1 files changed, 12 insertions, 1 deletions
diff --git a/clang/lib/CIR/CodeGen/CIRGenExpr.cpp b/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
index 7ff5f26..64dc1ce 100644
--- a/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
@@ -949,7 +949,6 @@ LValue CIRGenFunction::emitCastLValue(const CastExpr *e) {
   case CK_Dynamic:
   case CK_ToUnion:
   case CK_BaseToDerived:
-  case CK_LValueBitCast:
   case CK_AddressSpaceConversion:
   case CK_ObjCObjectLValueCast:
   case CK_VectorSplat:
@@ -965,6 +964,18 @@ LValue CIRGenFunction::emitCastLValue(const CastExpr *e) {
     return {};
   }
 
+  case CK_LValueBitCast: {
+    // This must be a reinterpret_cast (or c-style equivalent).
+    const auto *ce = cast<ExplicitCastExpr>(e);
+
+    cgm.emitExplicitCastExprType(ce, this);
+    LValue LV = emitLValue(e->getSubExpr());
+    Address V = LV.getAddress().withElementType(
+        builder, convertTypeForMem(ce->getTypeAsWritten()->getPointeeType()));
+
+    return makeAddrLValue(V, e->getType(), LV.getBaseInfo());
+  }
+
   case CK_NoOp: {
     // CK_NoOp can model a qualification conversion, which can remove an array
     // bound and change the IR type.