Closed llvmbot closed 2 years ago
mentioned in issue llvm/llvm-bugzilla-archive#45824
The tests we have indeed did go green. Thanks for the fix!
Fixed in r336325. Please confirm. Thanks.
Here's the fix: https://reviews.llvm.org/D48920
Thanks for reporting.
assigned to @kosarev
Extended Description
The new VLDDUP operations inserted in https://reviews.llvm.org/D48439 are not handled in the target-specific DAG combine function.
ARMISelLowering.cpp::11443 - CombineBaseUpdate
How to reproduce: llc -debug < problem-9bb6ba.ll
Combining: t637: ch = TokenFactor t635:3, t636:3
Combining: t636: v4i16,v4i16,v4i16,ch = llvm.arm.neon.vld3lane<(load 24 from %ir.32, align 2)> t634, TargetConstant:i32<1048>, FrameIndex:i32<32>, t635, t635:1, t635:2, Constant:i32<0>, Constant:i32<2>
Combining: t635: v4i16,v4i16,v4i16,ch = llvm.arm.neon.vld3dup<(load 24 from %ir.33, align 2)> t634, TargetConstant:i32<1047>, FrameIndex:i32<33>, Constant:i32<2>
unexpected intrinsic for Neon base update UNREACHABLE executed at /work/bf/LLVM/local/src/lib/Target/ARM/ARMISelLowering.cpp:11483!