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annotate polly/test/ScopInfo/invariant_load_scalar_dep.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 c4bab56944e8
children
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c4bab56944e8 LLVM 16
kono
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1 ; RUN: opt %loadPolly -polly-process-unprofitable -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s | FileCheck %s
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2 ;
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3 ; CHECK: Invariant Accesses:
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4 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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5 ; CHECK-NEXT: { Stmt_bb2[i0] -> MemRef_B[0] };
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6 ; CHECK-NOT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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7 ; CHECK-NOT: { Stmt_bb2[i0] -> MemRef_tmp[] };
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8 ;
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9 ; void f(int *restrict A, int *restrict B) {
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10 ; for (int i = 0; i < 1024; i++)
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11 ; auto tmp = *B;
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12 ; // Split BB
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13 ; A[i] = tmp;
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14 ; }
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15 ;
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16 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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17
252
1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 236
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18 define void @f(ptr noalias %A, ptr noalias %B) {
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19 bb:
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20 br label %bb1
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21
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22 bb1: ; preds = %bb4, %bb
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23 %indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ]
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24 %exitcond = icmp ne i64 %indvars.iv, 1024
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25 br i1 %exitcond, label %bb2, label %bb5
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26
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27 bb2: ; preds = %bb1
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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28 %tmp = load i32, ptr %B, align 4
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29 br label %bb2b
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30
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31 bb2b:
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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 236
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32 %tmp3 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 236
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33 store i32 %tmp, ptr %tmp3, align 4
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34 br label %bb4
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35
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36 bb4: ; preds = %bb2
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37 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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38 br label %bb1
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39
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40 bb5: ; preds = %bb1
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41 ret void
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42 }