[WebAssembly] Add WebAssemblyMCInstLower.cpp.

This isn't used yet; it's just a start towards eventually using MC to
do instruction printing, and eventually binary encoding.

llvm-svn: 252194

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
index 0644fd80bdf..fcd4c293f63 100644
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp
@@ -40,6 +40,12 @@ static MCAsmInfo *createWebAssemblyMCAsmInfo(const MCRegisterInfo &MRI,
   return new WebAssemblyMCAsmInfo(TT);
 }
 
+static MCInstrInfo *createWebAssemblyMCInstrInfo() {
+  MCInstrInfo *X = new MCInstrInfo();
+  InitWebAssemblyMCInstrInfo(X);
+  return X;
+}
+
 static MCInstPrinter *
 createWebAssemblyMCInstPrinter(const Triple &T, unsigned SyntaxVariant,
                                const MCAsmInfo &MAI, const MCInstrInfo &MII,
@@ -54,6 +60,9 @@ extern "C" void LLVMInitializeWebAssemblyTargetMC() {
     // Register the MC asm info.
     RegisterMCAsmInfoFn X(*T, createWebAssemblyMCAsmInfo);
 
+    // Register the MC instruction info.
+    TargetRegistry::RegisterMCInstrInfo(*T, createWebAssemblyMCInstrInfo);
+
     // Register the MCInstPrinter.
     TargetRegistry::RegisterMCInstPrinter(*T, createWebAssemblyMCInstPrinter);
   }