[PATCH] D126893: [RISCV] simplify emitVSETVLIs handling of vsetvli xN, phi(), vtype case [NFC]

Philip Reames via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 3 07:54:47 PDT 2022


reames added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp:1135
           insertVSETVLI(MBB, MI, NewInfo, CurInfo);
-          CurInfo = NewInfo;
-        }
+        PrefixTransparent = true;
+        CurInfo = NewInfo;
----------------
frasercrmck wrote:
> craig.topper wrote:
> > Why is this one `true`? If we insert a vsetvli in the body of the above if, don't we need to not use needVSETVLIPHI in the future?
> I was also wondering that.
Because that's a flat out bug in the patch.  Oops!

Fixed in the new version.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126893/new/

https://reviews.llvm.org/D126893



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