| Tobias Grosser | d1e33e7 | 2015-02-19 05:31:07 +0000 | [diff] [blame] | 1 | ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze -polly-allow-unsigned < %s | FileCheck %s |
| Tobias Grosser | bfbc369 | 2015-01-09 00:01:33 +0000 | [diff] [blame] | 2 | |
| 3 | ; void f(int a[], int N, unsigned P) { |
| 4 | ; int i; |
| 5 | ; for (i = 0; i < N; ++i) |
| 6 | ; if (P > 42) |
| 7 | ; a[i] = i; |
| 8 | ; } |
| 9 | |
| 10 | 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" |
| 11 | target triple = "x86_64-unknown-linux-gnu" |
| 12 | |
| 13 | define void @f(i64* nocapture %a, i64 %N, i64 %P) nounwind { |
| 14 | entry: |
| 15 | br label %bb |
| 16 | |
| 17 | bb: |
| 18 | %i = phi i64 [ 0, %entry ], [ %i.inc, %bb.backedge ] |
| 19 | %brcond = icmp uge i64 %P, 42 |
| 20 | br i1 %brcond, label %store, label %bb.backedge |
| 21 | |
| 22 | store: |
| 23 | %scevgep = getelementptr i64* %a, i64 %i |
| 24 | store i64 %i, i64* %scevgep |
| 25 | br label %bb.backedge |
| 26 | |
| 27 | bb.backedge: |
| 28 | %i.inc = add nsw i64 %i, 1 |
| 29 | %exitcond = icmp eq i64 %i.inc, %N |
| 30 | br i1 %exitcond, label %return, label %bb |
| 31 | |
| 32 | return: |
| 33 | ret void |
| 34 | } |
| 35 | |
| 36 | ; CHECK: Assumed Context: |
| 37 | ; CHECK: { : } |
| 38 | |
| 39 | ; CHECK: Stmt_store |
| 40 | ; CHECK: Domain := |
| 41 | ; CHECK: [N, P] -> { Stmt_store[i0] : |
| 42 | ; CHECK: i0 >= 0 and i0 <= -1 + N and P >= 42 |
| 43 | ; CHECK: }; |
| 44 | ; CHECK: Scattering := |
| Johannes Doerfert | 9282076 | 2015-02-02 13:45:54 +0000 | [diff] [blame] | 45 | ; CHECK: [N, P] -> { Stmt_store[i0] -> [i0] }; |
| Tobias Grosser | bfbc369 | 2015-01-09 00:01:33 +0000 | [diff] [blame] | 46 | ; CHECK: MustWriteAccess := [Reduction Type: NONE] |
| 47 | ; CHECK: [N, P] -> { Stmt_store[i0] -> MemRef_a[i0] }; |