int main(int argc, char *argv[]) {
  int numbers[4] = {0};
  char *name = "a";
  printf("numbers: %d %d %d %d\n", numbers[0], numbers[1], numbers[2],
         numbers[3]);
  printf("name each: %c %c %c %c\n", name[0], name[1], name[2], name[3]);
  printf("name: %s\n", name);
  numbers[0] = 1;
  numbers[1] = 2;
  numbers[2] = 3;
  numbers[3] = 4;
  name[0] = 'Z';
  name[1] = 'e';
  name[2] = 'd';
  name[3] = '\0';
  printf("numbers: %d %d %d %d\n", numbers[0], numbers[1], numbers[2],
         numbers[3]);
  printf("name each: %c %c %c %c\n", name[0], name[1], name[2], name[3]);
  printf("name: %s\n", name);
  char *another = "Zed";
  printf("another: %s\n", another);
  printf("another each: %c %c %c %c\n", another[0], another[1], another[2],
         another[3]);
  printf("size of name: %ld\n", sizeof(name));
  printf("size of int: %ld\n", sizeof(int));
  printf("name as 4 byte int: %d\n", name);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    -0x20(%rbp),%rdi
xor    %esi,%esi
mov    $0x10,%edx
call   1040 <memset@plt>
lea    0xeb3(%rip),%rax
mov    %rax,-0x28(%rbp)
mov    -0x20(%rbp),%esi
mov    -0x1c(%rbp),%edx
mov    -0x18(%rbp),%ecx
mov    -0x14(%rbp),%r8d
lea    0xe9d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rax
movsbl (%rax),%esi
mov    -0x28(%rbp),%rax
movsbl 0x1(%rax),%edx
mov    -0x28(%rbp),%rax
movsbl 0x2(%rax),%ecx
mov    -0x28(%rbp),%rax
movsbl 0x3(%rax),%r8d
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rsi
lea    0xe8b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x20(%rbp)
movl   $0x2,-0x1c(%rbp)
movl   $0x3,-0x18(%rbp)
movl   $0x4,-0x14(%rbp)
mov    -0x28(%rbp),%rax
movb   $0x5a,(%rax)
mov    -0x28(%rbp),%rax
movb   $0x65,0x1(%rax)
mov    -0x28(%rbp),%rax
movb   $0x64,0x2(%rax)
mov    -0x28(%rbp),%rax
movb   $0x0,0x3(%rax)
mov    -0x20(%rbp),%esi
mov    -0x1c(%rbp),%edx
mov    -0x18(%rbp),%ecx
mov    -0x14(%rbp),%r8d
lea    0xe07(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rax
movsbl (%rax),%esi
mov    -0x28(%rbp),%rax
movsbl 0x1(%rax),%edx
mov    -0x28(%rbp),%rax
movsbl 0x2(%rax),%ecx
mov    -0x28(%rbp),%rax
movsbl 0x3(%rax),%r8d
lea    0xdef(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rsi
lea    0xdf5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xdf1(%rip),%rax
mov    %rax,-0x30(%rbp)
mov    -0x30(%rbp),%rsi
lea    0xde6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x30(%rbp),%rax
movsbl (%rax),%esi
mov    -0x30(%rbp),%rax
movsbl 0x1(%rax),%edx
mov    -0x30(%rbp),%rax
movsbl 0x2(%rax),%ecx
mov    -0x30(%rbp),%rax
movsbl 0x3(%rax),%r8d
lea    0xdc5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xdd2(%rip),%rdi
mov    $0x8,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xdd2(%rip),%rdi
mov    $0x4,%esi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x28(%rbp),%rsi
lea    0xdcd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xee3(%rip),%r15
mov    %r15,%rdi
xor    %esi,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xedf(%rip),%r12
mov    %r12,%rdi
mov    $0x61,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeda(%rip),%rbx
lea    0xea3(%rip),%r14
mov    %rbx,%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r15,%rdi
mov    $0x1,%esi
mov    $0x2,%edx
mov    $0x3,%ecx
mov    $0x4,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r12,%rdi
mov    $0x61,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe8b(%rip),%rdi
lea    0xe80(%rip),%rsi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe83(%rip),%rdi
mov    $0x5a,%esi
mov    $0x65,%edx
mov    $0x64,%ecx
xor    %r8d,%r8d
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe7e(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe7e(%rip),%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xe7d(%rip),%rdi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"a\00"
@.str.1 = [22 x i8] c"numbers: %d %d %d %d\0A\00"
@.str.2 = [24 x i8] c"name each: %c %c %c %c\0A\00"
@.str.3 = [10 x i8] c"name: %s\0A\00"
@.str.4 = [4 x i8] c"Zed\00"
@.str.5 = [13 x i8] c"another: %s\0A\00"
@.str.6 = [27 x i8] c"another each: %c %c %c %c\0A\00"
@.str.7 = [19 x i8] c"size of name: %ld\0A\00"
@.str.8 = [18 x i8] c"size of int: %ld\0A\00"
@.str.9 = [24 x i8] c"name as 4 byte int: %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca [4 x i32]
%7 = alloca i8*
%8 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = bitcast [4 x i32]* %6 to i8*
store i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i8** %7
%10 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 0
%11 = load i32, i32* %10
%12 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 1
%13 = load i32, i32* %12
%14 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 2
%15 = load i32, i32* %14
%16 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 3
%17 = load i32, i32* %16
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %11, i32 %13, i32 %15, i32 %17)
%19 = load i8*, i8** %7
%20 = getelementptr inbounds i8, i8* %19, i64 0
%21 = load i8, i8* %20
%22 = sext i8 %21 to i32
%23 = load i8*, i8** %7
%24 = getelementptr inbounds i8, i8* %23, i64 1
%25 = load i8, i8* %24
%26 = sext i8 %25 to i32
%27 = load i8*, i8** %7
%28 = getelementptr inbounds i8, i8* %27, i64 2
%29 = load i8, i8* %28
%30 = sext i8 %29 to i32
%31 = load i8*, i8** %7
%32 = getelementptr inbounds i8, i8* %31, i64 3
%33 = load i8, i8* %32
%34 = sext i8 %33 to i32
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0), i32 %22, i32 %26, i32 %30, i32 %34)
%36 = load i8*, i8** %7
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8* %36)
%38 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 0
store i32 1, i32* %38
%39 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 1
store i32 2, i32* %39
%40 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 2
store i32 3, i32* %40
%41 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 3
store i32 4, i32* %41
%42 = load i8*, i8** %7
%43 = getelementptr inbounds i8, i8* %42, i64 0
store i8 90, i8* %43
%44 = load i8*, i8** %7
%45 = getelementptr inbounds i8, i8* %44, i64 1
store i8 101, i8* %45
%46 = load i8*, i8** %7
%47 = getelementptr inbounds i8, i8* %46, i64 2
store i8 100, i8* %47
%48 = load i8*, i8** %7
%49 = getelementptr inbounds i8, i8* %48, i64 3
store i8 0, i8* %49
%50 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 0
%51 = load i32, i32* %50
%52 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 1
%53 = load i32, i32* %52
%54 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 2
%55 = load i32, i32* %54
%56 = getelementptr inbounds [4 x i32], [4 x i32]* %6, i64 0, i64 3
%57 = load i32, i32* %56
%58 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %51, i32 %53, i32 %55, i32 %57)
%59 = load i8*, i8** %7
%60 = getelementptr inbounds i8, i8* %59, i64 0
%61 = load i8, i8* %60
%62 = sext i8 %61 to i32
%63 = load i8*, i8** %7
%64 = getelementptr inbounds i8, i8* %63, i64 1
%65 = load i8, i8* %64
%66 = sext i8 %65 to i32
%67 = load i8*, i8** %7
%68 = getelementptr inbounds i8, i8* %67, i64 2
%69 = load i8, i8* %68
%70 = sext i8 %69 to i32
%71 = load i8*, i8** %7
%72 = getelementptr inbounds i8, i8* %71, i64 3
%73 = load i8, i8* %72
%74 = sext i8 %73 to i32
%75 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0), i32 %62, i32 %66, i32 %70, i32 %74)
%76 = load i8*, i8** %7
%77 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8* %76)
store i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0), i8** %8
%78 = load i8*, i8** %8
%79 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i8* %78)
%80 = load i8*, i8** %8
%81 = getelementptr inbounds i8, i8* %80, i64 0
%82 = load i8, i8* %81
%83 = sext i8 %82 to i32
%84 = load i8*, i8** %8
%85 = getelementptr inbounds i8, i8* %84, i64 1
%86 = load i8, i8* %85
%87 = sext i8 %86 to i32
%88 = load i8*, i8** %8
%89 = getelementptr inbounds i8, i8* %88, i64 2
%90 = load i8, i8* %89
%91 = sext i8 %90 to i32
%92 = load i8*, i8** %8
%93 = getelementptr inbounds i8, i8* %92, i64 3
%94 = load i8, i8* %93
%95 = sext i8 %94 to i32
%96 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.6, i64 0, i64 0), i32 %83, i32 %87, i32 %91, i32 %95)
%97 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.7, i64 0, i64 0), i64 8)
%98 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.8, i64 0, i64 0), i64 4)
%99 = load i8*, i8** %7
%100 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.9, i64 0, i64 0), i8* %99)
ret i32 0
}

LLVM IR (-O2):
@.str = [2 x i8] c"a\00"
@.str.1 = [22 x i8] c"numbers: %d %d %d %d\0A\00"
@.str.2 = [24 x i8] c"name each: %c %c %c %c\0A\00"
@.str.3 = [10 x i8] c"name: %s\0A\00"
@.str.4 = [4 x i8] c"Zed\00"
@.str.5 = [13 x i8] c"another: %s\0A\00"
@.str.6 = [27 x i8] c"another each: %c %c %c %c\0A\00"
@.str.7 = [19 x i8] c"size of name: %ld\0A\00"
@.str.8 = [18 x i8] c"size of int: %ld\0A\00"
@.str.9 = [24 x i8] c"name as 4 byte int: %d\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 0, i32 0, i32 0, i32 0)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0), i32 97, i32 0, i32 0, i32 0)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 1, i32 2, i32 3, i32 4)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0), i32 97, i32 0, i32 0, i32 0)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.6, i64 0, i64 0), i32 90, i32 101, i32 100, i32 0)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.7, i64 0, i64 0), i64 8)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.8, i64 0, i64 0), i64 4)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
ret i32 0
}