#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 main() {
  const double SCALE = 0.333;
  double shoe, foot;
  printf("Shoe size (men's)    foot length\n");
  shoe = 3.0;
  while (shoe < 18.5) {
    foot = SCALE * shoe + 7.31;
    printf("%10.1f %15.2f inches\n", shoe, foot);
    shoe = shoe + 1.0;
  }
  printf("If the shoe fits, wear it.\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movsd  0xee1(%rip),%xmm0
movsd  %xmm0,-0x10(%rbp)
lea    0xef5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movsd  0xebe(%rip),%xmm0
movsd  %xmm0,-0x18(%rbp)
movsd  0xec1(%rip),%xmm0
ucomisd -0x18(%rbp),%xmm0
jbe    11ab <main+0x9b>
movsd  -0x18(%rbp),%xmm0
movsd  0xea1(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xead(%rip),%xmm1
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  -0x18(%rbp),%xmm0
movsd  -0x20(%rbp),%xmm1
lea    0xebd(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
movsd  0xe7c(%rip),%xmm0
addsd  -0x18(%rbp),%xmm0
movsd  %xmm0,-0x18(%rbp)
jmp    1147 <main+0x37>
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xfee(%rip),%rdi
call   1030 <puts@plt>
lea    0xfcc(%rip),%rbx
movsd  0xec4(%rip),%xmm0
movsd  0xec4(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xeba(%rip),%xmm0
movsd  0xeba(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xeb0(%rip),%xmm0
movsd  0xeb0(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xea6(%rip),%xmm0
movsd  0xea6(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe9c(%rip),%xmm0
movsd  0xe9c(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe92(%rip),%xmm0
movsd  0xe92(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe88(%rip),%xmm0
movsd  0xe88(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe7e(%rip),%xmm0
movsd  0xe7e(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe74(%rip),%xmm0
movsd  0xe74(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe6a(%rip),%xmm0
movsd  0xe6a(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe60(%rip),%xmm0
movsd  0xe60(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe56(%rip),%xmm0
movsd  0xe56(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe4c(%rip),%xmm0
movsd  0xe4c(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe42(%rip),%xmm0
movsd  0xe42(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe38(%rip),%xmm0
movsd  0xe38(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
movsd  0xe2e(%rip),%xmm0
movsd  0xe2e(%rip),%xmm1
mov    %rbx,%rdi
mov    $0x2,%al
call   1040 <printf@plt>
lea    0xe5c(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [34 x i8] c"Shoe size (men's) foot length\0A\00"
@.str.1 = [22 x i8] c"%10.1f %15.2f inches\0A\00"
@.str.2 = [28 x i8] c"If the shoe fits, wear it.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca double
%3 = alloca double
%4 = alloca double
store i32 0, i32* %1
store double 3.330000e-01, double* %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0))
store double 3.000000e+00, double* %3
br label %6
6: ; preds = %9, %0
%7 = load double, double* %3
%8 = fcmp olt double %7, 1.850000e+01
br i1 %8, label %9, label %17
9: ; preds = %6
%10 = load double, double* %3
%11 = call double @llvm.fmuladd.f64(double 3.330000e-01, double %10, double 7.310000e+00)
store double %11, double* %4
%12 = load double, double* %3
%13 = load double, double* %4
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double %12, double %13)
%15 = load double, double* %3
%16 = fadd double %15, 1.000000e+00
store double %16, double* %3
br label %6
17: ; preds = %6
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [22 x i8] c"%10.1f %15.2f inches\0A\00"
@str = [33 x i8] c"Shoe size (men's) foot length\00"
@str.3 = [27 x i8] c"If the shoe fits, wear it.\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 3.000000e+00, double 8.309000e+00)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 4.000000e+00, double 0x402148B439581062)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 5.000000e+00, double 8.975000e+00)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 6.000000e+00, double 0x40229DB22D0E5604)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 7.000000e+00, double 9.641000e+00)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 8.000000e+00, double 9.974000e+00)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 9.000000e+00, double 1.030700e+01)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.000000e+01, double 1.064000e+01)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.100000e+01, double 0x4025F22D0E560418)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.200000e+01, double 1.130600e+01)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.300000e+01, double 1.163900e+01)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.400000e+01, double 1.197200e+01)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.500000e+01, double 1.230500e+01)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.600000e+01, double 1.263800e+01)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.700000e+01, double 1.297100e+01)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), double 1.800000e+01, double 1.330400e+01)
%18 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.3, i64 0, i64 0))
ret i32 0
}