#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*/ printf(char *, int, char);
int main(void) {
  for (int i = 65; i < 65 + 26; i++) {
    printf("%i is %c\n", i, (char)i);
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x41,-0x8(%rbp)
cmpl   $0x5b,-0x8(%rbp)
jge    1153 <main+0x43>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%eax
lea    0xec3(%rip),%rdi
movsbl %al,%edx
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1126 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x41,%esi
mov    $0x41,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x42,%esi
mov    $0x42,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x43,%esi
mov    $0x43,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x44,%esi
mov    $0x44,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x45,%esi
mov    $0x45,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x46,%esi
mov    $0x46,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x47,%esi
mov    $0x47,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x48,%esi
mov    $0x48,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x49,%esi
mov    $0x49,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4a,%esi
mov    $0x4a,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4b,%esi
mov    $0x4b,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4c,%esi
mov    $0x4c,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4d,%esi
mov    $0x4d,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4e,%esi
mov    $0x4e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4f,%esi
mov    $0x4f,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x50,%esi
mov    $0x50,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x51,%esi
mov    $0x51,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x52,%esi
mov    $0x52,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x53,%esi
mov    $0x53,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x54,%esi
mov    $0x54,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x55,%esi
mov    $0x55,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x56,%esi
mov    $0x56,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x57,%esi
mov    $0x57,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x58,%esi
mov    $0x58,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x59,%esi
mov    $0x59,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5a,%esi
mov    $0x5a,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [10 x i8] c"%i is %c\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 65, i32* %2
br label %3
3: ; preds = %11, %0
%4 = load i32, i32* %2
%5 = icmp slt i32 %4, 91
br i1 %5, label %6, label %14
6: ; preds = %3
%7 = load i32, i32* %2
%8 = load i32, i32* %2
%9 = trunc i32 %8 to i8
%10 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %7, i8 signext %9)
br label %11
11: ; preds = %6
%12 = load i32, i32* %2
%13 = add nsw i32 %12, 1
store i32 %13, i32* %2
br label %3
14: ; preds = %3
%15 = load i32, i32* %1
ret i32 %15
}

LLVM IR (-O2):
@.str = [10 x i8] c"%i is %c\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 65, i8 signext 65)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 66, i8 signext 66)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 67, i8 signext 67)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 68, i8 signext 68)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 69, i8 signext 69)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 70, i8 signext 70)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 71, i8 signext 71)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 72, i8 signext 72)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 73, i8 signext 73)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 74, i8 signext 74)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 75, i8 signext 75)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 76, i8 signext 76)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 77, i8 signext 77)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 78, i8 signext 78)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 79, i8 signext 79)
%16 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 80, i8 signext 80)
%17 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 81, i8 signext 81)
%18 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 82, i8 signext 82)
%19 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 83, i8 signext 83)
%20 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 84, i8 signext 84)
%21 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 85, i8 signext 85)
%22 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 86, i8 signext 86)
%23 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 87, i8 signext 87)
%24 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 88, i8 signext 88)
%25 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 89, i8 signext 89)
%26 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 90, i8 signext 90)
ret i32 0
}