ValueTracking: Avoid calling computeKnownFPClass on matched constant (#173248)
The fmul case already tries to match a literal value, we don't
need to match it twice.
[VPlan] Support binary add/sub in getSCEVExprForVPValue. (NFCI)
Handle binary add/sub in getSCEVExprForVPValue. This means we are able
to compute more replicate recipe costs in the VPlan cost model. It
should produce the same costs.
Import openresolv-3.17.4 with the following changes:
* libc: Don't use basename as it could be in /usr/bin which breaks early boot.
* resolvconf: Fix key name limitations
Fixes PR bin/59863
Update to openresolv-3.17.4 with the following changes:
* libc: Don't use basename as it could be in /usr/bin which breaks early boot
* resolvconf: Fix key name limitations
ValueTracking: Avoid calling computeKnownFPClass on matched constant
The fmul case already tries to match a literal value, we don't
need to match it twice.
ValueTracking: Improve computeKnownFPClass fmul handling (#173247)
Improve known non-nan sign bit tracking. Handle cases with
a known 0 or inf input of indeterminate sign.
The tails of some library functions have sign management
for special cases.
[SLP]Recalculate dependencies for all cleared entries
Need to recalculate the dependencies for all cleared items to avoid
a crash, if the entry is used in other vector nodes
Fixes #173469
InstCombine: Handle exp/exp2/exp10 in SimplifyDemandedFPClass
I'm working on optimizing out the tail sequences in the
implementations of the 4 different flavors of pow. These
include chains of selects on the various edge cases.
Related to #64870
ValueTracking: Add baseline tests for computeKnownFPClass exp
This is already handled, but misses opportunities. Test cases
where the input is known positive or negative.
ValueTracking: Avoid calling computeKnownFPClass on matched constant
The fmul case already tries to match a literal value, we don't
need to match it twice.
ValueTracking: Improve computeKnownFPClass fmul handling
Improve known non-nan sign bit tracking. Handle cases with
a known 0 or inf input of indeterminate sign.
The tails of some library functions have sign management
for special cases.
InstCombine: Handle canonicalize in SimplifyDemandedFPClass
Doesn't try to handle PositiveZero flushing mode, but I
don't believe it is incorrect with it.
