#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 *, ...);
void farCel() {
  float cels = 0;
  printf("Farenheit-Celsius table\n");
  for (float fahr = 0; fahr <= 300; fahr += 20) {
    cels = (5.0 / 9.0) * (fahr - 32.0);
    printf("%3.0f\t%6.1f\n", fahr, cels);
  }
}


x86 assembly (clang, -O0):
<farCel>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
xorps  %xmm0,%xmm0
movss  %xmm0,-0x4(%rbp)
lea    0xef1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xorps  %xmm0,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  0xec2(%rip),%xmm0
ucomiss -0x8(%rbp),%xmm0
jb     11a9 <farCel+0x99>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm1
movsd  0xeb7(%rip),%xmm0
subsd  %xmm0,%xmm1
movsd  0xea3(%rip),%xmm0
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x4(%rbp)
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x4(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xea6(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
movss  0xe6a(%rip),%xmm0
addss  -0x8(%rbp),%xmm0
movss  %xmm0,-0x8(%rbp)
jmp    1136 <farCel+0x26>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<farCel>:
push   %rbx
lea    0xfd5(%rip),%rdi
call   1030 <puts@plt>
lea    0xfbc(%rip),%rbx
movsd  0xec4(%rip),%xmm1
xorps  %xmm0,%xmm0
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xeb7(%rip),%xmm0
movsd  0xeb7(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xead(%rip),%xmm0
movsd  0xead(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xea3(%rip),%xmm0
movsd  0xea3(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe99(%rip),%xmm0
movsd  0xe99(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe8f(%rip),%xmm0
movsd  0xe8f(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe85(%rip),%xmm0
movsd  0xe85(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe7b(%rip),%xmm0
mov    %rbx,%rdi
movsd  0xe30(%rip),%xmm1
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe69(%rip),%xmm0
movsd  0xe69(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe5f(%rip),%xmm0
movsd  0xe5f(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe55(%rip),%xmm0
movsd  0xe55(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe4b(%rip),%xmm0
movsd  0xe4b(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe41(%rip),%xmm0
movsd  0xe41(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe37(%rip),%xmm0
movsd  0xe37(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe2d(%rip),%xmm0
movsd  0xe2d(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe23(%rip),%xmm0
movsd  0xe23(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
pop    %rbx
jmp    1040 <printf@plt>

LLVM IR (-O0):
@.str = [25 x i8] c"Farenheit-Celsius table\0A\00"
@.str.1 = [13 x i8] c"%3.0f\09%6.1f\0A\00"
define void @farCel() {
%1 = alloca float
%2 = alloca float
store float 0.000000e+00, float* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
store float 0.000000e+00, float* %2
br label %4
4: ; preds = %18, %0
%5 = load float, float* %2
%6 = fcmp ole float %5, 3.000000e+02
br i1 %6, label %7, label %21
7: ; preds = %4
%8 = load float, float* %2
%9 = fpext float %8 to double
%10 = fsub double %9, 3.200000e+01
%11 = fmul double 0x3FE1C71C71C71C72, %10
%12 = fptrunc double %11 to float
store float %12, float* %1
%13 = load float, float* %2
%14 = fpext float %13 to double
%15 = load float, float* %1
%16 = fpext float %15 to double
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double %14, double %16)
br label %18
18: ; preds = %7
%19 = load float, float* %2
%20 = fadd float %19, 2.000000e+01
store float %20, float* %2
br label %4
21: ; preds = %4
ret void
}

LLVM IR (-O2):
@.str.1 = [13 x i8] c"%3.0f\09%6.1f\0A\00"
@str = [24 x i8] c"Farenheit-Celsius table\00"
define void @farCel() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 0.000000e+00, double 0xC031C71C80000000)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.000000e+01, double 0xC01AAAAAA0000000)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 4.000000e+01, double 0x4011C71C80000000)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 6.000000e+01, double 0x402F1C71C0000000)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 8.000000e+01, double 0x403AAAAAA0000000)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 1.000000e+02, double 0x4042E38E40000000)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 1.200000e+02, double 0x404871C720000000)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 1.400000e+02, double 6.000000e+01)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 1.600000e+02, double 0x4051C71C80000000)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 1.800000e+02, double 0x40548E38E0000000)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.000000e+02, double 0x4057555560000000)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.200000e+02, double 0x405A1C71C0000000)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.400000e+02, double 0x405CE38E40000000)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.600000e+02, double 0x405FAAAAA0000000)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 2.800000e+02, double 0x406138E380000000)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), double 3.000000e+02, double 0x40629C71C0000000)
ret void
}