#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*/ isfinite(double);
int diverged(double *x, int n) {
  for (int i = 0; i < n; ++i) {
    if (!isfinite(x[i]))
      return 1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<diverged>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %esi,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%eax
cmp    -0x14(%rbp),%eax
jge    116c <diverged+0x5c>
mov    -0x10(%rbp),%rax
movslq -0x18(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
call   1030 <isfinite@plt>
cmp    $0x0,%eax
jne    1159 <diverged+0x49>
movl   $0x1,-0x4(%rbp)
jmp    1173 <diverged+0x63>
jmp    115e <diverged+0x4e>
mov    -0x18(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x18(%rbp)
jmp    1126 <diverged+0x16>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<diverged>:
push   %rbp
push   %r14
push   %rbx
test   %esi,%esi
jle    1165 <diverged+0x55>
mov    %esi,%ebp
mov    %rdi,%r14
movsd  (%rdi),%xmm0
call   1030 <isfinite@plt>
test   %eax,%eax
je     1169 <diverged+0x59>
mov    %ebp,%ebp
mov    $0x1,%ecx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    %rcx,%rbx
cmp    %rcx,%rbp
je     115b <diverged+0x4b>
movsd  (%r14,%rbx,8),%xmm0
call   1030 <isfinite@plt>
lea    0x1(%rbx),%rcx
test   %eax,%eax
jne    1140 <diverged+0x30>
xor    %eax,%eax
cmp    %rbp,%rbx
setb   %al
jmp    116e <diverged+0x5e>
xor    %eax,%eax
jmp    116e <diverged+0x5e>
mov    $0x1,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
define i32 @diverged(double* %0, i32 %1) {
%3 = alloca i32
%4 = alloca double*
%5 = alloca i32
%6 = alloca i32
store double* %0, double** %4
store i32 %1, i32* %5
store i32 0, i32* %6
br label %7
7: ; preds = %21, %2
%8 = load i32, i32* %6
%9 = load i32, i32* %5
%10 = icmp slt i32 %8, %9
br i1 %10, label %11, label %24
11: ; preds = %7
%12 = load double*, double** %4
%13 = load i32, i32* %6
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds double, double* %12, i64 %14
%16 = load double, double* %15
%17 = call i32 @isfinite(double %16)
%18 = icmp ne i32 %17, 0
br i1 %18, label %20, label %19
19: ; preds = %11
store i32 1, i32* %3
br label %25
20: ; preds = %11
br label %21
21: ; preds = %20
%22 = load i32, i32* %6
%23 = add nsw i32 %22, 1
store i32 %23, i32* %6
br label %7
24: ; preds = %7
store i32 0, i32* %3
br label %25
25: ; preds = %24, %19
%26 = load i32, i32* %3
ret i32 %26
}

LLVM IR (-O2):
define i32 @diverged(double* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %22
4: ; preds = %2
%5 = zext i32 %1 to i64
%6 = zext i32 %1 to i64
%7 = load double, double* %0
%8 = tail call i32 @isfinite(double %7)
%9 = icmp eq i32 %8, 0
br i1 %9, label %22, label %10
10: ; preds = %4, %13
%11 = phi i64 [ %18, %13 ], [ 1, %4 ]
%12 = icmp eq i64 %11, %6
br i1 %12, label %19, label %13
13: ; preds = %10
%14 = getelementptr inbounds double, double* %0, i64 %11
%15 = load double, double* %14
%16 = tail call i32 @isfinite(double %15)
%17 = icmp eq i32 %16, 0
%18 = add nuw nsw i64 %11, 1
br i1 %17, label %19, label %10
19: ; preds = %10, %13
%20 = icmp ult i64 %11, %5
%21 = zext i1 %20 to i32
br label %22
22: ; preds = %19, %4, %2
%23 = phi i32 [ 0, %2 ], [ 1, %4 ], [ %21, %19 ]
ret i32 %23
}