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CodeGen: Refactor regallocator command line and target selection

Authored by arsenm on Mar 19 2019, 12:33 PM.

Description

CodeGen: Refactor regallocator command line and target selection

This will allow targets more flexibility to replace the
register allocator core passes. In a future commit,
AMDGPU will run the core register assignment passes
twice, and will also want to disallow using the
standard -regalloc option.

llvm-svn: 356506

Details

Committed
arsenmMar 19 2019, 12:33 PM
Parents
rGf7b43230b844: Revert "[libc++] Build <filesystem> support as part of the dylib"
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