
%9 = load i64, i64* %4
%10 = icmp ult i64 %9, 20
br i1 %10, label %11, label %20
11: ; preds = %8
%12 = load i32*, i32** %3
%13 = load i64, i64* %4
%14 = getelementptr inbounds i32, i32* %12, i64 %13
%15 = load i32, i32* %14
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %15)
br label %17
17: ; preds = %11
%18 = load i64, i64* %4
%19 = add i64 %18, 1
store i64 %19, i64* %4
br label %8
20: ; preds = %8
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
%struct.time = type { i32 }
@.str = [16 x i8] c"encoded time = \00"
@.str.1 = [5 x i8] c"%02x\00"
define void @print_struct_time(%struct.time* %0) {
%2 = tail call i32* @encode_time(%struct.time* %0, i32 0)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* %2
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %4)
%6 = getelementptr inbounds i32, i32* %2, i64 1
%7 = load i32, i32* %6
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %7)
%9 = getelementptr inbounds i32, i32* %2, i64 2
%10 = load i32, i32* %9
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %10)
%12 = getelementptr inbounds i32, i32* %2, i64 3
%13 = load i32, i32* %12
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = getelementptr inbounds i32, i32* %2, i64 4
%16 = load i32, i32* %15
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %16)
%18 = getelementptr inbounds i32, i32* %2, i64 5
%19 = load i32, i32* %18
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %19)
%21 = getelementptr inbounds i32, i32* %2, i64 6
%22 = load i32, i32* %21
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %22)
%24 = getelementptr inbounds i32, i32* %2, i64 7
%25 = load i32, i32* %24
%26 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %25)
%27 = getelementptr inbounds i32, i32* %2, i64 8
%28 = load i32, i32* %27
%29 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %28)
%30 = getelementptr inbounds i32, i32* %2, i64 9
%31 = load i32, i32* %30
%32 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %31)
%33 = getelementptr inbounds i32, i32* %2, i64 10
%34 = load i32, i32* %33
%35 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %34)
%36 = getelementptr inbounds i32, i32* %2, i64 11
%37 = load i32, i32* %36
%38 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %37)
%39 = getelementptr inbounds i32, i32* %2, i64 12
%40 = load i32, i32* %39
%41 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %40)
%42 = getelementptr inbounds i32, i32* %2, i64 13
%43 = load i32, i32* %42
%44 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %43)
%45 = getelementptr inbounds i32, i32* %2, i64 14
%46 = load i32, i32* %45
%47 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %46)
%48 = getelementptr inbounds i32, i32* %2, i64 15
%49 = load i32, i32* %48
%50 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %49)
%51 = getelementptr inbounds i32, i32* %2, i64 16
%52 = load i32, i32* %51
%53 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %52)
%54 = getelementptr inbounds i32, i32* %2, i64 17
%55 = load i32, i32* %54
%56 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %55)
%57 = getelementptr inbounds i32, i32* %2, i64 18
%58 = load i32, i32* %57
%59 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %58)
%60 = getelementptr inbounds i32, i32* %2, i64 19
%61 = load i32, i32* %60
%62 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %61)
%63 = tail call i32 @putchar(i32 10)
ret void
}