diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index 2f9f9e096ba4..c8eb37b30adf 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -6544,6 +6544,12 @@ pub const FuncGen = struct { const jmp_table: ?SwitchDispatchInfo.JmpTable = jmp_table: { if (!is_dispatch_loop) break :jmp_table null; + + // Workaround for: + // * https://github.com/llvm/llvm-project/blob/56905dab7da50bccfcceaeb496b206ff476127e1/llvm/lib/MC/WasmObjectWriter.cpp#L560 + // * https://github.com/llvm/llvm-project/blob/56905dab7da50bccfcceaeb496b206ff476127e1/llvm/test/MC/WebAssembly/blockaddress.ll + if (zcu.comp.getTarget().isWasm()) break :jmp_table null; + // On a 64-bit target, 1024 pointers in our jump table is about 8K of pointers. This seems just // about acceptable - it won't fill L1d cache on most CPUs. const max_table_len = 1024;