[PATCH] D147732: [AMDGPU] Add type mangling for {read, write, readfirst, perm}lane intrinsics

Matt Arsenault via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 6 12:25:47 PDT 2023


arsenm requested changes to this revision.
arsenm added inline comments.
This revision now requires changes to proceed.
Herald added a subscriber: wangpc.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPULateCodeGenPrepare.cpp:187
 
+Value *AMDGPULateCodeGenPrepare::buildLegalLaneIntrinsic(
+    IRBuilder<> &B, Intrinsic::ID IID, Value *Data0, Value *Data1, Value *Lane0,
----------------
You're not relying on this for correctness are you? This is an optimization pass, you can't lower here. You also shouldn't need to handle this in the IR, it should codegen normally 


Repository:
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  https://reviews.llvm.org/D147732/new/

https://reviews.llvm.org/D147732



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