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User Details
- User Since
- Nov 6 2021, 11:04 AM (71 w, 6 d)
Wed, Mar 22
Wed, Mar 22
goldstein.w.n added a comment to D142666: [DAGCombiner] Transform ABS(X) eq/ne 0/IntMin -> X eq/ne 0/IntMIn.
goldstein.w.n added a comment to D142666: [DAGCombiner] Transform ABS(X) eq/ne 0/IntMin -> X eq/ne 0/IntMIn.
Mon, Mar 20
Mon, Mar 20
goldstein.w.n added inline comments to D144492: [InstCombine] Support multiple comparisons in foldAllocaCmp().
goldstein.w.n added inline comments to D144492: [InstCombine] Support multiple comparisons in foldAllocaCmp().
Sat, Mar 18
Sat, Mar 18
goldstein.w.n added inline comments to D146347: [InstCombine] Improve transforms for `(mul X, Y)` -> `(shl X, log2(Y)`.
goldstein.w.n updated the diff for D146350: [InstCombine] More aggressively try and fold irem/idiv/mul into selects..
Rebase
goldstein.w.n updated the diff for D146349: [InstCombine] Make `FoldOpIntoSelect` handle non-constants and use condition to deduce constants..
Rebase
goldstein.w.n updated the diff for D146348: [InstCombine] Add more tests for folding irem/idiv/mul with select; NFC.
Rebase
goldstein.w.n updated the diff for D146347: [InstCombine] Improve transforms for `(mul X, Y)` -> `(shl X, log2(Y)`.
Propegate nuw flag
goldstein.w.n updated the diff for D146346: [InstCombine] Add tests for indirect mul by power of 2; NFC.
Add flag propegation test
goldstein.w.n updated the diff for D146350: [InstCombine] More aggressively try and fold irem/idiv/mul into selects..
Rebase
goldstein.w.n updated the diff for D146349: [InstCombine] Make `FoldOpIntoSelect` handle non-constants and use condition to deduce constants..
Rebase
goldstein.w.n updated the diff for D146348: [InstCombine] Add more tests for folding irem/idiv/mul with select; NFC.
Rebase
goldstein.w.n updated the diff for D146347: [InstCombine] Improve transforms for `(mul X, Y)` -> `(shl X, log2(Y)`.
Rebase
goldstein.w.n updated the diff for D146346: [InstCombine] Add tests for indirect mul by power of 2; NFC.
Put tests in canonical commuted form. Add multiuse tests
Fri, Mar 17
Fri, Mar 17
goldstein.w.n added reviewers for D146348: [InstCombine] Add more tests for folding irem/idiv/mul with select; NFC: nikic, spatel, majnemer.
goldstein.w.n added reviewers for D146347: [InstCombine] Improve transforms for `(mul X, Y)` -> `(shl X, log2(Y)`: nikic, spatel, majnemer.
goldstein.w.n retitled D146346: [InstCombine] Add tests for indirect mul by power of 2; NFC from Add tests for indirect mul by power of 2; NFC to [InstCombine] Add tests for indirect mul by power of 2; NFC.
goldstein.w.n requested review of D146346: [InstCombine] Add tests for indirect mul by power of 2; NFC.
Thu, Mar 16
Thu, Mar 16
goldstein.w.n added inline comments to D125717: [InstCombine] Optimize and of icmps with power-of-2 and contiguous masks.
goldstein.w.n added inline comments to D145299: [InstCombine] Generate better code for std::bit_ceil.
goldstein.w.n committed rG994cd986f1a3: [InstCombine] Add tests for combining (urem/srem (mul/shl X, Y), (mul/shl X… (authored by goldstein.w.n).
[InstCombine] Add tests for combining (urem/srem (mul/shl X, Y), (mul/shl X…
goldstein.w.n committed rGaba71f37d00c: [InstCombine] Add constant combines for `(urem/srem (mul X, Y), (mul X, Z))` (authored by goldstein.w.n).
[InstCombine] Add constant combines for `(urem/srem (mul X, Y), (mul X, Z))`
goldstein.w.n added a comment to D141653: [X86] Improve instruction ordering of constant `srl/shl` with `and` to get better and-masks.
goldstein.w.n added a comment to D145846: [InstCombine] enhance icmp with sub folds.
The new IR with and removes a use of the input variable, which is better for analysis.
"and" -> And (otherwise it looks like the conjugation, not the operator.
goldstein.w.n added inline comments to D145846: [InstCombine] enhance icmp with sub folds.
Wed, Mar 15
Wed, Mar 15
goldstein.w.n added a comment to D145220: [X86][InstCombine] Simplify some `pternlog` intrinsics.
ping.
goldstein.w.n added inline comments to D145221: [X86] Prefer `vpternlog` instead of `blendv` for `vselect` on masks..
LGTM.
goldstein.w.n added inline comments to D146121: [DAG] Move lshr narrowing from visitANDLike to SimplifyDemandedBits (WIP).
Mon, Mar 13
Mon, Mar 13
goldstein.w.n added inline comments to D143014: Add constant combines for `(urem/srem (mul X, Y), (mul X, Z))`.
goldstein.w.n updated the diff for D143417: [InstCombine] Add fold for `(rem (mul/shl X, Y), (mul/shl X, Z))` -> `(mul X, (rem Y, Z))`.
Rebase
goldstein.w.n updated the diff for D144225: [InstCombine] Add constant combines for `(urem/srem (shl X, Y), (shl X, Z))`.
Rebase
goldstein.w.n updated the diff for D143014: Add constant combines for `(urem/srem (mul X, Y), (mul X, Z))`.
Fix nits
goldstein.w.n updated the diff for D143013: [InstCombine] Add tests for combining (urem/srem (mul/shl X, Y), (mul/shl X, Z)); NFC.
Rebase
Wed, Mar 8
Wed, Mar 8
goldstein.w.n committed rG8ac8c579e214: [X86] Add masked predicate execution variants for instructions in… (authored by goldstein.w.n).
[X86] Add masked predicate execution variants for instructions in…
goldstein.w.n committed rG6b29a6f27d40: [X86] Add support for using Sched/Codesize information to `X86FixupInstTuning`… (authored by goldstein.w.n).
[X86] Add support for using Sched/Codesize information to `X86FixupInstTuning`…
goldstein.w.n committed rG6dbf894b8066: [X86] Add ICX target in `unpckpd` tuning tests; NFC (authored by goldstein.w.n).
[X86] Add ICX target in `unpckpd` tuning tests; NFC
Tue, Mar 7
Tue, Mar 7
goldstein.w.n updated the diff for D144763: [X86] Add masked predicate execution variants for instructions in X86FixupInstTuning.
Rebase
goldstein.w.n updated the diff for D144570: [X86] Add support for using Sched/Codesize information to `X86FixupInstTuning` Pass..
Add common check for AVX2
goldstein.w.n updated the diff for D145531: [X86] Add ICX target in `unpckpd` tuning tests; NFC.
Rebase
goldstein.w.n added reviewers for D145531: [X86] Add ICX target in `unpckpd` tuning tests; NFC: RKSimon, pengfei.
goldstein.w.n updated the diff for D144763: [X86] Add masked predicate execution variants for instructions in X86FixupInstTuning.
Rebase
goldstein.w.n updated the diff for D144570: [X86] Add support for using Sched/Codesize information to `X86FixupInstTuning` Pass..
Nit + ICX
goldstein.w.n added a comment to D144570: [X86] Add support for using Sched/Codesize information to `X86FixupInstTuning` Pass..
goldstein.w.n requested review of D145531: [X86] Add ICX target in `unpckpd` tuning tests; NFC.
Mon, Mar 6
Mon, Mar 6
goldstein.w.n committed rGc1ecd0a3f49a: [DAGCombiner] Add fold for `~x + x` -> `-1` (authored by goldstein.w.n).
[DAGCombiner] Add fold for `~x + x` -> `-1`
goldstein.w.n committed rGd4b24b4a5582: [DAGCombiner] Add fold for `~x & x` -> `0` (authored by goldstein.w.n).
[DAGCombiner] Add fold for `~x & x` -> `0`
goldstein.w.n committed rGc622c1383abb: [X86] Add test for `~x & x` -> `0` and `~x + x` -> `-1` in DAG Lowering; NFC (authored by goldstein.w.n).
[X86] Add test for `~x & x` -> `0` and `~x + x` -> `-1` in DAG Lowering; NFC
goldstein.w.n committed rG5a3d9e06170a: [InstCombine] Transform `(shift X,Or(Y,BitWidth-1))` -> `(shift X,BitWidth-1)` (authored by goldstein.w.n).
[InstCombine] Transform `(shift X,Or(Y,BitWidth-1))` -> `(shift X,BitWidth-1)`
goldstein.w.n committed rG9bb409ff1d0c: [InstCombine] Add tests for transform `(shift X,(Or Y, BitWidth-1))`; NFC (authored by goldstein.w.n).
[InstCombine] Add tests for transform `(shift X,(Or Y, BitWidth-1))`; NFC
goldstein.w.n committed rG46864f3b68f7: [InstSimplify] Simplify `(shl nsw nuw X, BitWidth - 1)` -> `0` (authored by goldstein.w.n).
[InstSimplify] Simplify `(shl nsw nuw X, BitWidth - 1)` -> `0`
goldstein.w.n committed rGa1771ad1d512: [InstSimplify] Add tests for `(shl nuw nsw X, BitWidth - 1)` -> `0`; NFC (authored by goldstein.w.n).
[InstSimplify] Add tests for `(shl nuw nsw X, BitWidth - 1)` -> `0`; NFC
goldstein.w.n committed rGe2079e896aa1: [InstCombine] Add transform `(icmp eq/ne bitreverse(x), C)` -> `(icmp eq/ne x… (authored by goldstein.w.n).
[InstCombine] Add transform `(icmp eq/ne bitreverse(x), C)` -> `(icmp eq/ne x…
goldstein.w.n committed rGa4bb08eaf4ac: [InstCombine] Add tests for `(icmp eq/ne bitreverse(x), C)`; NFC (authored by goldstein.w.n).
[InstCombine] Add tests for `(icmp eq/ne bitreverse(x), C)`; NFC
goldstein.w.n added reviewers for D145456: [InstSimplify] Add tests for simplifying `min/max(Intrin(X), X)`; NFC: nikic, spatel, majnemer.
goldstein.w.n added reviewers for D145458: [InstSimplify] Add simplifications for `min/max(Abs(X), X)`: nikic, spatel, majnemer.
goldstein.w.n requested review of D145458: [InstSimplify] Add simplifications for `min/max(Abs(X), X)`.
goldstein.w.n updated the diff for D145281: [InstCombine] Add transforms for `(icmp spred (or X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144610: [InstCombine] Add transforms for `(icmp upred (or X, Y), X)`.
Fix typo
goldstein.w.n updated the diff for D144609: [InstCombine] Add tests for transforming `(icmp (or X, Y), X)`; NFC.
Rebase
goldstein.w.n updated the diff for D145280: [InstCombine] Add transforms for `(icmp (xor X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144608: [InstCombine] Add transforms for `(icmp {u|s}ge/le (xor X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144607: [InstCombine] Add tests for transforming `(icmp (xor X, Y), X)`; NFC.
Rebase
goldstein.w.n updated the diff for D145281: [InstCombine] Add transforms for `(icmp spred (or X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144610: [InstCombine] Add transforms for `(icmp upred (or X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144609: [InstCombine] Add tests for transforming `(icmp (or X, Y), X)`; NFC.
Rebase
goldstein.w.n updated the diff for D145280: [InstCombine] Add transforms for `(icmp (xor X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144608: [InstCombine] Add transforms for `(icmp {u|s}ge/le (xor X, Y), X)`.
Rebase
goldstein.w.n updated the diff for D144607: [InstCombine] Add tests for transforming `(icmp (xor X, Y), X)`; NFC.
Fixup tests to canonical form