forked from OSchip/llvm-project
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-opt-isl -analyze < %s | FileCheck %s -match-full-lines
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;
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; Check that the disable_nonforced metadata is honored; optimization
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; heuristics/rescheduling must not be applied.
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;
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define void @func(i32 %n, double* noalias nonnull %A) {
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entry:
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br label %for
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for:
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%j = phi i32 [0, %entry], [%j.inc, %inc]
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%j.cmp = icmp slt i32 %j, %n
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br i1 %j.cmp, label %inner.for, label %exit
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inner.for:
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%i = phi i32 [0, %for], [%i.inc, %inner.inc]
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br label %bodyA
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bodyA:
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%mul = mul nuw nsw i32 %j, 128
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%add = add nuw nsw i32 %mul, %i
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%A_idx = getelementptr inbounds double, double* %A, i32 %add
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store double 0.0, double* %A_idx
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br label %inner.inc
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inner.inc:
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%i.inc = add nuw nsw i32 %i, 1
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%i.cmp = icmp slt i32 %i.inc, 128
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br i1 %i.cmp, label %inner.for, label %inner.exit
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inner.exit:
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br label %inc, !llvm.loop !2
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inc:
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%j.inc = add nuw nsw i32 %j, 1
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br label %for, !llvm.loop !2
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exit:
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br label %return
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return:
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ret void
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}
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!2 = distinct !{!2, !3}
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!3 = !{!"llvm.loop.disable_nonforced"}
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; n/a indicates no new schedule was computed
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;
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; CHECK-LABEL: Printing analysis 'Polly - Optimize schedule of SCoP' for region: 'for => return' in function 'func':
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; CHECK-NEXT: Calculated schedule:
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; CHECK-NEXT: n/a
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