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annotate polly/test/GPGPU/shared-memory-scalar.ll @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents 1d019706d866
children
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150
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1 ; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
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2 ; RUN: -polly-acc-use-shared \
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3 ; RUN: -disable-output < %s | \
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4 ; RUN: FileCheck -check-prefix=CODE %s
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5
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6 ; REQUIRES: pollyacc
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7
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8 ; void add(float *A, float alpha) {
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9 ; for (long i = 0; i < 32; i++)
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10 ; for (long j = 0; j < 10; j++)
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11 ; A[i] += alpha;
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12 ; }
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13
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14 ; CODE: read(t0);
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15 ; CODE-NEXT: sync0();
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16 ; CODE-NEXT: for (int c3 = 0; c3 <= 9; c3 += 1)
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17 ; CODE-NEXT: Stmt_bb5(t0, c3);
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18 ; CODE-NEXT: sync1();
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19 ; CODE-NEXT: write(t0);
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20
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21 ; This test case was intended to test code generation for scalars stored
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22 ; in shared memory. However, after properly marking the scalar as read-only
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23 ; the scalar is not stored any more in shared memory. We still leave this
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24 ; test case as documentation if we every forget to mark scalars as read-only.
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25
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26 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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27
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28 define void @add(float* %A, float %alpha) {
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29 bb:
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30 br label %bb2
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31
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32 bb2: ; preds = %bb11, %bb
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33 %i.0 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ]
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34 %exitcond1 = icmp ne i64 %i.0, 32
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35 br i1 %exitcond1, label %bb3, label %bb13
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36
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37 bb3: ; preds = %bb2
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38 br label %bb4
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39
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40 bb4: ; preds = %bb8, %bb3
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41 %j.0 = phi i64 [ 0, %bb3 ], [ %tmp9, %bb8 ]
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42 %exitcond = icmp ne i64 %j.0, 10
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43 br i1 %exitcond, label %bb5, label %bb10
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44
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45 bb5: ; preds = %bb4
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46 %tmp = getelementptr inbounds float, float* %A, i64 %i.0
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47 %tmp6 = load float, float* %tmp, align 4
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48 %tmp7 = fadd float %tmp6, %alpha
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49 store float %tmp7, float* %tmp, align 4
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50 br label %bb8
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51
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52 bb8: ; preds = %bb5
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53 %tmp9 = add nuw nsw i64 %j.0, 1
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54 br label %bb4
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55
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56 bb10: ; preds = %bb4
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57 br label %bb11
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58
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59 bb11: ; preds = %bb10
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60 %tmp12 = add nuw nsw i64 %i.0, 1
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61 br label %bb2
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62
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63 bb13: ; preds = %bb2
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64 ret void
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65 }