int main() {
  int vet[7] = {0};
  for (int i = 0; i < 7; i++)
    printf("%d ", vet[i]);
  printf("\n\n");
  printf("%d\n\n", vet);
  for (int i = 0; i < 7; i++)
    printf("%d ", (vet + i));
  printf("\n\n");
  vet[5] = 1024;
  for (int i = 0; i < 7; i++)
    printf("%d ", vet[i]);
  getchar();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x20(%rbp),%rdi
xor    %esi,%esi
mov    $0x1c,%edx
call   1040 <memset@plt>
movl   $0x0,-0x24(%rbp)
cmpl   $0x7,-0x24(%rbp)
jge    1184 <main+0x54>
movslq -0x24(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe91(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    1156 <main+0x26>
lea    0xe7b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x20(%rbp),%rsi
lea    0xe67(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x28(%rbp)
cmpl   $0x7,-0x28(%rbp)
jge    11e0 <main+0xb0>
lea    -0x20(%rbp),%rsi
movslq -0x28(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe35(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x28(%rbp)
jmp    11ab <main+0x7b>
lea    0xe1f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x400,-0xc(%rbp)
movl   $0x0,-0x2c(%rbp)
cmpl   $0x7,-0x2c(%rbp)
jge    122a <main+0xfa>
movslq -0x2c(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xdeb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    11fc <main+0xcc>
mov    $0x0,%al
call   1050 <getchar@plt>
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
xorps  %xmm0,%xmm0
movups %xmm0,0xc(%rsp)
movaps %xmm0,(%rsp)
lea    0xeaf(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x10(%rsp),%r13
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x14(%rsp),%rbp
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x18(%rsp),%r14
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe4c(%rip),%r15
mov    %r15,%rdi
call   1030 <puts@plt>
lea    0xe3a(%rip),%rdi
mov    %rsp,%r12
mov    %r12,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r12,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
lea    0x4(%rsp),%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
lea    0x8(%rsp),%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
lea    0xc(%rsp),%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r13,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %rbp,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
call   1030 <puts@plt>
movl   $0x400,0x14(%rsp)
mov    (%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x10(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x14(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x18(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d \00"
@.str.1 = [3 x i8] c"\0A\0A\00"
@.str.2 = [5 x i8] c"%d\0A\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [7 x i32]
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
%6 = bitcast [7 x i32]* %2 to i8*
store i32 0, i32* %3
br label %7
7: ; preds = %16, %0
%8 = load i32, i32* %3
%9 = icmp slt i32 %8, 7
br i1 %9, label %10, label %19
10: ; preds = %7
%11 = load i32, i32* %3
%12 = sext i32 %11 to i64
%13 = getelementptr inbounds [7 x i32], [7 x i32]* %2, i64 0, i64 %12
%14 = load i32, i32* %13
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
br label %16
16: ; preds = %10
%17 = load i32, i32* %3
%18 = add nsw i32 %17, 1
store i32 %18, i32* %3
br label %7
19: ; preds = %7
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%21 = getelementptr inbounds [7 x i32], [7 x i32]* %2, i64 0, i64 0
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32* %21)
store i32 0, i32* %4
br label %23
23: ; preds = %32, %19
%24 = load i32, i32* %4
%25 = icmp slt i32 %24, 7
br i1 %25, label %26, label %35
26: ; preds = %23
%27 = getelementptr inbounds [7 x i32], [7 x i32]* %2, i64 0, i64 0
%28 = load i32, i32* %4
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds i32, i32* %27, i64 %29
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %30)
br label %32
32: ; preds = %26
%33 = load i32, i32* %4
%34 = add nsw i32 %33, 1
store i32 %34, i32* %4
br label %23
35: ; preds = %23
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%37 = getelementptr inbounds [7 x i32], [7 x i32]* %2, i64 0, i64 5
store i32 1024, i32* %37
store i32 0, i32* %5
br label %38
38: ; preds = %47, %35
%39 = load i32, i32* %5
%40 = icmp slt i32 %39, 7
br i1 %40, label %41, label %50
41: ; preds = %38
%42 = load i32, i32* %5
%43 = sext i32 %42 to i64
%44 = getelementptr inbounds [7 x i32], [7 x i32]* %2, i64 0, i64 %43
%45 = load i32, i32* %44
%46 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %45)
br label %47
47: ; preds = %41
%48 = load i32, i32* %5
%49 = add nsw i32 %48, 1
store i32 %49, i32* %5
br label %38
50: ; preds = %38
%51 = call i32 (...) @getchar()
%52 = load i32, i32* %1
ret i32 %52
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d \00"
@.str.2 = [5 x i8] c"%d\0A\0A\00"
@str.3 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca [7 x i32]
%2 = bitcast [7 x i32]* %1 to i8*
%3 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 0
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%5 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 1
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%7 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 2
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%9 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 3
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%11 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 4
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%13 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 5
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%15 = getelementptr inbounds [7 x i32], [7 x i32]* %1, i64 0, i64 6
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%17 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.3, i64 0, i64 0))
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %3)
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %5)
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %7)
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %9)
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %11)
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %13)
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32* %15)
%26 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.3, i64 0, i64 0))
store i32 1024, i32* %13
%27 = load i32, i32* %3
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %27)
%29 = load i32, i32* %5
%30 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %29)
%31 = load i32, i32* %7
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %31)
%33 = load i32, i32* %9
%34 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %33)
%35 = load i32, i32* %11
%36 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %35)
%37 = load i32, i32* %13
%38 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %37)
%39 = load i32, i32* %15
%40 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %39)
%41 = call i32 (...) @getchar()
ret i32 0
}