58 lines
2.7 KiB
LLVM
58 lines
2.7 KiB
LLVM
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; RUN: llc -O2 -march=hexagon -enable-pipeliner \
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; RUN: -debug-only=pipeliner < %s 2>&1 > /dev/null | FileCheck %s
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; REQUIRES: asserts
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;
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; Test that the pragma check that disables pipeliner does not disable pipelining
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; on both the loops.
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; CHECK: Can not pipeline loop
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; CHECK-NOT: Can not pipeline loop
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; Function Attrs: nofree norecurse nounwind
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define dso_local i32 @foo(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture %c) local_unnamed_addr #0 {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.023 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.023
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%0 = load i32, i32* %arrayidx, align 4, !tbaa !2
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%arrayidx1 = getelementptr inbounds i32, i32* %a, i32 %i.023
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%1 = load i32, i32* %arrayidx1, align 4, !tbaa !2
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%add = add nsw i32 %1, %0
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store i32 %add, i32* %arrayidx1, align 4, !tbaa !2
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%inc = add nuw nsw i32 %i.023, 1
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%exitcond24 = icmp eq i32 %inc, 10
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br i1 %exitcond24, label %for.body6, label %for.body, !llvm.loop !6
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for.cond.cleanup5: ; preds = %for.body6
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ret i32 0
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for.body6: ; preds = %for.body, %for.body6
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%i2.022 = phi i32 [ %inc11, %for.body6 ], [ 0, %for.body ]
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%arrayidx7 = getelementptr inbounds i32, i32* %a, i32 %i2.022
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%2 = load i32, i32* %arrayidx7, align 4, !tbaa !2
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%arrayidx8 = getelementptr inbounds i32, i32* %c, i32 %i2.022
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%3 = load i32, i32* %arrayidx8, align 4, !tbaa !2
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%add9 = add nsw i32 %3, %2
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store i32 %add9, i32* %arrayidx8, align 4, !tbaa !2
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%inc11 = add nuw nsw i32 %i2.022, 1
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%exitcond = icmp eq i32 %inc11, 10
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br i1 %exitcond, label %for.cond.cleanup5, label %for.body6, !llvm.loop !8
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}
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attributes #0 = { nofree norecurse nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv60" "target-features"="+v60,-long-calls" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 6e29846b29d2bcaa8a7a3d869f24f242bd93d272)"}
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!2 = !{!3, !3, i64 0}
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!3 = !{!"int", !4, i64 0}
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!4 = !{!"omnipotent char", !5, i64 0}
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!5 = !{!"Simple C/C++ TBAA"}
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!6 = distinct !{!6, !7}
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!7 = !{!"llvm.loop.unroll.disable"}
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!8 = distinct !{!8, !7, !9}
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!9 = !{!"llvm.loop.pipeline.disable", i1 true}
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