1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/DisassemblerEmitter.cpp b/llvm/utils/TableGen/DisassemblerEmitter.cpp
index 971ad6ad779..b99a0a973a2 100644
--- a/llvm/utils/TableGen/DisassemblerEmitter.cpp
+++ b/llvm/utils/TableGen/DisassemblerEmitter.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "CodeGenTarget.h"
+#include "WebAssemblyDisassemblerEmitter.h"
 #include "X86DisassemblerTables.h"
 #include "X86RecognizableInstr.h"
 #include "llvm/TableGen/Error.h"
@@ -125,6 +126,14 @@ void EmitDisassembler(RecordKeeper &Records, raw_ostream &OS) {
     return;
   }
 
+  // WebAssembly has variable length opcodes, so can't use EmitFixedLenDecoder
+  // below (which depends on a Size table-gen Record), and also uses a custom
+  // disassembler.
+  if (Target.getName() == "WebAssembly") {
+    emitWebAssemblyDisassemblerTables(OS, Target.getInstructionsByEnumValue());
+    return;
+  }
+
   // ARM and Thumb have a CHECK() macro to deal with DecodeStatuses.
   if (Target.getName() == "ARM" || Target.getName() == "Thumb" ||
       Target.getName() == "AArch64" || Target.getName() == "ARM64") {