#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 *, float *, float *, float *);
main() {
  float s1, s2, s3;
  printf("Please input the 3-sides of your triangle:\n");
  scanf("%f %f %f", &s1, &s2, &s3);
  if ((s1 + s2) < s3) {
    printf("This 'triangle' is invalid!");
  } else if ((s2 + s3) < s1) {
    printf("This 'triangle' is invalid!");
  } else if ((s1 + s3) < s2) {
    printf("This 'triangle' is invalid!");
  } else {
    printf("Nice triangle, bro.");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm1
addss  -0xc(%rbp),%xmm1
movss  -0x10(%rbp),%xmm0
ucomiss %xmm1,%xmm0
jbe    117c <main+0x5c>
lea    0xec3(%rip),%rdi
call   1030 <printf@plt>
jmp    11e4 <main+0xc4>
movss  -0xc(%rbp),%xmm1
addss  -0x10(%rbp),%xmm1
movss  -0x8(%rbp),%xmm0
ucomiss %xmm1,%xmm0
jbe    11a5 <main+0x85>
lea    0xe9a(%rip),%rdi
call   1030 <printf@plt>
jmp    11df <main+0xbf>
movss  -0x8(%rbp),%xmm1
addss  -0x10(%rbp),%xmm1
movss  -0xc(%rbp),%xmm0
ucomiss %xmm1,%xmm0
jbe    11ce <main+0xae>
lea    0xe71(%rip),%rdi
call   1030 <printf@plt>
jmp    11da <main+0xba>
lea    0xe7c(%rip),%rdi
call   1030 <printf@plt>
jmp    11df <main+0xbf>
jmp    11e4 <main+0xc4>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xefe(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb9(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
call   1050 <scanf@plt>
movss  0x14(%rsp),%xmm0
movss  0x10(%rsp),%xmm1
movaps %xmm0,%xmm2
movss  0xc(%rsp),%xmm3
movaps %xmm0,%xmm4
addss  %xmm3,%xmm4
ucomiss %xmm4,%xmm1
lea    0xe88(%rip),%rax
lea    0xe9d(%rip),%rdi
cmova  %rax,%rdi
addss  %xmm1,%xmm2
addss  %xmm3,%xmm1
ucomiss %xmm1,%xmm0
cmova  %rax,%rdi
ucomiss %xmm2,%xmm3
cmova  %rax,%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [44 x i8] c"Please input the 3-sides of your triangle:\0A\00"
@.str.1 = [9 x i8] c"%f %f %f\00"
@.str.2 = [28 x i8] c"This 'triangle' is invalid!\00"
@.str.3 = [20 x i8] c"Nice triangle, bro.\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), float* %2, float* %3, float* %4)
%7 = load float, float* %2
%8 = load float, float* %3
%9 = fadd float %7, %8
%10 = load float, float* %4
%11 = fcmp olt float %9, %10
br i1 %11, label %12, label %14
12: ; preds = %0
%13 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
br label %34
14: ; preds = %0
%15 = load float, float* %3
%16 = load float, float* %4
%17 = fadd float %15, %16
%18 = load float, float* %2
%19 = fcmp olt float %17, %18
br i1 %19, label %20, label %22
20: ; preds = %14
%21 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
br label %33
22: ; preds = %14
%23 = load float, float* %2
%24 = load float, float* %4
%25 = fadd float %23, %24
%26 = load float, float* %3
%27 = fcmp olt float %25, %26
br i1 %27, label %28, label %30
28: ; preds = %22
%29 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0))
br label %32
30: ; preds = %22
%31 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
br label %32
32: ; preds = %30, %28
br label %33
33: ; preds = %32, %20
br label %34
34: ; preds = %33, %12
%35 = load i32, i32* %1
ret i32 %35
}

LLVM IR (-O2):
@.str.1 = [9 x i8] c"%f %f %f\00"
@.str.2 = [28 x i8] c"This 'triangle' is invalid!\00"
@.str.3 = [20 x i8] c"Nice triangle, bro.\00"
@str = [43 x i8] c"Please input the 3-sides of your triangle:\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = bitcast float* %1 to i8*
%5 = bitcast float* %2 to i8*
%6 = bitcast float* %3 to i8*
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0), float* %1, float* %2, float* %3)
%9 = load float, float* %1
%10 = load float, float* %2
%11 = fadd float %9, %10
%12 = load float, float* %3
%13 = fcmp olt float %11, %12
%14 = fadd float %10, %12
%15 = fcmp olt float %14, %9
%16 = or i1 %13, %15
%17 = fadd float %9, %12
%18 = fcmp olt float %17, %10
%19 = select i1 %16, i1 true, i1 %18
%20 = select i1 %19, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0)
%21 = call i32 @printf(i8* dereferenceable(1) %20)
ret i32 0
}