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1; RUN: opt %loadNPMPolly '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s -check-prefix=PHI2 3; void f(long A[], long N) {4; long i;5; for (i = 0; i < N; ++i)6; A[i] = i;7; }8 9target 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"10 11define void @f(ptr %A, i64 %N, i64 %p) nounwind {12entry:13 fence seq_cst14 br label %pre15 16pre:17 %p_tmp = srem i64 %p, 518 br i1 true, label %for.i, label %then19 20for.i:21 %indvar = phi i64 [ 0, %pre ], [ %indvar.next, %for.i ]22 %indvar.p1 = phi i64 [ 0, %pre ], [ %indvar.p1.next, %for.i ]23 %indvar.p2 = phi i64 [ 0, %pre ], [ %indvar.p2.next, %for.i ]24 %sum = add i64 %indvar, %indvar.p125 %sum2 = sub i64 %sum, %indvar.p226 %scevgep = getelementptr i64, ptr %A, i64 %indvar27 store i64 %indvar, ptr %scevgep28 %indvar.next = add nsw i64 %indvar, 129 %indvar.p1.next = add nsw i64 %indvar.p1, %p_tmp30 %indvar.p2.next = add nsw i64 %indvar.p2, %p_tmp31 %exitcond = icmp eq i64 %sum2, %N32 br i1 %exitcond, label %then, label %for.i33 34then:35 br label %return36 37return:38 fence seq_cst39 ret void40}41 42; PHI: Valid Region for Scop: pre => return43