| ; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \ |
| ; RUN: -polly-acc-use-shared \ |
| ; RUN: -disable-output < %s | \ |
| ; RUN: FileCheck -check-prefix=CODE %s |
| |
| ; REQUIRES: pollyacc |
| |
| ; void add(float *A, float alpha) { |
| ; for (long i = 0; i < 32; i++) |
| ; for (long j = 0; j < 10; j++) |
| ; A[i] += alpha; |
| ; } |
| |
| ; CODE: read(t0); |
| ; CODE-NEXT: sync0(); |
| ; CODE-NEXT: for (int c3 = 0; c3 <= 9; c3 += 1) |
| ; CODE-NEXT: Stmt_bb5(t0, c3); |
| ; CODE-NEXT: sync1(); |
| ; CODE-NEXT: write(t0); |
| |
| ; This test case was intended to test code generation for scalars stored |
| ; in shared memory. However, after properly marking the scalar as read-only |
| ; the scalar is not stored any more in shared memory. We still leave this |
| ; test case as documentation if we every forget to mark scalars as read-only. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @add(float* %A, float %alpha) { |
| bb: |
| br label %bb2 |
| |
| bb2: ; preds = %bb11, %bb |
| %i.0 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ] |
| %exitcond1 = icmp ne i64 %i.0, 32 |
| br i1 %exitcond1, label %bb3, label %bb13 |
| |
| bb3: ; preds = %bb2 |
| br label %bb4 |
| |
| bb4: ; preds = %bb8, %bb3 |
| %j.0 = phi i64 [ 0, %bb3 ], [ %tmp9, %bb8 ] |
| %exitcond = icmp ne i64 %j.0, 10 |
| br i1 %exitcond, label %bb5, label %bb10 |
| |
| bb5: ; preds = %bb4 |
| %tmp = getelementptr inbounds float, float* %A, i64 %i.0 |
| %tmp6 = load float, float* %tmp, align 4 |
| %tmp7 = fadd float %tmp6, %alpha |
| store float %tmp7, float* %tmp, align 4 |
| br label %bb8 |
| |
| bb8: ; preds = %bb5 |
| %tmp9 = add nuw nsw i64 %j.0, 1 |
| br label %bb4 |
| |
| bb10: ; preds = %bb4 |
| br label %bb11 |
| |
| bb11: ; preds = %bb10 |
| %tmp12 = add nuw nsw i64 %i.0, 1 |
| br label %bb2 |
| |
| bb13: ; preds = %bb2 |
| ret void |
| } |
