Zaara Syeda e49dd688ba Re-commit : [PowerPC] Add handling for ColdCC calling convention and a pass to mark ... candidates with coldcc attribute. This recommits r322721 reverted due to sanitizer memory leak build bot failures. Original commit message: This patch adds support for the coldcc calling convention for Power. This changes the set of non-volatile registers. It includes a pass to stress test the implementation by marking all static directly called functions with the coldcc attribute through the option -enable-coldcc-stress-test. It also includes an option, -ppc-enable-coldcc, to add the coldcc attribute to functions which are cold at all call sites based on BlockFrequencyInfo when the containing function does not call any non cold functions. Differential Revision: https://reviews.llvm.org/D38413 llvm-svn: 323778		2018-01-30 16:17:22 +00:00
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coldcc_coldsites.ll
lit.local.cfg