#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, double);
int main(int argc, const char *argv[]) {
  int fahr;
  for (fahr = 0; fahr <= 300; fahr += 20) {
    printf("%3d %8.2f\n", fahr, (5.0 / 9.0) * (fahr - 32));
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0x12c,-0x14(%rbp)
jg     116d <main+0x5d>
mov    -0x14(%rbp),%esi
mov    -0x14(%rbp),%eax
sub    $0x20,%eax
cvtsi2sd %eax,%xmm1
movsd  0xeb1(%rip),%xmm0
mulsd  %xmm1,%xmm0
lea    0xeae(%rip),%rdi
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x14,%eax
mov    %eax,-0x14(%rbp)
jmp    112d <main+0x1d>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xf68(%rip),%rbx
movsd  0xee0(%rip),%xmm0
mov    %rbx,%rdi
xor    %esi,%esi
call   1030 <printf@plt>
movsd  0xed6(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x14,%esi
call   1030 <printf@plt>
movsd  0xec9(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x28,%esi
call   1030 <printf@plt>
movsd  0xebc(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x3c,%esi
call   1030 <printf@plt>
movsd  0xeaf(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x50,%esi
call   1030 <printf@plt>
movsd  0xea2(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x64,%esi
call   1030 <printf@plt>
movsd  0xe95(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x78,%esi
call   1030 <printf@plt>
movsd  0xe88(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x8c,%esi
call   1030 <printf@plt>
movsd  0xe7b(%rip),%xmm0
mov    %rbx,%rdi
mov    $0xa0,%esi
call   1030 <printf@plt>
movsd  0xe6e(%rip),%xmm0
mov    %rbx,%rdi
mov    $0xb4,%esi
call   1030 <printf@plt>
movsd  0xe61(%rip),%xmm0
mov    %rbx,%rdi
mov    $0xc8,%esi
call   1030 <printf@plt>
movsd  0xe54(%rip),%xmm0
mov    %rbx,%rdi
mov    $0xdc,%esi
call   1030 <printf@plt>
movsd  0xe47(%rip),%xmm0
mov    %rbx,%rdi
mov    $0xf0,%esi
call   1030 <printf@plt>
movsd  0xe3a(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x104,%esi
call   1030 <printf@plt>
movsd  0xe2d(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x118,%esi
call   1030 <printf@plt>
movsd  0xe20(%rip),%xmm0
mov    %rbx,%rdi
mov    $0x12c,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [11 x i8] c"%3d %8.2f\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %6
br label %7
7: ; preds = %17, %2
%8 = load i32, i32* %6
%9 = icmp sle i32 %8, 300
br i1 %9, label %10, label %20
10: ; preds = %7
%11 = load i32, i32* %6
%12 = load i32, i32* %6
%13 = sub nsw i32 %12, 32
%14 = sitofp i32 %13 to double
%15 = fmul double 0x3FE1C71C71C71C72, %14
%16 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %11, double %15)
br label %17
17: ; preds = %10
%18 = load i32, i32* %6
%19 = add nsw i32 %18, 20
store i32 %19, i32* %6
br label %7
20: ; preds = %7
%21 = load i32, i32* %3
ret i32 %21
}

LLVM IR (-O2):
@.str = [11 x i8] c"%3d %8.2f\0A\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 0, double 0xC031C71C71C71C72)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 20, double 0xC01AAAAAAAAAAAAB)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 40, double 0x4011C71C71C71C72)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 60, double 0x402F1C71C71C71C8)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 80, double 0x403AAAAAAAAAAAAB)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 100, double 0x4042E38E38E38E39)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 120, double 0x404871C71C71C71D)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 140, double 6.000000e+01)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 160, double 0x4051C71C71C71C72)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 180, double 0x40548E38E38E38E4)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 200, double 0x4057555555555556)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 220, double 0x405A1C71C71C71C7)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 240, double 0x405CE38E38E38E39)
%16 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 260, double 0x405FAAAAAAAAAAAB)
%17 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 280, double 0x406138E38E38E38E)
%18 = tail call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 300, double 0x40629C71C71C71C7)
ret i32 0
}