[PATCH] D72788: TableGen/GlobalISel: Handle non-leaf EXTRACT_SUBREG
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 15 10:22:18 PST 2020
arsenm created this revision.
arsenm added reviewers: dsanders, paquette, igorb, craig.topper, aemerson, aditya_nandakumar.
Herald added subscribers: Petar.Avramovic, rovka, wdng.
Herald added a project: LLVM.
This previously only handled EXTRACT_SUBREGs from leafs, such as
operands directly in the original output. Handle extracting from a
result instruction.
https://reviews.llvm.org/D72788
Files:
llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
llvm/test/CodeGen/X86/GlobalISel/select-copy.mir
llvm/test/CodeGen/X86/GlobalISel/select-ext.mir
llvm/test/CodeGen/X86/GlobalISel/shl-scalar-widening.ll
llvm/test/CodeGen/X86/GlobalISel/x86-select-sdiv.mir
llvm/test/CodeGen/X86/GlobalISel/x86_64-select-zext.mir
llvm/test/TableGen/GlobalISelEmitterSubreg.td
llvm/utils/TableGen/GlobalISelEmitter.cpp
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