#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 usage() {
  printf("variance: determine the variability in a series of values.\n");
  printf("usage:\n");
  printf("calculate sample variance\n");
  printf("sampvar [list of numbers]\n");
  printf("\n");
  printf("calculate sample standard deviation\n");
  printf("sstddev [list of numbers]\n");
  printf("\n");
  printf("calculate population variance\n");
  printf("popvar [list of numbers]\n");
  printf("\n");
  printf("calculate population standard deviation\n");
  printf("pstddev [list of numbers]\n");
  printf("\n");
  printf("(list is CSV with no spaces)\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
lea    0xf20(%rip),%rdi
call   1030 <printf@plt>
lea    0x1008(%rip),%rdi
call   1030 <printf@plt>
lea    0xf23(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3c(%rip),%rdi
call   1030 <printf@plt>
lea    0xfe4(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf52(%rip),%rdi
call   1030 <printf@plt>
lea    0xfc0(%rip),%rdi
call   1030 <printf@plt>
lea    0xf54(%rip),%rdi
call   1030 <printf@plt>
lea    0xf71(%rip),%rdi
call   1030 <printf@plt>
lea    0xf9c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf74(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xf07(%rip),%rdi
call   1040 <puts@plt>
lea    0xf02(%rip),%rdi
call   1040 <puts@plt>
lea    0xf10(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf14(%rip),%rdi
call   1040 <puts@plt>
lea    0xf2c(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf30(%rip),%rdi
call   1040 <puts@plt>
lea    0xf42(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf45(%rip),%rdi
call   1040 <puts@plt>
lea    0xf61(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf65(%rip),%rdi
pop    %rax
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [60 x i8] c"variance: determine the variability in a series of values.\0A\00"
@.str.1 = [8 x i8] c"usage:\0A\00"
@.str.2 = [27 x i8] c"calculate sample variance\0A\00"
@.str.3 = [27 x i8] c"sampvar [list of numbers]\0A\00"
@.str.4 = [2 x i8] c"\0A\00"
@.str.5 = [37 x i8] c"calculate sample standard deviation\0A\00"
@.str.6 = [27 x i8] c"sstddev [list of numbers]\0A\00"
@.str.7 = [31 x i8] c"calculate population variance\0A\00"
@.str.8 = [26 x i8] c"popvar [list of numbers]\0A\00"
@.str.9 = [41 x i8] c"calculate population standard deviation\0A\00"
@.str.10 = [27 x i8] c"pstddev [list of numbers]\0A\00"
@.str.11 = [30 x i8] c"(list is CSV with no spaces)\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.7, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.8, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%12 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.9, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.10, i64 0, i64 0))
%14 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%15 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.11, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [59 x i8] c"variance: determine the variability in a series of values.\00"
@str.12 = [7 x i8] c"usage:\00"
@str.13 = [26 x i8] c"calculate sample variance\00"
@str.14 = [26 x i8] c"sampvar [list of numbers]\00"
@str.15 = [36 x i8] c"calculate sample standard deviation\00"
@str.16 = [26 x i8] c"sstddev [list of numbers]\00"
@str.17 = [30 x i8] c"calculate population variance\00"
@str.18 = [25 x i8] c"popvar [list of numbers]\00"
@str.19 = [40 x i8] c"calculate population standard deviation\00"
@str.20 = [26 x i8] c"pstddev [list of numbers]\00"
@str.21 = [29 x i8] c"(list is CSV with no spaces)\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.12, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.13, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.14, i64 0, i64 0))
%5 = tail call i32 @putchar(i32 10)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.15, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.16, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.17, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.18, i64 0, i64 0))
%11 = tail call i32 @putchar(i32 10)
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.19, i64 0, i64 0))
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.20, i64 0, i64 0))
%14 = tail call i32 @putchar(i32 10)
%15 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.21, i64 0, i64 0))
ret void
}