George Burgess IV d7958d5ac0 Don't crash when we see unallocatable registers in clobbers
This fixes a bug where we'd crash given code like the test-case from
https://bugs.llvm.org/show_bug.cgi?id=30792 . Instead, we let the
offending clobber silently slide through.

This doesn't fully fix said bug, since the assembler will still complain
the moment it sees a crypto/fp/vector op, and we still don't diagnose
calls that require vector regs.

Differential Revision: https://reviews.llvm.org/D39030


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316374 91177308-0d34-0410-b5e6-96231b3b80d8
2017-10-23 20:46:36 +00:00
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2017-10-19 01:32:18 +00:00
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