#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 */
double fahrToC(int);
int /*<<< orphan*/ printf(char *, ...);
int main() {
  int fahr;
  printf("Fahr\tCelcius\n");
  for (fahr = 0; fahr <= 150; fahr += 20)
    printf("%3d\t%6.1f\n", fahr, fahrToC(fahr));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x96,-0x8(%rbp)
jg     117e <main+0x5e>
mov    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%edi
call   1040 <fahrToC@plt>
mov    -0xc(%rbp),%esi
lea    0xea5(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x14,%eax
mov    %eax,-0x8(%rbp)
jmp    1144 <main+0x24>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1050 <fahrToC@plt>
lea    0xeb5(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x14,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x14,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x28,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x28,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x3c,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x3c,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x50,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x50,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x64,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x64,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x78,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x78,%esi
mov    $0x1,%al
call   1040 <printf@plt>
mov    $0x8c,%edi
call   1050 <fahrToC@plt>
mov    %rbx,%rdi
mov    $0x8c,%esi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [14 x i8] c"Fahr\09Celcius\0A\00"
@.str.1 = [11 x i8] c"%3d\09%6.1f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %4
4: ; preds = %12, %0
%5 = load i32, i32* %2
%6 = icmp sle i32 %5, 150
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i32, i32* %2
%9 = load i32, i32* %2
%10 = call double @fahrToC(i32 %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 %8, double %10)
br label %12
12: ; preds = %7
%13 = load i32, i32* %2
%14 = add nsw i32 %13, 20
store i32 %14, i32* %2
br label %4
15: ; preds = %4
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [11 x i8] c"%3d\09%6.1f\0A\00"
@str = [13 x i8] c"Fahr\09Celcius\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str, i64 0, i64 0))
%2 = tail call double @fahrToC(i32 0)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 0, double %2)
%4 = tail call double @fahrToC(i32 20)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 20, double %4)
%6 = tail call double @fahrToC(i32 40)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 40, double %6)
%8 = tail call double @fahrToC(i32 60)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 60, double %8)
%10 = tail call double @fahrToC(i32 80)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 80, double %10)
%12 = tail call double @fahrToC(i32 100)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 100, double %12)
%14 = tail call double @fahrToC(i32 120)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 120, double %14)
%16 = tail call double @fahrToC(i32 140)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 140, double %16)
ret i32 0
}