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1; RUN: opt %loadNPMPolly '-passes=polly-custom<detect>' -polly-print-detect -disable-output < %s 2>&1 | FileCheck %s2 3; void f(long A[], long N) {4; long i;5; long i_non_canonical = 1;6; for (i = 0; i < N; ++i) {7; A[i] = i_non_canonical;8; i_non_canonical += 1;9; }10; }11 12target 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"13 14define void @f(ptr %A, i64 %N) nounwind {15entry:16 %cmp = icmp sgt i64 %N, 017 br i1 %cmp, label %for.i, label %return18 19for.i:20 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]21 %indvar_non_canonical = phi i64 [ 1, %entry ], [ %indvar_non_canonical.next, %for.i ]22 %scevgep = getelementptr i64, ptr %A, i64 %indvar23 store i64 %indvar_non_canonical, ptr %scevgep24 %indvar.next = add nsw i64 %indvar, 125 %indvar_non_canonical.next = add nsw i64 %indvar_non_canonical, 126 %exitcond = icmp eq i64 %indvar.next, %N27 br i1 %exitcond, label %return, label %for.i28 29return:30 ret void31}32 33; CHECK: Valid Region for Scop: for.i => return34