Disable a large test for EXPENSIVE_CHECKS and debug build

[jasonliu]

Summary

When running a large test in LLVM_ENABLE_EXPENSIVE_CHECKS=ON mode, buildbot could hit timeout.
Disable the test when this mode is on.
Also disable it for debug so that the test won't hang for too long.

[hubert.reinterpretcast]

llvm/test/CodeGen/PowerPC/aix-overflow-toc.py

1

Let's also disable this for debug builds (we were told it takes too long at 30 seconds).

[hubert.reinterpretcast]

LGTM (given similar handling for debug builds). Thanks @jasonliu for finding a way to disable this selectively.

[jasonliu]

Added debug

llvm/test/CMakeLists.txt

llvm_canonicalize_cmake_booleans(
   LLVM_LINK_LLVM_DYLIB
   LLVM_TOOL_LTO_BUILD
   LLVM_USE_INTEL_JITEVENTS
   LLVM_BUILD_EXAMPLES
   LLVM_ENABLE_PLUGINS
   LLVM_BYE_LINK_INTO_TOOLS
   LLVM_HAVE_TF_AOT
   LLVM_HAVE_TF_API
+  LLVM_ENABLE_EXPENSIVE_CHECKS
   )
 
 configure_lit_site_cfg(
   ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
   ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
   MAIN_CONFIG
   ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
   PATHS

llvm/test/CodeGen/PowerPC/aix-overflow-toc.py

-# REQUIRES: system-aix || system-linux
+# UNSUPPORTED: expensive_checks
 
 # RUN: python %s > %t.ll
 # RUN: llc -mtriple powerpc-ibm-aix-xcoff -code-model=small -mcpu=pwr4 -mattr=-altivec -O0 < %t.ll | \
 # RUN:   FileCheck --check-prefix=ASM32 %s
 
 # RUN: llc -mtriple powerpc64-ibm-aix-xcoff -code-model=small -mcpu=pwr4 -mattr=-altivec -O0 < %t.ll | \
 # RUN:   FileCheck --check-prefix=ASM64 %s
 

llvm/test/lit.cfg.py

 if config.enable_threads:
     config.available_features.add('thread_support')
 
 if config.have_libxml2:
     config.available_features.add('libxml2')
 
 if config.have_opt_viewer_modules:
     config.available_features.add('have_opt_viewer_modules')
+
+if config.expensive_checks:
+    config.available_features.add('expensive_checks')

llvm/test/lit.site.cfg.py.in

 config.llvm_host_triple = '@LLVM_HOST_TRIPLE@'
 config.host_arch = "@HOST_ARCH@"
 config.have_opt_viewer_modules = @LLVM_HAVE_OPT_VIEWER_MODULES@
 config.libcxx_used = @LLVM_LIBCXX_USED@
 config.has_plugins = @LLVM_ENABLE_PLUGINS@
 config.linked_bye_extension = @LLVM_BYE_LINK_INTO_TOOLS@
 config.have_tf_aot = @LLVM_HAVE_TF_AOT@
 config.have_tf_api = @LLVM_HAVE_TF_API@
+config.expensive_checks = @LLVM_ENABLE_EXPENSIVE_CHECKS@
 
 # Support substitution of the tools_dir with user parameters. This is
 # used when we can't determine the tool dir at configuration time.
 try:
     config.llvm_tools_dir = config.llvm_tools_dir % lit_config.params
     config.llvm_shlib_dir = config.llvm_shlib_dir % lit_config.params
 except KeyError:
     e = sys.exc_info()[1]