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Simon Dardis
a99b8023bb
[mips] Compact branch policy control for MIPSR6
This patch adds the commandline option -mips-compact-branches={never,optimal,always), which controls how LLVM generates compact branches for MIPS targets. By default, the compact branch policy is 'optimal' where LLVM will (hopefully) pick the optimal branch for any situation. The 'never' policy will disable the generation of compact branches and 'always' will generate compact branches wherever possible. Reviewers: dsanders Differential Review: http://reviews.llvm.org/D20167 llvm-svn: 269753
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