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annotate polly/test/ScopInfo/exit_phi_accesses.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
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c4bab56944e8 LLVM 16
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1 ; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
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2
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3 ; Check that PHI nodes only create PHI access and nothing else (e.g. unnecessary
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4 ; SCALAR accesses). In this case, for a PHI in the exit node, hence there is no
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5 ; PHI ReadAccess.
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6
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7 ; CHECK-LABEL: Function: foo
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8 ;
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9 ; CHECK: Statements {
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10 ; CHECK-NEXT: Stmt_header
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11 ; CHECK-NEXT: Domain :=
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12 ; CHECK-NEXT: { Stmt_header[] };
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13 ; CHECK-NEXT: Schedule :=
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14 ; CHECK-NEXT: { Stmt_header[] -> [0, 0] };
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15 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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16 ; CHECK-NEXT: { Stmt_header[] -> MemRef_phi[] };
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17 ; CHECK-NEXT: Stmt_body
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18 ; CHECK-NEXT: Domain :=
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19 ; CHECK-NEXT: { Stmt_body[i0] : 0 <= i0 <= 100 };
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20 ; CHECK-NEXT: Schedule :=
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21 ; CHECK-NEXT: { Stmt_body[i0] -> [1, i0] };
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22 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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23 ; CHECK-NEXT: { Stmt_body[i0] -> MemRef_phi[] };
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24 ; CHECK-NEXT: }
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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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1f2b6ac9f198 LLVM16-1
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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28 define float @foo(float %sum, ptr %A) {
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29 entry:
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30 br label %header
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31
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32 header:
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33 br i1 true, label %body, label %exit
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34
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35 body:
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36 %i = phi i64 [ 0, %header ], [ %next, %body ]
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37 %scalar = fadd float 0.0, 0.0
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38 %next = add nuw nsw i64 %i, 1
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39 %cond = icmp ne i64 %i, 100
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40 br i1 %cond, label %body, label %exit
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41
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42 exit:
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43 %phi = phi float [%scalar, %body], [0.0, %header]
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44 ret float %phi
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45 }