#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*/ fprintf(int /*<<< orphan*/, char *, int, int);
int /*<<< orphan*/ stderr;
void dump_hex(unsigned char *data, int len) {
  int i;
  for (i = 0; i < len; i++) {
    fprintf(stderr, "%d:0x%02x ", i, (int)data[i]);
  }
}


x86 assembly (clang, -O0):
<dump_hex>:
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    1164 <dump_hex+0x54>
mov    0x2ea7(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%edx
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movzbl (%rax,%rcx,1),%ecx
lea    0xeaf(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1126 <dump_hex+0x16>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dump_hex>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
test   %esi,%esi
jle    115c <dump_hex+0x4c>
mov    %rdi,%r14
mov    %esi,%r12d
xor    %ebx,%ebx
mov    0x2eb4(%rip),%r13
lea    0xecd(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    0x0(%r13),%edi
movzbl (%r14,%rbx,1),%ecx
mov    %r15,%rsi
mov    %ebx,%edx
call   1030 <fprintf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1140 <dump_hex+0x30>
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
@stderr = global i32 0
@.str = [11 x i8] c"%d:0x%02x \00"
define void @dump_hex(i8* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %16
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %6
%7 = phi i64 [ 0, %4 ], [ %14, %6 ]
%8 = load i32, i32* @stderr
%9 = getelementptr inbounds i8, i8* %0, i64 %7
%10 = load i8, i8* %9
%11 = zext i8 %10 to i32
%12 = trunc i64 %7 to i32
%13 = tail call i32 @fprintf(i32 %8, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %12, i32 %11)
%14 = add nuw nsw i64 %7, 1
%15 = icmp eq i64 %14, %5
br i1 %15, label %16, label %6
16: ; preds = %6, %2
ret void
}