#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*/ snprintf(char *, int, char *, int /*<<< orphan*/);
void clear_keys(char keys[8][3]) {
  int i;
  for (i = 0; i < 7; i++) {
    snprintf(keys[i], 3, "%c", 0);
  }
}


x86 assembly (clang, -O0):
<clear_keys>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x7,-0xc(%rbp)
jge    115d <clear_keys+0x4d>
mov    -0x8(%rbp),%rdi
movslq -0xc(%rbp),%rax
imul   $0x3,%rax,%rax
add    %rax,%rdi
mov    $0x3,%esi
lea    0xeb8(%rip),%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <clear_keys+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<clear_keys>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee2(%rip),%r14
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
lea    0x3(%rbx),%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
lea    0x6(%rbx),%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
lea    0x9(%rbx),%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
lea    0xc(%rbx),%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
lea    0xf(%rbx),%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
call   1030 <snprintf@plt>
add    $0x12,%rbx
mov    %rbx,%rdi
mov    $0x3,%esi
mov    %r14,%rdx
xor    %ecx,%ecx
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <snprintf@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"%c\00"
define void @clear_keys([3 x i8]* %0) {
%2 = alloca [3 x i8]*
%3 = alloca i32
store [3 x i8]* %0, [3 x i8]** %2
store i32 0, i32* %3
br label %4
4: ; preds = %14, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 7
br i1 %6, label %7, label %17
7: ; preds = %4
%8 = load [3 x i8]*, [3 x i8]** %2
%9 = load i32, i32* %3
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds [3 x i8], [3 x i8]* %8, i64 %10
%12 = getelementptr inbounds [3 x i8], [3 x i8]* %11, i64 0, i64 0
%13 = call i32 @snprintf(i8* %12, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
br label %14
14: ; preds = %7
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
store i32 %16, i32* %3
br label %4
17: ; preds = %4
ret void
}

LLVM IR (-O2):
@.str = [3 x i8] c"%c\00"
define void @clear_keys([3 x i8]* %0) {
%2 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 0, i64 0
%3 = tail call i32 @snprintf(i8* %2, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%4 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 1, i64 0
%5 = tail call i32 @snprintf(i8* %4, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%6 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 2, i64 0
%7 = tail call i32 @snprintf(i8* %6, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%8 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 3, i64 0
%9 = tail call i32 @snprintf(i8* %8, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%10 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 4, i64 0
%11 = tail call i32 @snprintf(i8* %10, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%12 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 5, i64 0
%13 = tail call i32 @snprintf(i8* %12, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
%14 = getelementptr inbounds [3 x i8], [3 x i8]* %0, i64 6, i64 0
%15 = tail call i32 @snprintf(i8* %14, i32 3, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 0)
ret void
}