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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; if (true)6; for (i = 0; i < N; ++i)7; A[i] = i;8; else9; for (j = 0; j < N; ++j)10; A[j] = j;11; }12 13target 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"14 15declare i64 @foo()16 17define void @f(ptr %A, i64 %N) nounwind {18entry:19 fence seq_cst20 br i1 true, label %next, label %next221 22next2:23 br i1 true, label %for.j, label %return24 25for.j:26 %indvar2 = phi i64 [ 0, %next2], [ %indvar2.next2, %for.j]27 %scevgep2 = getelementptr i64, ptr %A, i64 %indvar228 store i64 %indvar2, ptr %scevgep229 %indvar2.next2 = add nsw i64 %indvar2, 130 %exitcond2 = icmp eq i64 %indvar2.next2, %N31 br i1 %exitcond2, label %return, label %for.j32 33next:34 br i1 true, label %for.i, label %return35 36for.i:37 %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]38 %scevgep = getelementptr i64, ptr %A, i64 %indvar39 store i64 %indvar, ptr %scevgep40 %i = call i64 @foo()41 %indvar.next = add nsw i64 %indvar, 142 %exitcond = icmp eq i64 %indvar.next, %N43 br i1 %exitcond, label %return, label %for.i44 45return:46 br i1 true, label %return_a, label %return_b47 48return_a:49 br label %return_join50 51return_b:52 br label %return_join53 54return_join:55 fence seq_cst56 ret void57}58 59; CHECK-NOT: Valid Region for Scop: next => return60; CHECK: Valid Region for Scop: next2 => return61