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annotate polly/test/ScopInfo/isl_trip_count_03.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
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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 ; Test comes from a bug (15771) or better a feature request. It was not allowed
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4 ; in Polly in the old domain generation as ScalarEvolution cannot figure out the
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5 ; loop bounds. However, the new domain generation will detect the SCoP.
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6
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7 ; CHECK: Context:
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8 ; CHECK-NEXT: [n] -> { : -2147483648 <= n <= 2147483647 }
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9 ;
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10 ; CHECK: p0: %n
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11 ;
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12 ; CHECK: Statements {
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13 ; CHECK-NEXT: Stmt_for_next
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14 ; CHECK-NEXT: Domain :=
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15 ; CHECK-NEXT: [n] -> { Stmt_for_next[i0] : i0 >= 0 and 2i0 <= -3 + n };
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16 ; CHECK-NEXT: Schedule :=
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17 ; CHECK-NEXT: [n] -> { Stmt_for_next[i0] -> [i0] };
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18 ; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
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19 ; CHECK-NEXT: [n] -> { Stmt_for_next[i0] -> MemRef_A[i0] };
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20 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
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21 ; CHECK-NEXT: [n] -> { Stmt_for_next[i0] -> MemRef_A[i0] };
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22 ; CHECK-NEXT: }
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23
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24 @A = common global [100 x i32] zeroinitializer, align 16
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25
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26 define void @foo(i32 %n) #0 {
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27 entry:
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28 br label %entry.split
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29
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30 entry.split: ; preds = %entry
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31 %cmp2 = icmp sgt i32 %n, 0
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32 br i1 %cmp2, label %for.body.lr.ph, label %for.end
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33
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34 for.body.lr.ph: ; preds = %entry.split
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35 br label %for.body
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36
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37 for.body: ; preds = %for.body.lr.ph, %for.body
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38 %indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.next ]
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1f2b6ac9f198 LLVM16-1
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39 %arrayidx = getelementptr [100 x i32], ptr @A, i64 0, i64 %indvar
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40 %0 = mul i64 %indvar, 2
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41 %1 = add i64 %0, 2
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42 %add1 = trunc i64 %1 to i32
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43 %cmp = icmp slt i32 %add1, %n
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44 %indvar.next = add i64 %indvar, 1
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45 br i1 %cmp, label %for.next, label %for.cond.for.end_crit_edge
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46
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47 for.next:
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1f2b6ac9f198 LLVM16-1
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48 %2 = load i32, ptr %arrayidx, align 4
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49 %add = add nsw i32 %2, 1
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50 store i32 %add, ptr %arrayidx, align 4
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51 br label %for.body
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52
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53 for.cond.for.end_crit_edge: ; preds = %for.body
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54 br label %for.end
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55
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56 for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
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57 ret void
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58 }