[PATCH] D151288: [MIPS] Check if register is non-null before calling isSuperOrSubRegisterEq (NFCI)

[Sergei Barannikov via Phabricator via llvm-commits]

barannikov88 updated this revision to Diff 525040.
barannikov88 added a comment.

Rebase onto 8e16365c <https://reviews.llvm.org/rG8e16365cb6162a29a2a8d26f2d5f0081a651d73a> to make the bot green again


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151288/new/

https://reviews.llvm.org/D151288

Files:
  llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp


Index: llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
===================================================================
--- llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -3087,6 +3087,7 @@
         MipsMCExpr::create(MipsMCExpr::MEK_HIGHER, SymExpr, getContext());
 
     bool RdRegIsRsReg =
+        SrcReg &&
         getContext().getRegisterInfo()->isSuperOrSubRegisterEq(DstReg, SrcReg);
 
     if (canUseATReg() && UseSrcReg && RdRegIsRsReg) {


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