[PATCH] D146781: [Webassembly] consider invalid CALL_S in removeRegisterOperands

[Congcong Cai via Phabricator via llvm-commits]

HerrCai0907 updated this revision to Diff 508995.
HerrCai0907 added a comment.

detail fix see https://reviews.llvm.org/D147033, only add assert in this patch to avoid further spread of errors


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146781/new/

https://reviews.llvm.org/D146781

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp


Index: llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
===================================================================
--- llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
+++ llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
@@ -300,4 +300,6 @@
       OutMI.erase(&MO);
     }
   }
+  // CALL_S should at least have 1 operand, otherwise this code is invalid.
+  assert(!(StackOpcode == WebAssembly::CALL_S && OutMI.getNumOperands() == 0));
 }


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