Teach LoopUnrollPass to respect loop unrolling hints in metadata.

Description

Teach LoopUnrollPass to respect loop unrolling hints in metadata.

[This is resubmitting r210721, which was reverted due to suspected breakage
which turned out to be unrelated].

Some extra review comments were addressed. See D4090 and D4147 for more details.

The Clang change that produces this metadata was committed in r210667

Patch by Mark Heffernan.

Details

Committed
elibenJun 16 2014, 4:53 PM
Parents
rL211075: Use the integrated assembler by default on OpenBSD/powerpc.
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