#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*/ acc_device_default;
int /*<<< orphan*/ acc_set_device_num(int, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
int main() {
  acc_set_device_num(1, acc_device_default);
  int array[100];
  int sum = 0, i;
  for (i = 0; i < 100; i++)
    array[i] = i;
#pragma acc parallel loop reduction(+ : sum)
  for (i = 0; i < 100; i++) {
    sum += array[i];
  }
  if (sum != (100 - 1) * 100 / 2) {
    printf("sum=%d\n", sum);
    return 1;
  }
  printf("PASS\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x1b0,%rsp
movl   $0x0,-0x4(%rbp)
mov    0x2ea7(%rip),%rax
mov    (%rax),%esi
mov    $0x1,%edi
call   1040 <acc_set_device_num@plt>
movl   $0x0,-0x1a4(%rbp)
movl   $0x0,-0x1a8(%rbp)
cmpl   $0x64,-0x1a8(%rbp)
jge    118e <main+0x6e>
mov    -0x1a8(%rbp),%ecx
movslq -0x1a8(%rbp),%rax
mov    %ecx,-0x1a0(%rbp,%rax,4)
mov    -0x1a8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1a8(%rbp)
jmp    1159 <main+0x39>
movl   $0x0,-0x1a8(%rbp)
cmpl   $0x64,-0x1a8(%rbp)
jge    11d3 <main+0xb3>
movslq -0x1a8(%rbp),%rax
mov    -0x1a0(%rbp,%rax,4),%eax
add    -0x1a4(%rbp),%eax
mov    %eax,-0x1a4(%rbp)
mov    -0x1a8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1a8(%rbp)
jmp    1198 <main+0x78>
cmpl   $0x1356,-0x1a4(%rbp)
je     1203 <main+0xe3>
mov    -0x1a4(%rbp),%esi
lea    0xe10(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    1218 <main+0xf8>
lea    0xdfe(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x1b0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x190,%rsp
mov    0x2ea1(%rip),%rax
mov    (%rax),%esi
mov    $0x1,%ebx
mov    $0x1,%edi
call   1050 <acc_set_device_num@plt>
movaps 0xea9(%rip),%xmm0
movaps %xmm0,(%rsp)
movaps 0xeae(%rip),%xmm0
movaps %xmm0,0x10(%rsp)
movaps 0xeb2(%rip),%xmm0
movaps %xmm0,0x20(%rsp)
movaps 0xeb6(%rip),%xmm0
movaps %xmm0,0x30(%rsp)
movaps 0xeba(%rip),%xmm0
movaps %xmm0,0x40(%rsp)
movaps 0xebe(%rip),%xmm0
movaps %xmm0,0x50(%rsp)
movaps 0xec2(%rip),%xmm0
movaps %xmm0,0x60(%rsp)
movaps 0xec6(%rip),%xmm0
movaps %xmm0,0x70(%rsp)
movaps 0xeca(%rip),%xmm0
movaps %xmm0,0x80(%rsp)
movaps 0xecb(%rip),%xmm0
movaps %xmm0,0x90(%rsp)
movaps 0xecc(%rip),%xmm0
movaps %xmm0,0xa0(%rsp)
movaps 0xecd(%rip),%xmm0
movaps %xmm0,0xb0(%rsp)
movaps 0xece(%rip),%xmm0
movaps %xmm0,0xc0(%rsp)
movaps 0xecf(%rip),%xmm0
movaps %xmm0,0xd0(%rsp)
movaps 0xed0(%rip),%xmm0
movaps %xmm0,0xe0(%rsp)
movaps 0xed1(%rip),%xmm0
movaps %xmm0,0xf0(%rsp)
movaps 0xed2(%rip),%xmm0
movaps %xmm0,0x100(%rsp)
movaps 0xed3(%rip),%xmm0
movaps %xmm0,0x110(%rsp)
movaps 0xed4(%rip),%xmm0
movaps %xmm0,0x120(%rsp)
movaps 0xed5(%rip),%xmm0
movaps %xmm0,0x130(%rsp)
movaps 0xed6(%rip),%xmm0
movaps %xmm0,0x140(%rsp)
movaps 0xed7(%rip),%xmm0
movaps %xmm0,0x150(%rsp)
movaps 0xed8(%rip),%xmm0
movaps %xmm0,0x160(%rsp)
movaps 0xed9(%rip),%xmm0
movaps %xmm0,0x170(%rsp)
movaps 0xeda(%rip),%xmm0
movaps %xmm0,0x180(%rsp)
movdqa 0x10(%rsp),%xmm0
paddd  (%rsp),%xmm0
paddd  0x20(%rsp),%xmm0
paddd  0x30(%rsp),%xmm0
paddd  0x40(%rsp),%xmm0
paddd  0x50(%rsp),%xmm0
paddd  0xeb7(%rip),%xmm0
pshufd $0xee,%xmm0,%xmm1
paddd  %xmm0,%xmm1
pshufd $0x55,%xmm1,%xmm0
paddd  %xmm1,%xmm0
movd   %xmm0,%esi
cmp    $0x1356,%esi
jne    1307 <main+0x1d7>
lea    0xeaa(%rip),%rdi
call   1030 <puts@plt>
xor    %ebx,%ebx
jmp    1315 <main+0x1e5>
lea    0xe92(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %ebx,%eax
add    $0x190,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@acc_device_default = global i32 0
@.str = [8 x i8] c"sum=%d\0A\00"
@.str.1 = [6 x i8] c"PASS\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i32]
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
%5 = load i32, i32* @acc_device_default
%6 = call i32 @acc_set_device_num(i32 1, i32 %5)
store i32 0, i32* %3
store i32 0, i32* %4
br label %7
7: ; preds = %15, %0
%8 = load i32, i32* %4
%9 = icmp slt i32 %8, 100
br i1 %9, label %10, label %18
10: ; preds = %7
%11 = load i32, i32* %4
%12 = load i32, i32* %4
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 %13
store i32 %11, i32* %14
br label %15
15: ; preds = %10
%16 = load i32, i32* %4
%17 = add nsw i32 %16, 1
store i32 %17, i32* %4
br label %7
18: ; preds = %7
store i32 0, i32* %4
br label %19
19: ; preds = %29, %18
%20 = load i32, i32* %4
%21 = icmp slt i32 %20, 100
br i1 %21, label %22, label %32
22: ; preds = %19
%23 = load i32, i32* %4
%24 = sext i32 %23 to i64
%25 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 %24
%26 = load i32, i32* %25
%27 = load i32, i32* %3
%28 = add nsw i32 %27, %26
store i32 %28, i32* %3
br label %29
29: ; preds = %22
%30 = load i32, i32* %4
%31 = add nsw i32 %30, 1
store i32 %31, i32* %4
br label %19
32: ; preds = %19
%33 = load i32, i32* %3
%34 = icmp ne i32 %33, 4950
br i1 %34, label %35, label %38
35: ; preds = %32
%36 = load i32, i32* %3
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %36)
store i32 1, i32* %1
br label %40
38: ; preds = %32
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %1
br label %40
40: ; preds = %38, %35
%41 = load i32, i32* %1
ret i32 %41
}

LLVM IR (-O2):
@acc_device_default = global i32 0
@.str = [8 x i8] c"sum=%d\0A\00"
@str = [5 x i8] c"PASS\00"
define i32 @main() {
%1 = alloca [100 x i32]
%2 = load i32, i32* @acc_device_default
%3 = tail call i32 @acc_set_device_num(i32 1, i32 %2)
%4 = bitcast [100 x i32]* %1 to i8*
%5 = bitcast [100 x i32]* %1 to <4 x i32>*
store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, <4 x i32>* %5
%6 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 4
%7 = bitcast i32* %6 to <4 x i32>*
store <4 x i32> <i32 4, i32 5, i32 6, i32 7>, <4 x i32>* %7
%8 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 8
%9 = bitcast i32* %8 to <4 x i32>*
store <4 x i32> <i32 8, i32 9, i32 10, i32 11>, <4 x i32>* %9
%10 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 12
%11 = bitcast i32* %10 to <4 x i32>*
store <4 x i32> <i32 12, i32 13, i32 14, i32 15>, <4 x i32>* %11
%12 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 16
%13 = bitcast i32* %12 to <4 x i32>*
store <4 x i32> <i32 16, i32 17, i32 18, i32 19>, <4 x i32>* %13
%14 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 20
%15 = bitcast i32* %14 to <4 x i32>*
store <4 x i32> <i32 20, i32 21, i32 22, i32 23>, <4 x i32>* %15
%16 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 24
%17 = bitcast i32* %16 to <4 x i32>*
store <4 x i32> <i32 24, i32 25, i32 26, i32 27>, <4 x i32>* %17
%18 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 28
%19 = bitcast i32* %18 to <4 x i32>*
store <4 x i32> <i32 28, i32 29, i32 30, i32 31>, <4 x i32>* %19
%20 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 32
%21 = bitcast i32* %20 to <4 x i32>*
store <4 x i32> <i32 32, i32 33, i32 34, i32 35>, <4 x i32>* %21
%22 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 36
%23 = bitcast i32* %22 to <4 x i32>*
store <4 x i32> <i32 36, i32 37, i32 38, i32 39>, <4 x i32>* %23
%24 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 40
%25 = bitcast i32* %24 to <4 x i32>*
store <4 x i32> <i32 40, i32 41, i32 42, i32 43>, <4 x i32>* %25
%26 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 44
%27 = bitcast i32* %26 to <4 x i32>*
store <4 x i32> <i32 44, i32 45, i32 46, i32 47>, <4 x i32>* %27
%28 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 48
%29 = bitcast i32* %28 to <4 x i32>*
store <4 x i32> <i32 48, i32 49, i32 50, i32 51>, <4 x i32>* %29
%30 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 52
%31 = bitcast i32* %30 to <4 x i32>*
store <4 x i32> <i32 52, i32 53, i32 54, i32 55>, <4 x i32>* %31
%32 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 56
%33 = bitcast i32* %32 to <4 x i32>*
store <4 x i32> <i32 56, i32 57, i32 58, i32 59>, <4 x i32>* %33
%34 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 60
%35 = bitcast i32* %34 to <4 x i32>*
store <4 x i32> <i32 60, i32 61, i32 62, i32 63>, <4 x i32>* %35
%36 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 64
%37 = bitcast i32* %36 to <4 x i32>*
store <4 x i32> <i32 64, i32 65, i32 66, i32 67>, <4 x i32>* %37
%38 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 68
%39 = bitcast i32* %38 to <4 x i32>*
store <4 x i32> <i32 68, i32 69, i32 70, i32 71>, <4 x i32>* %39
%40 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 72
%41 = bitcast i32* %40 to <4 x i32>*
store <4 x i32> <i32 72, i32 73, i32 74, i32 75>, <4 x i32>* %41
%42 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 76
%43 = bitcast i32* %42 to <4 x i32>*
store <4 x i32> <i32 76, i32 77, i32 78, i32 79>, <4 x i32>* %43
%44 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 80
%45 = bitcast i32* %44 to <4 x i32>*
store <4 x i32> <i32 80, i32 81, i32 82, i32 83>, <4 x i32>* %45
%46 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 84
%47 = bitcast i32* %46 to <4 x i32>*
store <4 x i32> <i32 84, i32 85, i32 86, i32 87>, <4 x i32>* %47
%48 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 88
%49 = bitcast i32* %48 to <4 x i32>*
store <4 x i32> <i32 88, i32 89, i32 90, i32 91>, <4 x i32>* %49
%50 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 92
%51 = bitcast i32* %50 to <4 x i32>*
store <4 x i32> <i32 92, i32 93, i32 94, i32 95>, <4 x i32>* %51
%52 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 96
%53 = bitcast i32* %52 to <4 x i32>*
store <4 x i32> <i32 96, i32 97, i32 98, i32 99>, <4 x i32>* %53
%54 = bitcast [100 x i32]* %1 to <4 x i32>*
%55 = load <4 x i32>, <4 x i32>* %54
%56 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 4
%57 = bitcast i32* %56 to <4 x i32>*
%58 = load <4 x i32>, <4 x i32>* %57
%59 = add <4 x i32> %58, %55
%60 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 8
%61 = bitcast i32* %60 to <4 x i32>*
%62 = load <4 x i32>, <4 x i32>* %61
%63 = add <4 x i32> %62, %59
%64 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 12
%65 = bitcast i32* %64 to <4 x i32>*
%66 = load <4 x i32>, <4 x i32>* %65
%67 = add <4 x i32> %66, %63
%68 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 16
%69 = bitcast i32* %68 to <4 x i32>*
%70 = load <4 x i32>, <4 x i32>* %69
%71 = add <4 x i32> %70, %67
%72 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 20
%73 = bitcast i32* %72 to <4 x i32>*
%74 = load <4 x i32>, <4 x i32>* %73
%75 = add <4 x i32> %74, %71
%76 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 24
%77 = bitcast i32* %76 to <4 x i32>*
%78 = load <4 x i32>, <4 x i32>* %77
%79 = add <4 x i32> %78, %75
%80 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 28
%81 = bitcast i32* %80 to <4 x i32>*
%82 = load <4 x i32>, <4 x i32>* %81
%83 = add <4 x i32> %82, %79
%84 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 32
%85 = bitcast i32* %84 to <4 x i32>*
%86 = load <4 x i32>, <4 x i32>* %85
%87 = add <4 x i32> %86, %83
%88 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 36
%89 = bitcast i32* %88 to <4 x i32>*
%90 = load <4 x i32>, <4 x i32>* %89
%91 = add <4 x i32> %90, %87
%92 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 40
%93 = bitcast i32* %92 to <4 x i32>*
%94 = load <4 x i32>, <4 x i32>* %93
%95 = add <4 x i32> %94, %91
%96 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 44
%97 = bitcast i32* %96 to <4 x i32>*
%98 = load <4 x i32>, <4 x i32>* %97
%99 = add <4 x i32> %98, %95
%100 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 48
%101 = bitcast i32* %100 to <4 x i32>*
%102 = load <4 x i32>, <4 x i32>* %101
%103 = add <4 x i32> %102, %99
%104 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 52
%105 = bitcast i32* %104 to <4 x i32>*
%106 = load <4 x i32>, <4 x i32>* %105
%107 = add <4 x i32> %106, %103
%108 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 56
%109 = bitcast i32* %108 to <4 x i32>*
%110 = load <4 x i32>, <4 x i32>* %109
%111 = add <4 x i32> %110, %107
%112 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 60
%113 = bitcast i32* %112 to <4 x i32>*
%114 = load <4 x i32>, <4 x i32>* %113
%115 = add <4 x i32> %114, %111
%116 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 64
%117 = bitcast i32* %116 to <4 x i32>*
%118 = load <4 x i32>, <4 x i32>* %117
%119 = add <4 x i32> %118, %115
%120 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 68
%121 = bitcast i32* %120 to <4 x i32>*
%122 = load <4 x i32>, <4 x i32>* %121
%123 = add <4 x i32> %122, %119
%124 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 72
%125 = bitcast i32* %124 to <4 x i32>*
%126 = load <4 x i32>, <4 x i32>* %125
%127 = add <4 x i32> %126, %123
%128 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 76
%129 = bitcast i32* %128 to <4 x i32>*
%130 = load <4 x i32>, <4 x i32>* %129
%131 = add <4 x i32> %130, %127
%132 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 80
%133 = bitcast i32* %132 to <4 x i32>*
%134 = load <4 x i32>, <4 x i32>* %133
%135 = add <4 x i32> %134, %131
%136 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 84
%137 = bitcast i32* %136 to <4 x i32>*
%138 = load <4 x i32>, <4 x i32>* %137
%139 = add <4 x i32> %138, %135
%140 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 88
%141 = bitcast i32* %140 to <4 x i32>*
%142 = load <4 x i32>, <4 x i32>* %141
%143 = add <4 x i32> %142, %139
%144 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 92
%145 = bitcast i32* %144 to <4 x i32>*
%146 = load <4 x i32>, <4 x i32>* %145
%147 = add <4 x i32> %146, %143
%148 = getelementptr inbounds [100 x i32], [100 x i32]* %1, i64 0, i64 96
%149 = bitcast i32* %148 to <4 x i32>*
%150 = load <4 x i32>, <4 x i32>* %149
%151 = add <4 x i32> %150, %147
%152 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %151)
%153 = icmp eq i32 %152, 4950
br i1 %153, label %156, label %154
154: ; preds = %0
%155 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i32 %152)
br label %158
156: ; preds = %0
%157 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @str, i64 0, i64 0))
br label %158
158: ; preds = %156, %154
%159 = phi i32 [ 1, %154 ], [ 0, %156 ]
ret i32 %159
}