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<p class="MsoNormal">Intrinsic headers have been broken up into smaller files. Now you need to include the target-specific intrinsic header, e.g. IntrinsicsRISCV.h.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:Consolas">Krzysztof Parzyszek
<a href="mailto:kparzysz@quicinc.com"><span style="color:#0563C1">kparzysz@quicinc.com</span></a> AI tools development<o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> llvm-dev <llvm-dev-bounces@lists.llvm.org> <b>On Behalf Of
</b>David Jones via llvm-dev<br>
<b>Sent:</b> Wednesday, May 6, 2020 1:08 PM<br>
<b>To:</b> llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Subject:</b> [EXT] [llvm-dev] Issues porting intrinsics to LLVM 10<o:p></o:p></p>
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<p class="MsoNormal">I am maintaining proprietary extensions to the RISCV backend for our custom application.<o:p></o:p></p>
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<p class="MsoNormal">I have defined intrinsics for many of the custom instructions. Against LLVM 7 this was working well.<o:p></o:p></p>
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<p class="MsoNormal">When I try to merge my changes into LLVM 10, I get:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">/home/dej/work/llvm_git/llvm-project/llvm/build/lib/Target/RISCV/RISCVGenGlobalISel.inc:11582:60: error: ‘idaho_mt_begin’ is not a member of ‘llvm::Intrinsic’<br>
GIM_CheckIntrinsicID, /*MI*/0, /*Op*/0, Intrinsic::idaho_mt_begin,</span><o:p></o:p></p>
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<p class="MsoNormal">This intrinsic is defined pretty simply:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">let TargetPrefix = "idaho" in {<br>
def int_idaho_mt_begin : Intrinsic<[], [llvm_ptr_ty,llvm_i64_ty], []>;</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">}</span><o:p></o:p></p>
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<p class="MsoNormal">With LLVM 7, I notice that build/include/llvm/IntrinsicEnums.inc contains an entry for each intrinsic in the system. This is no longer the case for LLVM 10: there are only 277 definitions in the file. It seems that LLVM 10 imposes some
filter condition where it deems inclusion in the IntrinsicEnums.inc unnecessary.<o:p></o:p></p>
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<p class="MsoNormal">The other thing I notice: GlobalISel was not built (by default) in LLVM 7, but it is for LLVM 10. This is the entity referencing the enums.<o:p></o:p></p>
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<p class="MsoNormal">I tried renaming my intrinsics to replace "idaho" with "riscv" speculating that this was the filtering condition, but that did not make any difference.<o:p></o:p></p>
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<p class="MsoNormal">What has changed?<o:p></o:p></p>
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