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; if (true) 7; for (i = 0; i < N; ++i) 8; A[i] = i; 9; } 10 11target 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" 12 13define void @f(i64* %A, i64 %N) nounwind { 14entry: 15 fence seq_cst 16 br i1 true, label %next, label %return 17 18next: 19 br i1 true, label %for.i, label %return 20 21for.i: 22 %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ] 23 %scevgep = getelementptr i64, i64* %A, i64 %indvar 24 store i64 %indvar, i64* %scevgep 25 %indvar.next = add nsw i64 %indvar, 1 26 %exitcond = icmp eq i64 %indvar.next, %N 27 br i1 %exitcond, label %return, label %for.i 28 29return: 30 fence seq_cst 31 ret void 32} 33 34; CHECK: Valid Region for Scop: next => return 35