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236
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1 ; RUN: opt %loadPolly -polly-print-detect -disable-output < %s | FileCheck %s
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150
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2
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3 ; void f(long A[], long N) {
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4 ; long i;
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5 ; long i_non_canonical = 1;
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6 ; for (i = 0; i < N; ++i) {
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7 ; A[i] = i_non_canonical;
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8 ; i_non_canonical += 1;
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9 ; }
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10 ; }
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11
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12 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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13
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252
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14 define void @f(ptr %A, i64 %N) nounwind {
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150
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15 entry:
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16 %cmp = icmp sgt i64 %N, 0
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17 br i1 %cmp, label %for.i, label %return
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18
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19 for.i:
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20 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]
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21 %indvar_non_canonical = phi i64 [ 1, %entry ], [ %indvar_non_canonical.next, %for.i ]
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252
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22 %scevgep = getelementptr i64, ptr %A, i64 %indvar
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23 store i64 %indvar_non_canonical, ptr %scevgep
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150
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24 %indvar.next = add nsw i64 %indvar, 1
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25 %indvar_non_canonical.next = add nsw i64 %indvar_non_canonical, 1
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26 %exitcond = icmp eq i64 %indvar.next, %N
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27 br i1 %exitcond, label %return, label %for.i
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28
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29 return:
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30 ret void
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31 }
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32
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33 ; CHECK: Valid Region for Scop: for.i => return
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