| Tobias Grosser | 134a572 | 2017-03-07 15:50:43 +0000 | [diff] [blame] | 1 | ; RUN: opt %loadPolly -polly-detect -analyze < %s \ |
| 2 | ; RUN: -pass-remarks-missed="polly-detect" 2>&1 | FileCheck %s |
| 3 | |
| 4 | ; void f(long A[], long N) { |
| 5 | ; long i; |
| 6 | ; for (i = 0; i < N; ++i) |
| 7 | ; A[i] = i; |
| 8 | ; unreachable() |
| 9 | ; } |
| 10 | |
| 11 | target 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 | |
| 13 | define void @f(i64* %A, i64 %N) nounwind { |
| 14 | entry: |
| 15 | fence seq_cst |
| 16 | br label %for.i |
| 17 | |
| 18 | for.i: |
| 19 | %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ] |
| 20 | %scevgep = getelementptr i64, i64* %A, i64 %indvar |
| 21 | store i64 %indvar, i64* %scevgep |
| 22 | %indvar.next = add nsw i64 %indvar, 1 |
| 23 | %exitcond = icmp eq i64 %indvar.next, %N |
| 24 | br i1 %exitcond, label %return, label %for.i |
| 25 | |
| 26 | return: |
| 27 | fence seq_cst |
| 28 | unreachable |
| 29 | } |
| 30 | |
| 31 | ; CHECK: Unreachable in exit block |