1 files changed, 27 insertions, 5 deletions
diff --git a/lib/Basic/Targets/WebAssembly.cpp b/lib/Basic/Targets/WebAssembly.cpp
index 915aad4b563b..b8a2a092aff4 100644
--- a/lib/Basic/Targets/WebAssembly.cpp
+++ b/lib/Basic/Targets/WebAssembly.cpp
@@ -29,19 +29,25 @@ const Builtin::Info WebAssemblyTargetInfo::BuiltinInfo[] = {
 #include "clang/Basic/BuiltinsWebAssembly.def"
 };
 
+static constexpr llvm::StringLiteral ValidCPUNames[] = {
+    {"mvp"}, {"bleeding-edge"}, {"generic"}};
+
 bool WebAssemblyTargetInfo::hasFeature(StringRef Feature) const {
   return llvm::StringSwitch<bool>(Feature)
       .Case("simd128", SIMDLevel >= SIMD128)
       .Case("nontrapping-fptoint", HasNontrappingFPToInt)
+      .Case("sign-ext", HasSignExt)
+      .Case("exception-handling", HasExceptionHandling)
       .Default(false);
 }
 
 bool WebAssemblyTargetInfo::isValidCPUName(StringRef Name) const {
-  return llvm::StringSwitch<bool>(Name)
-      .Case("mvp", true)
-      .Case("bleeding-edge", true)
-      .Case("generic", true)
-      .Default(false);
+  return llvm::find(ValidCPUNames, Name) != std::end(ValidCPUNames);
+}
+
+void WebAssemblyTargetInfo::fillValidCPUList(
+    SmallVectorImpl<StringRef> &Values) const {
+  Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
 }
 
 void WebAssemblyTargetInfo::getTargetDefines(const LangOptions &Opts,
@@ -70,6 +76,22 @@ bool WebAssemblyTargetInfo::handleTargetFeatures(
       HasNontrappingFPToInt = false;
       continue;
     }
+    if (Feature == "+sign-ext") {
+      HasSignExt = true;
+      continue;
+    }
+    if (Feature == "-sign-ext") {
+      HasSignExt = false;
+      continue;
+    }
+    if (Feature == "+exception-handling") {
+      HasExceptionHandling = true;
+      continue;
+    }
+    if (Feature == "-exception-handling") {
+      HasExceptionHandling = false;
+      continue;
+    }
 
     Diags.Report(diag::err_opt_not_valid_with_opt)
         << Feature << "-target-feature";