[WebAssembly] Suffix output operands with '='.

[oota-llvm.git] / lib / Target / WebAssembly / InstPrinter / WebAssemblyInstPrinter.cpp

diff --git a/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp b/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
index a53a7cd2ed6ec6bf5eab2f4a2a38ab082e9074ab..d5ffcbb411a9399e24f436df7f6aca8a20c88cab 100644 (file)
--- a/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
+++ b/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
@@ -90,6 +90,9 @@ void WebAssemblyInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
       O << "$push" << (WAReg & INT32_MAX);
     else
       O << "$discard";
+    // Add a '=' suffix if this is a def.
+    if (OpNo < MII.get(MI->getOpcode()).getNumDefs())
+      O << '=';
   } else if (Op.isImm()) {
     switch (MI->getOpcode()) {
     case WebAssembly::PARAM: