1 files changed, 12 insertions, 3 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index c056e1af588..06414c27318 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -21,6 +21,7 @@
 #include "llvm/CodeGen/CallingConvLower.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/IR/DiagnosticInfo.h"
@@ -998,9 +999,17 @@ WebAssemblyTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
   default:
     return {}; // Don't custom lower most intrinsics.
 
-  case Intrinsic::wasm_lsda:
-    // TODO For now, just return 0 not to crash
-    return DAG.getConstant(0, DL, Op.getValueType());
+  case Intrinsic::wasm_lsda: {
+    MachineFunction &MF = DAG.getMachineFunction();
+    EVT VT = Op.getValueType();
+    const TargetLowering &TLI = DAG.getTargetLoweringInfo();
+    MVT PtrVT = TLI.getPointerTy(DAG.getDataLayout());
+    auto &Context = MF.getMMI().getContext();
+    MCSymbol *S = Context.getOrCreateSymbol(Twine("GCC_except_table") +
+                                            Twine(MF.getFunctionNumber()));
+    return DAG.getNode(WebAssemblyISD::Wrapper, DL, VT,
+                       DAG.getMCSymbol(S, PtrVT));
+  }
   }
 }