1; RUN: llc -O2 -mtriple=hexagon -enable-pipeliner \ 2; RUN: -debug-only=pipeliner < %s 2>&1 > /dev/null | FileCheck %s 3; REQUIRES: asserts 4; 5; Test that the pragma check that disables pipeliner does not disable pipelining 6; on both the loops. 7; CHECK: Can not pipeline loop 8; CHECK-NOT: Can not pipeline loop 9 10; Function Attrs: nofree norecurse nounwind 11define dso_local i32 @foo(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture %c) local_unnamed_addr #0 { 12entry: 13 br label %for.body 14 15for.body: ; preds = %for.body, %entry 16 %i.023 = phi i32 [ 0, %entry ], [ %inc, %for.body ] 17 %arrayidx = getelementptr inbounds i32, ptr %b, i32 %i.023 18 %0 = load i32, ptr %arrayidx, align 4, !tbaa !2 19 %arrayidx1 = getelementptr inbounds i32, ptr %a, i32 %i.023 20 %1 = load i32, ptr %arrayidx1, align 4, !tbaa !2 21 %add = add nsw i32 %1, %0 22 store i32 %add, ptr %arrayidx1, align 4, !tbaa !2 23 %inc = add nuw nsw i32 %i.023, 1 24 %exitcond24 = icmp eq i32 %inc, 10 25 br i1 %exitcond24, label %for.body6, label %for.body, !llvm.loop !6 26 27for.cond.cleanup5: ; preds = %for.body6 28 ret i32 0 29 30for.body6: ; preds = %for.body, %for.body6 31 %i2.022 = phi i32 [ %inc11, %for.body6 ], [ 0, %for.body ] 32 %arrayidx7 = getelementptr inbounds i32, ptr %a, i32 %i2.022 33 %2 = load i32, ptr %arrayidx7, align 4, !tbaa !2 34 %arrayidx8 = getelementptr inbounds i32, ptr %c, i32 %i2.022 35 %3 = load i32, ptr %arrayidx8, align 4, !tbaa !2 36 %add9 = add nsw i32 %3, %2 37 store i32 %add9, ptr %arrayidx8, align 4, !tbaa !2 38 %inc11 = add nuw nsw i32 %i2.022, 1 39 %exitcond = icmp eq i32 %inc11, 10 40 br i1 %exitcond, label %for.cond.cleanup5, label %for.body6, !llvm.loop !8 41} 42 43attributes #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" } 44 45!llvm.module.flags = !{!0} 46!llvm.ident = !{!1} 47 48!0 = !{i32 1, !"wchar_size", i32 4} 49!1 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 6e29846b29d2bcaa8a7a3d869f24f242bd93d272)"} 50!2 = !{!3, !3, i64 0} 51!3 = !{!"int", !4, i64 0} 52!4 = !{!"omnipotent char", !5, i64 0} 53!5 = !{!"Simple C/C++ TBAA"} 54!6 = distinct !{!6, !7} 55!7 = !{!"llvm.loop.unroll.disable"} 56!8 = distinct !{!8, !7, !9} 57!9 = !{!"llvm.loop.pipeline.disable", i1 true} 58