[PATCH] D64990: [clangd] Disable background-index on lit-tests by default

Kadir Cetinkaya via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Jul 19 06:29:47 PDT 2019

kadircet created this revision.
kadircet added a reviewer: sammccall.
Herald added subscribers: cfe-commits, arphaman, jkorous, MaskRay, ilya-biryukov.
Herald added a project: clang.

Since background-index can perform disk writes, we don't want to turn
it on tests that won't clear it.

  rG LLVM Github Monorepo



Index: clang-tools-extra/clangd/tool/ClangdMain.cpp
--- clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -355,6 +355,9 @@
     InputStyle = JSONStreamStyle::Delimited;
     LogLevel = Logger::Verbose;
     PrettyPrint = true;
+    // Disable background index on lit tests by default to prevent disk writes.
+    if (!EnableBackgroundIndex.getNumOccurrences())
+      EnableBackgroundIndex = false;
     // Ensure background index makes progress.

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