#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 *, float, float);
int /*<<< orphan*/ scanf(char *, float *);
int main(void) {
  float x, a;
  scanf("%f", &x);
  scanf("%f", &a);
  do {
    printf("%f %f\n", x, a);
    x += 0.5;
    if (x > a)
      break;
  } while (x > a);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xec2(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
lea    0xeab(%rip),%rdi
call   1030 <printf@plt>
movss  -0x8(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xe8a(%rip),%xmm1
addsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x8(%rbp)
movss  -0x8(%rbp),%xmm0
ucomiss -0xc(%rbp),%xmm0
jbe    1197 <main+0x77>
jmp    11ab <main+0x8b>
jmp    119c <main+0x7c>
movss  -0x8(%rbp),%xmm0
ucomiss -0xc(%rbp),%xmm0
ja     114f <main+0x2f>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
movss  0xc(%rsp),%xmm0
movss  0x8(%rsp),%xmm1
lea    0xeaa(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%f\00"
@.str.1 = [7 x i8] c"%f %f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
store i32 0, i32* %1
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %2)
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %3)
br label %6
6: ; preds = %19, %0
%7 = load float, float* %2
%8 = load float, float* %3
%9 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), float %7, float %8)
%10 = load float, float* %2
%11 = fpext float %10 to double
%12 = fadd double %11, 5.000000e-01
%13 = fptrunc double %12 to float
store float %13, float* %2
%14 = load float, float* %2
%15 = load float, float* %3
%16 = fcmp ogt float %14, %15
br i1 %16, label %17, label %18
17: ; preds = %6
br label %23
18: ; preds = %6
br label %19
19: ; preds = %18
%20 = load float, float* %2
%21 = load float, float* %3
%22 = fcmp ogt float %20, %21
br i1 %22, label %6, label %23
23: ; preds = %19, %17
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%f\00"
@.str.1 = [7 x i8] c"%f %f\0A\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %1)
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), float* %2)
%7 = load float, float* %1
%8 = load float, float* %2
%9 = call i32 @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0), float %7, float %8)
ret i32 0
}