#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*/ printf(char *, char *, unsigned char const);
void printobjhex(const char *obj, int size) {
  int i;
  for (i = 0; i < size; i++) {
    printf("%s%02X", i > 0 ? " " : "", ((const unsigned char *)obj)[i]);
  }
}


x86 assembly (clang, -O0):
<printobjhex>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1170 <printobjhex+0x60>
mov    -0x10(%rbp),%ecx
lea    0xecc(%rip),%rsi
lea    0xec4(%rip),%rax
cmp    $0x0,%ecx
cmovg  %rax,%rsi
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
lea    0xea7(%rip),%rdi
movzbl (%rax,%rcx,1),%edx
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1126 <printobjhex+0x16>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printobjhex>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %esi,%esi
jle    1160 <printobjhex+0x50>
mov    %rdi,%r15
mov    %esi,%r12d
xor    %ebx,%ebx
lea    0xeda(%rip),%r13
lea    0xed2(%rip),%rbp
lea    0xec4(%rip),%r14
nopl   0x0(%rax)
test   %rbx,%rbx
mov    %rbp,%rsi
cmove  %r13,%rsi
movzbl (%r15,%rbx,1),%edx
mov    %r14,%rdi
call   1030 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1140 <printobjhex+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [7 x i8] c"%s%02X\00"
@.str.1 = [2 x i8] c" \00"
@.str.2 = [1 x i8] zeroinitializer
define void @printobjhex(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32
store i8* %0, i8** %3
store i32 %1, i32* %4
store i32 0, i32* %5
br label %6
6: ; preds = %21, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %24
10: ; preds = %6
%11 = load i32, i32* %5
%12 = icmp sgt i32 %11, 0
%13 = zext i1 %12 to i64
%14 = select i1 %12, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0)
%15 = load i8*, i8** %3
%16 = load i32, i32* %5
%17 = sext i32 %16 to i64
%18 = getelementptr inbounds i8, i8* %15, i64 %17
%19 = load i8, i8* %18
%20 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8* %14, i8 zeroext %19)
br label %21
21: ; preds = %10
%22 = load i32, i32* %5
%23 = add nsw i32 %22, 1
store i32 %23, i32* %5
br label %6
24: ; preds = %6
ret void
}

LLVM IR (-O2):
@.str = [7 x i8] c"%s%02X\00"
@.str.1 = [2 x i8] c" \00"
@.str.2 = [1 x i8] zeroinitializer
define void @printobjhex(i8* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %15
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %6
%7 = phi i64 [ 0, %4 ], [ %13, %6 ]
%8 = icmp eq i64 %7, 0
%9 = select i1 %8, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0)
%10 = getelementptr inbounds i8, i8* %0, i64 %7
%11 = load i8, i8* %10
%12 = tail call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8* %9, i8 zeroext %11)
%13 = add nuw nsw i64 %7, 1
%14 = icmp eq i64 %13, %5
br i1 %14, label %15, label %6
15: ; preds = %6, %2
ret void
}