Anton Afanasyev 7b07c01351 [InstCombine] Support arbitrary const shift amount for lshr (sext i1 ...) ...

Add lshr (sext i1 X to iN), C --> select (X, -1 >> C, 0) case. This expands
C == N-1 case to arbitrary C.

Fixes PR52078.

Reviewed By: spatel, RKSimon, lebedev.ri

Differential Revision: https://reviews.llvm.org/D111330

2021-10-15 13:39:13 +03:00

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addsub-inseltpoison.ll

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addsub.ll

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ctlz-loop.ll

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earlycse-after-simplifycfg-two-entry-phi-node-folding.ll

[SimplifyCFG] Rerun PHI deduplication after common code sinkinkg (PR51092)

2021-07-15 16:34:34 +03:00

horiz-math-inseltpoison.ll

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horiz-math.ll

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lit.local.cfg

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loop-idiom-vs-indvars.ll

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masked-memory-ops.ll

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nancvt.ll

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peel-before-lv-to-enable-vectorization.ll

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pixel-splat.ll

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pr48844-br-to-switch-vectorization.ll

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pr50555.ll

[AggressiveInstCombine] Add logical shift right instr to TruncInstCombine DAG

2021-08-18 22:20:58 +03:00

pr52078.ll

[InstCombine] Support arbitrary const shift amount for lshr (sext i1 ...)

2021-10-15 13:39:13 +03:00

scalarization-inseltpoison.ll

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scalarization.ll

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shuffle-inseltpoison.ll

[InstCombine] Update InstCombine to use poison instead of undef for shufflevector's placeholder (2/3)

2021-09-23 00:14:50 +09:00

shuffle.ll

[InstCombine] Update InstCombine to use poison instead of undef for shufflevector's placeholder (2/3)

2021-09-23 00:14:50 +09:00

simplifycfg-late.ll

[SimplifyCFG] SwitchToLookupTable(): don't increase ret count

2021-07-26 23:29:55 +03:00

spurious-peeling.ll

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SROA-after-loop-unrolling.ll

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store-constant-merge.ll

[PhaseOrdering] add tests for PR47023; NFC

2021-09-15 08:44:04 -04:00

vdiv-nounroll.ll

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vdiv.ll

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vector-reductions-expanded.ll

[InstCombine] fold reassociative FP add into start value of fadd reduction

2021-07-18 06:26:20 -04:00

vector-reductions-logical.ll

[SimplifyCFG] Add bonus when seeing vector ops to branch fold to common dest

2021-09-16 10:50:36 -07:00

vector-reductions.ll

[SimplifyCFG] SimplifyCondBranchToTwoReturns(): really only deal with different ret blocks

2021-07-23 00:36:59 +03:00