1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s 2 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; else 9; 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 15define void @f(i64* %A, i64 %N) nounwind { 16entry: 17 fence seq_cst 18 br i1 true, label %next, label %next2 19 20next2: 21 br i1 true, label %for.j, label %return 22 23for.j: 24 %indvar2 = phi i64 [ 0, %next2], [ %indvar2.next2, %for.j] 25 %scevgep2 = getelementptr i64, i64* %A, i64 %indvar2 26 store i64 %indvar2, i64* %scevgep2 27 %indvar2.next2 = add nsw i64 %indvar2, 1 28 %exitcond2 = icmp eq i64 %indvar2.next2, %N 29 br i1 %exitcond2, label %return, label %for.j 30 31next: 32 br i1 true, label %for.i, label %return 33 34for.i: 35 %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ] 36 %scevgep = getelementptr i64, i64* %A, i64 %indvar 37 store i64 %indvar, i64* %scevgep 38 %indvar.next = add nsw i64 %indvar, 1 39 %exitcond = icmp eq i64 %indvar.next, %N 40 br i1 %exitcond, label %return, label %for.i 41 42return: 43 fence seq_cst 44 ret void 45} 46 47; CHECK: Valid Region for Scop: next => return 48; CHECK: Valid Region for Scop: next2 => return 49