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Commit 0d96f3dd authored by Saleem Abdulrasool's avatar Saleem Abdulrasool
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ARM: honour -f{no-,}optimize-sibling-calls 

Use the options in the ARMISelLowering to control whether tail calls are
optimised or not.  Previously, this option was entirely ignored on the ARM
target and only honoured on x86.

This option is mostly useful in profiling scenarios.  The default remains that
tail call optimisations will be applied.

llvm-svn: 203577
parent b720a6ba
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