#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 cels_to_fahr(int);
double fahr_to_cels(int);
int /*<<< orphan*/ printf(char *, ...);
int main() {
  int fahr;
  int celsius;
  printf("Converting fahr to celsius:\n");
  for (fahr = 0; fahr <= 300; fahr = fahr + 20)
    printf("%3d %6.1f\n", fahr, fahr_to_cels(fahr));
  printf("\nConverting celsius to fahr:\n");
  for (celsius = 0; celsius <= 300; celsius = celsius + 20)
    printf("%3d %6.1f\n", celsius, cels_to_fahr(celsius));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x12c,-0x8(%rbp)
jg     118e <main+0x5e>
mov    -0x8(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
call   1030 <fahr_to_cels@plt>
mov    -0x10(%rbp),%esi
lea    0xea4(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x14,%eax
mov    %eax,-0x8(%rbp)
jmp    1154 <main+0x24>
lea    0xe93(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x0,-0xc(%rbp)
cmpl   $0x12c,-0xc(%rbp)
jg     11dd <main+0xad>
mov    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0xc(%rbp),%edi
call   1050 <cels_to_fahr@plt>
mov    -0x14(%rbp),%esi
lea    0xe55(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x14,%eax
mov    %eax,-0xc(%rbp)
jmp    11a3 <main+0x73>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xec3(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <fahr_to_cels@plt>
lea    0xea5(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x14,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x14,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x28,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x28,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x3c,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x3c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x50,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x50,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x64,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x64,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x78,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x78,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x8c,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x8c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa0,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0xa0,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xb4,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0xb4,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xc8,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0xc8,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xdc,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0xdc,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xf0,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0xf0,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x104,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x104,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x118,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x118,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x12c,%edi
call   1040 <fahr_to_cels@plt>
mov    %rbx,%rdi
mov    $0x12c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
lea    0xd42(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x14,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x14,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x28,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x28,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x3c,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x3c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x50,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x50,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x64,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x64,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x78,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x78,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x8c,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x8c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xa0,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0xa0,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xb4,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0xb4,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xc8,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0xc8,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xdc,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0xdc,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0xf0,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0xf0,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x104,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x104,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x118,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x118,%esi
mov    $0x1,%al
call   1050 <printf@plt>
mov    $0x12c,%edi
call   1060 <cels_to_fahr@plt>
mov    %rbx,%rdi
mov    $0x12c,%esi
mov    $0x1,%al
call   1050 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [29 x i8] c"Converting fahr to celsius:\0A\00"
@.str.1 = [11 x i8] c"%3d %6.1f\0A\00"
@.str.2 = [30 x i8] c"\0AConverting celsius to fahr:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %5
5: ; preds = %13, %0
%6 = load i32, i32* %2
%7 = icmp sle i32 %6, 300
br i1 %7, label %8, label %16
8: ; preds = %5
%9 = load i32, i32* %2
%10 = load i32, i32* %2
%11 = call double @fahr_to_cels(i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 %9, double %11)
br label %13
13: ; preds = %8
%14 = load i32, i32* %2
%15 = add nsw i32 %14, 20
store i32 %15, i32* %2
br label %5
16: ; preds = %5
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.2, i64 0, i64 0))
store i32 0, i32* %3
br label %18
18: ; preds = %26, %16
%19 = load i32, i32* %3
%20 = icmp sle i32 %19, 300
br i1 %20, label %21, label %29
21: ; preds = %18
%22 = load i32, i32* %3
%23 = load i32, i32* %3
%24 = call double @cels_to_fahr(i32 %23)
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 %22, double %24)
br label %26
26: ; preds = %21
%27 = load i32, i32* %3
%28 = add nsw i32 %27, 20
store i32 %28, i32* %3
br label %18
29: ; preds = %18
%30 = load i32, i32* %1
ret i32 %30
}

LLVM IR (-O2):
@.str.1 = [11 x i8] c"%3d %6.1f\0A\00"
@str = [28 x i8] c"Converting fahr to celsius:\00"
@str.3 = [29 x i8] c"\0AConverting celsius to fahr:\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%2 = tail call double @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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 @fahr_to_cels(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)
%18 = tail call double @fahr_to_cels(i32 160)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 160, double %18)
%20 = tail call double @fahr_to_cels(i32 180)
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 180, double %20)
%22 = tail call double @fahr_to_cels(i32 200)
%23 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 200, double %22)
%24 = tail call double @fahr_to_cels(i32 220)
%25 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 220, double %24)
%26 = tail call double @fahr_to_cels(i32 240)
%27 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 240, double %26)
%28 = tail call double @fahr_to_cels(i32 260)
%29 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 260, double %28)
%30 = tail call double @fahr_to_cels(i32 280)
%31 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 280, double %30)
%32 = tail call double @fahr_to_cels(i32 300)
%33 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 300, double %32)
%34 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.3, i64 0, i64 0))
%35 = tail call double @cels_to_fahr(i32 0)
%36 = 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 %35)
%37 = tail call double @cels_to_fahr(i32 20)
%38 = 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 %37)
%39 = tail call double @cels_to_fahr(i32 40)
%40 = 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 %39)
%41 = tail call double @cels_to_fahr(i32 60)
%42 = 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 %41)
%43 = tail call double @cels_to_fahr(i32 80)
%44 = 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 %43)
%45 = tail call double @cels_to_fahr(i32 100)
%46 = 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 %45)
%47 = tail call double @cels_to_fahr(i32 120)
%48 = 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 %47)
%49 = tail call double @cels_to_fahr(i32 140)
%50 = 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 %49)
%51 = tail call double @cels_to_fahr(i32 160)
%52 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 160, double %51)
%53 = tail call double @cels_to_fahr(i32 180)
%54 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 180, double %53)
%55 = tail call double @cels_to_fahr(i32 200)
%56 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 200, double %55)
%57 = tail call double @cels_to_fahr(i32 220)
%58 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 220, double %57)
%59 = tail call double @cels_to_fahr(i32 240)
%60 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 240, double %59)
%61 = tail call double @cels_to_fahr(i32 260)
%62 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 260, double %61)
%63 = tail call double @cels_to_fahr(i32 280)
%64 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 280, double %63)
%65 = tail call double @cels_to_fahr(i32 300)
%66 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i32 300, double %65)
ret i32 0
}