52 lines
2.0 KiB
LLVM
52 lines
2.0 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt -loop-vectorize -dce -instcombine -mtriple riscv64-linux-gnu \
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; RUN: -mattr=+v -debug-only=loop-vectorize \
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; RUN: -riscv-v-vector-bits-min=128 -S < %s 2>&1 | FileCheck %s
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; CHECK-LABEL: foo
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; CHECK: LV: IC is 2
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; CHECK: %{{.*}} = add <4 x i32> %{{.*}}, <i32 4, i32 4, i32 4, i32 4>
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; CHECK: %{{.*}} = add {{.*}}, 8
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; Function Attrs: nofree norecurse nosync nounwind writeonly
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define dso_local void @foo(i32 signext %n, i32* nocapture %A) local_unnamed_addr #0 {
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entry:
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%cmp5 = icmp sgt i32 %n, 0
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br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader: ; preds = %entry
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%wide.trip.count = zext i32 %n to i64
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br label %for.body
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for.cond.cleanup.loopexit: ; preds = %for.body
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br label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
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ret void
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%0 = trunc i64 %indvars.iv to i32
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store i32 %0, i32* %arrayidx, align 4, !tbaa !4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body, !llvm.loop !8
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}
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attributes #0 = { nofree norecurse nosync nounwind writeonly "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+a,+c,+m,+relax,-save-restore" }
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!llvm.module.flags = !{!0, !1, !2}
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!llvm.ident = !{!3}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 1, !"target-abi", !"lp64"}
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!2 = !{i32 1, !"SmallDataLimit", i32 8}
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!3 = !{!"clang version 13.0.0"}
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!4 = !{!5, !5, i64 0}
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!5 = !{!"int", !6, i64 0}
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!6 = !{!"omnipotent char", !7, i64 0}
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!7 = !{!"Simple C/C++ TBAA"}
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!8 = distinct !{!8, !9}
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!9 = !{!"llvm.loop.mustprogress"}
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