Owen Anderson ac1d337386 Mark FMOV constant materialization as being as cheap as a move. ...

This prevents us from doing things like LICM'ing it out of a loop,
which is usually a net loss because we end up having to spill a
callee-saved FPR to accomodate it.

This does perturb instruction scheduling around this instruction,
so a number of tests had to be updated to account for it.

Reviewed By: t.p.northover

Differential Revision: https://reviews.llvm.org/D87316

2020-09-10 16:38:59 +00:00

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lit.local.cfg

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lsr-memcpy.ll

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lsr-memset.ll

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lsr-reuse.ll

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pr47329.ll

[LSR] Canonicalize a formula before insert it into the list

2020-09-08 13:14:53 +08:00

req-regs.ll

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small-constant.ll

Mark FMOV constant materialization as being as cheap as a move.

2020-09-10 16:38:59 +00:00

vscale-factor-out-constant.ll

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