diff options
Diffstat (limited to 'src/codegen/llvm.zig')
| -rw-r--r-- | src/codegen/llvm.zig | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index bd2807d1bb..8daffaefe0 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -1279,8 +1279,18 @@ pub const Object = struct { const llvm_global = self.decl_map.get(decl_index) orelse return; const decl = module.declPtr(decl_index); if (decl.isExtern()) { - llvm_global.setValueName(decl.name); - if (self.getLlvmGlobal(decl.name)) |other_global| { + const is_wasm_fn = module.getTarget().isWasm() and try decl.isFunction(); + const mangle_name = is_wasm_fn and + decl.getExternFn().?.lib_name != null and + !std.mem.eql(u8, std.mem.sliceTo(decl.getExternFn().?.lib_name.?, 0), "c"); + const decl_name = if (mangle_name) name: { + const tmp = try std.fmt.allocPrintZ(module.gpa, "{s}|{s}", .{ decl.name, decl.getExternFn().?.lib_name.? }); + break :name tmp.ptr; + } else decl.name; + defer if (mangle_name) module.gpa.free(std.mem.sliceTo(decl_name, 0)); + + llvm_global.setValueName(decl_name); + if (self.getLlvmGlobal(decl_name)) |other_global| { if (other_global != llvm_global) { log.debug("updateDeclExports isExtern()=true setValueName({s}) conflict", .{decl.name}); try self.extern_collisions.put(module.gpa, decl_index, {}); |