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| ; RUN: opt %loadPolly -polly-ast -polly-parallel -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polyhedral-info -polly-check-parallel -analyze < %s | FileCheck %s -check-prefix=PINFO
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
; for (i = 0; i < n; i++)
; for (j = 0; j < n; j++)
; A[i] = 1;
@A = common global [1024 x i32] zeroinitializer
define void @bar(i64 %n) {
start:
fence seq_cst
br label %loop.i
loop.i:
%i = phi i64 [ 0, %start ], [ %i.next, %loop.i.backedge ]
%exitcond.i = icmp ne i64 %i, %n
br i1 %exitcond.i, label %loop.j, label %ret
loop.j:
%j = phi i64 [ 0, %loop.i], [ %j.next, %loop.j.backedge ]
%exitcond.j = icmp ne i64 %j, %n
br i1 %exitcond.j, label %loop.body, label %loop.i.backedge
loop.body:
%scevgep = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %i
store i32 1, i32* %scevgep
br label %loop.j.backedge
loop.j.backedge:
%j.next = add nsw i64 %j, 1
br label %loop.j
loop.i.backedge:
%i.next = add nsw i64 %i, 1
br label %loop.i
ret:
fence seq_cst
ret void
}
; CHECK: #pragma omp parallel for
; CHECK: for (int c0 = 0; c0 < n; c0 += 1)
; CHECK: for (int c1 = 0; c1 < n; c1 += 1)
; CHECK: Stmt_loop_body(c0, c1);
; PINFO: loop.i: Loop is parallel.
; PINFO-NEXT: loop.j: Loop is not parallel.
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