[PATCH] D98918: [clang][lit] Allow test cases to use the compiler that are used to compile Clang

[Ella Ma via Phabricator via cfe-commits]

OikawaKirie created this revision.
OikawaKirie added reviewers: thakis, steakhal.
OikawaKirie added a project: clang.
OikawaKirie requested review of this revision.
Herald added a subscriber: cfe-commits.

Required by D83660 <https://reviews.llvm.org/D83660>. Test cases may want to use the host compiler to compile some mocks for the test case. This patch adds two substitutions `%host_cc` and `%host_cxx` to use the host compilers set via variable `CMAKE_C_COMPILER` and `CMAKE_CXX_COMPILER`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98918

Files:
  clang/test/lit.cfg.py
  clang/test/lit.site.cfg.py.in


Index: clang/test/lit.site.cfg.py.in
===================================================================
--- clang/test/lit.site.cfg.py.in
+++ clang/test/lit.site.cfg.py.in
@@ -15,6 +15,7 @@
 config.clang_tools_dir = path(r"@CLANG_TOOLS_DIR@")
 config.host_triple = "@LLVM_HOST_TRIPLE@"
 config.target_triple = "@TARGET_TRIPLE@"
+config.host_cc = "@CMAKE_C_COMPILER@"
 config.host_cxx = "@CMAKE_CXX_COMPILER@"
 config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
 config.have_zlib = @LLVM_ENABLE_ZLIB@
Index: clang/test/lit.cfg.py
===================================================================
--- clang/test/lit.cfg.py
+++ clang/test/lit.cfg.py
@@ -92,6 +92,9 @@
     ('%hmaptool', "'%s' %s" % (config.python_executable,
                              os.path.join(config.clang_tools_dir, 'hmaptool'))))
 
+config.substitutions.append(('%host_cc', config.host_cc))
+config.substitutions.append(('%host_cxx', config.host_cxx))
+
 
 # Plugins (loadable modules)
 if config.has_plugins and config.llvm_plugin_ext:


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