| Tobias Grosser | f4ee371 | 2015-10-06 15:36:44 +0000 | [diff] [blame] | 1 | ; RUN: opt %loadPolly -polly-allow-nonaffine -S < %s | FileCheck %s --check-prefix=CODE |
| 2 | ; RUN: opt %loadPolly -polly-allow-nonaffine -polly-scops -analyze < %s | FileCheck %s |
| Johannes Doerfert | d239aac | 2015-03-02 14:06:01 +0000 | [diff] [blame] | 3 | ; |
| 4 | ; Verify there is a phi in the non-affine region but it is not represented in |
| 5 | ; the SCoP as all operands as well as the uses are inside the region too. |
| 6 | ; |
| 7 | ; void f(int *A) { |
| 8 | ; for (int i = 0; i < 1024; i++) { |
| 9 | ; if (A[i]) { |
| 10 | ; int x = 0; |
| 11 | ; if (i > 512) |
| 12 | ; x = 1 + A[i]; |
| 13 | ; A[i] = x; |
| 14 | ; } |
| 15 | ; } |
| 16 | ; } |
| 17 | ; |
| 18 | ; CODE-LABEL: bb11: |
| 19 | ; CODE: %x.0 = phi i32 |
| 20 | ; |
| 21 | ; We have 3 accesses to A that should be present in the SCoP but no scalar access. |
| 22 | ; |
| 23 | ; CHECK-NOT: [Scalar: 1] |
| 24 | ; CHECK: [Scalar: 0] |
| 25 | ; CHECK-NOT: [Scalar: 1] |
| 26 | ; CHECK: [Scalar: 0] |
| 27 | ; CHECK-NOT: [Scalar: 1] |
| 28 | ; CHECK: [Scalar: 0] |
| 29 | ; CHECK-NOT: [Scalar: 1] |
| 30 | ; |
| 31 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 32 | |
| 33 | define void @f(i32* %A) { |
| 34 | bb: |
| 35 | br label %bb1 |
| 36 | |
| 37 | bb1: ; preds = %bb14, %bb |
| 38 | %indvars.iv = phi i64 [ %indvars.iv.next, %bb14 ], [ 0, %bb ] |
| 39 | %exitcond = icmp ne i64 %indvars.iv, 1024 |
| 40 | br i1 %exitcond, label %bb2, label %bb15 |
| 41 | |
| 42 | bb2: ; preds = %bb1 |
| 43 | %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| 44 | %tmp3 = load i32, i32* %tmp, align 4 |
| 45 | %tmp4 = icmp eq i32 %tmp3, 0 |
| 46 | br i1 %tmp4, label %bb13, label %bb5 |
| 47 | |
| 48 | bb5: ; preds = %bb2 |
| 49 | %tmp6 = icmp sgt i64 %indvars.iv, 512 |
| 50 | br i1 %tmp6, label %bb7, label %bb11 |
| 51 | |
| 52 | bb7: ; preds = %bb5 |
| 53 | %tmp8 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| 54 | %tmp9 = load i32, i32* %tmp8, align 4 |
| 55 | %tmp10 = add nsw i32 %tmp9, 1 |
| 56 | br label %bb11 |
| 57 | |
| 58 | bb11: ; preds = %bb7, %bb5 |
| 59 | %x.0 = phi i32 [ %tmp10, %bb7 ], [ 0, %bb5 ] |
| 60 | %tmp12 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| 61 | store i32 %x.0, i32* %tmp12, align 4 |
| 62 | br label %bb13 |
| 63 | |
| 64 | bb13: ; preds = %bb2, %bb11 |
| 65 | br label %bb14 |
| 66 | |
| 67 | bb14: ; preds = %bb13 |
| 68 | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| 69 | br label %bb1 |
| 70 | |
| 71 | bb15: ; preds = %bb1 |
| 72 | ret void |
| 73 | } |