#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 /*<<< orphan*/ scanf(char *, double *);
int main(int argc, const char *argv[]) {
  int i;
  double value, total;
  printf("This program adds a list of numbers.\n");
  printf("Signal end of list with a 0.\n");
  total = 0;
  for (i = 0; i < 10; i++) {
    printf(" ? ");
    scanf("%lf", &value);
    total += value;
  }
  printf("The total is %g\n", total);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xorps  %xmm0,%xmm0
movsd  %xmm0,-0x28(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0xa,-0x14(%rbp)
jge    11a6 <main+0x86>
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x20(%rbp),%rsi
call   1040 <scanf@plt>
movsd  -0x20(%rbp),%xmm0
addsd  -0x28(%rbp),%xmm0
movsd  %xmm0,-0x28(%rbp)
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1161 <main+0x41>
movsd  -0x28(%rbp),%xmm0
lea    0xe9a(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xed9(%rip),%rdi
call   1030 <puts@plt>
lea    0xef2(%rip),%rdi
call   1030 <puts@plt>
lea    0xea8(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe9b(%rip),%rbx
lea    0x8(%rsp),%r15
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
xorpd  %xmm0,%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
movsd  (%rsp),%xmm0
addsd  0x8(%rsp),%xmm0
lea    0xd31(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [38 x i8] c"This program adds a list of numbers.\0A\00"
@.str.1 = [30 x i8] c"Signal end of list with a 0.\0A\00"
@.str.2 = [4 x i8] c" ? \00"
@.str.3 = [4 x i8] c"%lf\00"
@.str.4 = [17 x i8] c"The total is %g\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca double
%8 = alloca double
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.1, i64 0, i64 0))
store double 0.000000e+00, double* %8
store i32 0, i32* %6
br label %11
11: ; preds = %20, %2
%12 = load i32, i32* %6
%13 = icmp slt i32 %12, 10
br i1 %13, label %14, label %23
14: ; preds = %11
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%16 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %7)
%17 = load double, double* %7
%18 = load double, double* %8
%19 = fadd double %18, %17
store double %19, double* %8
br label %20
20: ; preds = %14
%21 = load i32, i32* %6
%22 = add nsw i32 %21, 1
store i32 %22, i32* %6
br label %11
23: ; preds = %11
%24 = load double, double* %8
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0), double %24)
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [4 x i8] c" ? \00"
@.str.3 = [4 x i8] c"%lf\00"
@.str.4 = [17 x i8] c"The total is %g\0A\00"
@str = [37 x i8] c"This program adds a list of numbers.\00"
@str.5 = [29 x i8] c"Signal end of list with a 0.\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca double
%4 = bitcast double* %3 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.5, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%9 = load double, double* %3
%10 = fadd double %9, 0.000000e+00
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%13 = load double, double* %3
%14 = fadd double %10, %13
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%16 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%17 = load double, double* %3
%18 = fadd double %14, %17
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%20 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%21 = load double, double* %3
%22 = fadd double %18, %21
%23 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%24 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%25 = load double, double* %3
%26 = fadd double %22, %25
%27 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%28 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%29 = load double, double* %3
%30 = fadd double %26, %29
%31 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%32 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%33 = load double, double* %3
%34 = fadd double %30, %33
%35 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%36 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%37 = load double, double* %3
%38 = fadd double %34, %37
%39 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%40 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%41 = load double, double* %3
%42 = fadd double %38, %41
%43 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%44 = call i32 @scanf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), double* %3)
%45 = load double, double* %3
%46 = fadd double %42, %45
%47 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0), double %46)
ret i32 0
}