#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*/ assert(int);
int main() {
  char *foo = "foobar";
  assert(foo[0] == 102);
  assert(foo[1] == 111);
  assert(foo[2] == 111);
  assert(foo[3] == 98);
  assert(foo[4] == 97);
  assert(foo[5] == 114);
  assert(foo[6] == 0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
movsbl (%rax),%eax
cmp    $0x66,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x1(%rax),%eax
cmp    $0x6f,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x2(%rax),%eax
cmp    $0x6f,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x3(%rax),%eax
cmp    $0x62,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x4(%rax),%eax
cmp    $0x61,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x5(%rax),%eax
cmp    $0x72,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
mov    -0x10(%rbp),%rax
movsbl 0x6(%rax),%eax
cmp    $0x0,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1030 <assert@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
mov    $0x1,%edi
call   1030 <assert@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [7 x i8] c"foobar\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
store i32 0, i32* %1
store i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i8** %2
%3 = load i8*, i8** %2
%4 = getelementptr inbounds i8, i8* %3, i64 0
%5 = load i8, i8* %4
%6 = sext i8 %5 to i32
%7 = icmp eq i32 %6, 102
%8 = zext i1 %7 to i32
%9 = call i32 @assert(i32 %8)
%10 = load i8*, i8** %2
%11 = getelementptr inbounds i8, i8* %10, i64 1
%12 = load i8, i8* %11
%13 = sext i8 %12 to i32
%14 = icmp eq i32 %13, 111
%15 = zext i1 %14 to i32
%16 = call i32 @assert(i32 %15)
%17 = load i8*, i8** %2
%18 = getelementptr inbounds i8, i8* %17, i64 2
%19 = load i8, i8* %18
%20 = sext i8 %19 to i32
%21 = icmp eq i32 %20, 111
%22 = zext i1 %21 to i32
%23 = call i32 @assert(i32 %22)
%24 = load i8*, i8** %2
%25 = getelementptr inbounds i8, i8* %24, i64 3
%26 = load i8, i8* %25
%27 = sext i8 %26 to i32
%28 = icmp eq i32 %27, 98
%29 = zext i1 %28 to i32
%30 = call i32 @assert(i32 %29)
%31 = load i8*, i8** %2
%32 = getelementptr inbounds i8, i8* %31, i64 4
%33 = load i8, i8* %32
%34 = sext i8 %33 to i32
%35 = icmp eq i32 %34, 97
%36 = zext i1 %35 to i32
%37 = call i32 @assert(i32 %36)
%38 = load i8*, i8** %2
%39 = getelementptr inbounds i8, i8* %38, i64 5
%40 = load i8, i8* %39
%41 = sext i8 %40 to i32
%42 = icmp eq i32 %41, 114
%43 = zext i1 %42 to i32
%44 = call i32 @assert(i32 %43)
%45 = load i8*, i8** %2
%46 = getelementptr inbounds i8, i8* %45, i64 6
%47 = load i8, i8* %46
%48 = sext i8 %47 to i32
%49 = icmp eq i32 %48, 0
%50 = zext i1 %49 to i32
%51 = call i32 @assert(i32 %50)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i32 @assert(i32 1)
%2 = tail call i32 @assert(i32 1)
%3 = tail call i32 @assert(i32 1)
%4 = tail call i32 @assert(i32 1)
%5 = tail call i32 @assert(i32 1)
%6 = tail call i32 @assert(i32 1)
%7 = tail call i32 @assert(i32 1)
ret i32 0
}