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Commit a1f20fcc authored by Sebastian Pop's avatar Sebastian Pop
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HotColdSplitting: check that target supports cold calling convention 

Before tagging a function with coldcc make sure the target supports cold calling
convention. Without this patch HotColdSplitting pass fails on aarch64 with:

  fatal error: error in backend: Unsupported calling convention.

llvm-svn: 341838
parent 6284b54c
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