From 872bf680011a71b73e9bd353449d9c42ebf6b8f6 Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Wed, 9 Dec 2020 17:10:17 -0800
Subject: [PATCH] Default CodeGenOptions::LegacyPassManager to
 !LLVM_ENABLE_NEW_PASS_MANAGER

Fixes test/CodeGen/flatten.c
---
 clang/include/clang/Driver/Options.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index fae9c1d..725afc7 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1352,7 +1352,7 @@ def fglobal_isel : Flag<["-"], "fglobal-isel">, Group<f_clang_Group>,
 def fexperimental_isel : Flag<["-"], "fexperimental-isel">, Group<f_clang_Group>,
   Alias<fglobal_isel>;
 defm legacy_pass_manager : BooleanMarshalledFFlag<"legacy-pass-manager", "CodeGenOpts.LegacyPassManager",
-  "static_cast<unsigned>(LLVM_ENABLE_NEW_PASS_MANAGER)", "Use the legacy pass manager in LLVM",
+  "!static_cast<unsigned>(LLVM_ENABLE_NEW_PASS_MANAGER)", "Use the legacy pass manager in LLVM",
   "Use the new pass manager in LLVM">, Group<f_clang_Group>, Flags<[CC1Option]>;
 def fexperimental_new_pass_manager : Flag<["-"], "fexperimental-new-pass-manager">,
   Group<f_clang_Group>, Flags<[CC1Option]>, Alias<fno_legacy_pass_manager>;
-- 
2.7.4