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llvm-project/llvm/test/Transforms/InstSimplify
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Sanjay Patel fdbf2bb4ee [InstSimplify] (x || y) && (x || !y) --> x 
https://alive2.llvm.org/ce/z/4BE33w

This is the logical (select-form) equivalent of the bitwise logic fold:
e36d351d19b1

This is another part of solving the regression from:
https://llvm.org/PR52077
2021-10-07 12:25:25 -04:00
..
ConstProp
[ConstantFold] Refactor load folding
2021-10-05 18:07:57 +02:00
X86
[FPEnv][InstSimplify] Constrained FP support for NaN
2021-07-09 11:26:28 -04:00
2010-12-20-Boolean.ll
…
2011-01-14-Thread.ll
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2011-02-01-Vector.ll
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2011-09-05-InsertExtractValue.ll
[InstSimplify] Return poison for out of bounds extractelement
2021-01-03 18:15:58 +01:00
2011-10-27-BinOpCrash.ll
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2011-11-23-MaskedBitsCrash.ll
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2013-04-19-ConstantFoldingCrash.ll
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abs_intrinsic.ll
[InstSimplify] Don't miscompile X == 0 ? abs(X) : -abs(X) --> -abs(X) xform
2020-12-18 21:18:13 +03:00
add-mask.ll
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add.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
addsub.ll
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and-icmps-same-ops.ll
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and-or-icmp-min-max.ll
[InstSimplify] peek through 'not' operand in logic-of-icmps fold
2020-10-25 11:13:30 -04:00
and-or-icmp-nullptr.ll
[InstSimplify] fold and/or of compares with equality to min/max constant
2020-04-23 09:16:10 -04:00
and-or-icmp-zero.ll
…
and.ll
[InstSimplify] (x | y) & (x | !y) --> x
2021-10-06 12:31:25 -04:00
AndOrXor.ll
Revert "[InstSimplify] Bypass no-op and-mask, using known bits (PR49543)"
2021-04-21 09:55:25 +02:00
assume_icmp.ll
[InstSimplify] Fold icmp with dominating assume
2020-07-03 18:53:58 +02:00
assume-non-zero.ll
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bitcast-vector-fold.ll
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bitreverse-fold.ll
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bitreverse.ll
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bswap.ll
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call.ll
[InstSimplify] fold rotate of -1 to -1
2021-08-22 09:15:48 -04:00
cast-unsigned-icmp-cmp-0.ll
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cast.ll
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cmp_ext.ll
[InstSimplify] Simplify comparison between zext(x) and sext(x)
2020-07-04 11:03:00 +02:00
cmp_of_min_max.ll
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cmp-vec-fast-path.ll
[IR] Let ConstantVector::getSplat use poison instead of undef
2021-08-10 08:27:43 +01:00
compare.ll
[InstSimplify] allow vector folds for (Pow2C << X) == NonPow2C
2020-11-08 09:52:05 -05:00
constantfold-add-nuw-allones-to-allones.ll
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constantfold-shl-nuw-C-to-C.ll
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constfold-constrained.ll
[ConstantFolding] Fold constrained arithmetic intrinsics
2021-07-23 14:39:51 +07:00
dead-code-removal.ll
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distribute.ll
[InstSimplify] add tests for expandCommutativeBinOp; NFC
2020-07-29 23:21:39 +09:00
div-by-0-guard-before-smul_ov-not.ll
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div-by-0-guard-before-smul_ov.ll
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div-by-0-guard-before-umul_ov-not.ll
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div-by-0-guard-before-umul_ov.ll
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div.ll
Reapply [ConstantFold] Fold more operations to poison
2021-05-13 16:04:12 +02:00
exact-nsw-nuw.ll
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extract-element.ll
[InstSimplify] fold extractelement of splat with variable extract index
2021-07-05 08:19:40 -04:00
extract-vector.ll
[InstSimplify] Remove redundant {insert,extract}_vector intrinsic chains
2021-05-13 16:09:50 +00:00
fast-math-strictfp.ll
[FPEnv][InstSimplify] Constrained FP support for NaN
2021-07-09 11:26:28 -04:00
fast-math.ll
[ValueTracking] fix CannotBeNegativeZero() to disregard 'nsz' FMF
2020-05-05 16:04:59 -04:00
fcmp-select.ll
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fcmp.ll
[InstSimplify] Add more poison folding optimizations
2021-06-23 20:25:24 +09:00
fdiv-strictfp.ll
[ConstantFolding] Fold constrained arithmetic intrinsics
2021-07-23 14:39:51 +07:00
fdiv.ll
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floating-point-arithmetic-strictfp.ll
[FPEnv][InstSimplify] Constrained FP support for NaN
2021-07-09 11:26:28 -04:00
floating-point-arithmetic.ll
[InstSimplify] add/move tests for fmin/fmax; NFC
2020-09-14 10:24:19 -04:00
floating-point-compare.ll
Update @llvm.powi to handle different int sizes for the exponent
2021-06-17 09:38:28 +02:00
fminmax-folds.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
fold-intrinsics.ll
Update @llvm.powi to handle different int sizes for the exponent
2021-06-17 09:38:28 +02:00
fold-vscale.ll
[InstSimplify] Don't assume parent function when simplifying llvm.vscale.
2021-07-29 20:08:08 +01:00
fp-nan.ll
[InstSimplify] Fold nnan/ninf violation to poison
2021-01-03 22:05:40 +01:00
fp-undef-poison-strictfp.ll
[FPEnv][InstSimplify] Constrained FP support for NaN
2021-07-09 11:26:28 -04:00
fp-undef-poison.ll
[InstSimplify] propagate poison through FP ops
2021-06-16 11:31:58 -04:00
fptoi-sat.ll
[ConstantFold] Fold fptoi.sat intrinsics
2021-01-10 17:37:27 +01:00
freeze-noundef.ll
Add support for !noundef metatdata on loads
2020-10-17 13:50:10 +09:00
freeze.ll
[ValueTracking] Dereferenced pointers are noundef
2021-02-14 22:50:48 +09:00
gc_relocate.ll
Use the right pass in test introduced in f1fdbd67
2021-03-04 12:21:13 -08:00
gep.ll
[IR] Let ConstantVector::getSplat use poison instead of undef
2021-08-10 08:27:43 +01:00
icmp-abs-nabs.ll
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icmp-bool-constant.ll
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icmp-constant.ll
Update m_Undef to match vectors/aggrs with undefs and poisons mixed
2021-04-18 10:57:04 +09:00
icmp-ranges.ll
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icmp.ll
[InstSimplify] icmp poison, X -> poison
2021-06-20 15:39:07 +09:00
implies.ll
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insert-vector.ll
[InstSimplify] Properly constrain {insert,extract}_subvector intrinsic fold
2021-05-21 10:05:03 +00:00
insertelement.ll
[InstSimplify] Fold insertelement vec, poison, idx into vec
2021-01-07 10:10:14 +09:00
insertvalue.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
invalid-load-operand-infinite-loop.ll
[InstSimplify] Treat invariant group insts as bitcasts for load operands
2021-06-15 12:59:43 -07:00
invariant.group-load.ll
[InstSimplify] Treat invariant group insts as bitcasts for load operands
2021-06-15 12:59:43 -07:00
known-never-nan.ll
[FPEnv] Intrinsic llvm.roundeven
2020-05-26 19:24:58 +07:00
known-non-zero.ll
[ValueTracking] isKnownNonZero, computeKnownBits for freeze
2020-09-10 08:07:38 +09:00
load-relative-32.ll
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load-relative.ll
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load.ll
[ConstantFold] Refactor load folding
2021-10-05 18:07:57 +02:00
log2-pow2-intrinsic.ll
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log10-pow10-intrinsic.ll
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log-exp-intrinsic.ll
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logic-of-fcmps.ll
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maxmin_intrinsics.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
maxmin.ll
[InstSimplify] fold min/max with limit constant
2021-08-10 10:57:25 -04:00
mul.ll
[InstSimplify] Add more poison folding optimizations
2021-06-23 20:25:24 +09:00
named-vector-shuffle-reverse.ll
[InstSimplify] Eliminate vector reverse of a splat vector
2021-08-11 11:27:58 -07:00
negate.ll
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noalias-ptr.ll
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null-ptr-is-valid-attribute.ll
ValueTracking: Fix isKnownNonZero for non-0 null pointers for byval
2020-07-16 13:50:49 -04:00
null-ptr-is-valid.ll
ValueTracking: Fix isKnownNonZero for non-0 null pointers for byval
2020-07-16 13:50:49 -04:00
or-icmps-same-ops.ll
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or.ll
[InstSimplify] fold or+shifted -1 to -1
2021-08-24 15:38:38 -04:00
past-the-end.ll
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phi-cse.ll
[NFC][InstSimplify] Add a note to PHI CSE tests that they are all negative tests
2020-08-29 13:13:06 +03:00
phi.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
pr28725.ll
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pr33957.ll
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pr49495.ll
[InstCombine] Whitelist non-refining folds in SimplifyWithOpReplaced
2021-03-22 22:12:56 +01:00
ptr_diff.ll
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reassociate.ll
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redundant-null-check-in-uadd_with_overflow-of-nonnull-ptr.ll
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rem.ll
[InstSimplify] Transform X * Y % Y --> 0
2021-05-25 10:16:04 -04:00
remove-dead-call.ll
[Local] Treat calls that may not return as being alive.
2021-01-23 16:05:14 +00:00
require-dominator.ll
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result-of-add-of-negative-is-non-zero-and-no-underflow.ll
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result-of-usub-by-nonzero-is-non-zero-and-no-overflow.ll
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result-of-usub-is-non-zero-and-no-overflow.ll
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returned.ll
[Local] Treat calls that may not return as being alive.
2021-01-23 16:05:14 +00:00
round-intrinsics.ll
[FPEnv] Intrinsic llvm.roundeven
2020-05-26 19:24:58 +07:00
saturating-add-sub.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
sdiv.ll
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select-and-cmp.ll
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select-implied.ll
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select-inseltpoison.ll
[InstSimplify] Add more poison folding optimizations
2021-06-23 20:25:24 +09:00
select-logical.ll
[InstSimplify] (x || y) && (x || !y) --> x
2021-10-07 12:25:25 -04:00
select-or-cmp.ll
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select.ll
[InstSimplify] Add more poison folding optimizations
2021-06-23 20:25:24 +09:00
shift-128-kb.ll
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shift-knownbits.ll
[ValueTracking] look through bitcast of vector in computeKnownBits
2021-06-23 11:46:46 -04:00
shift.ll
[InstSimplify] (-1 << x) s>> x --> -1
2021-09-29 13:03:12 -04:00
shr-nop.ll
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shr-scalar-vector-consistency.ll
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shufflevector-inseltpoison.ll
Precommit tests that have poison as shufflevector's placeholder
2020-12-29 17:09:31 +09:00
shufflevector.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00
signed-div-rem.ll
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simplify-nested-bitcast.ll
[InstSimplify] Don't lose inbounds when simplifying a GEP
2021-09-23 09:25:06 +01:00
smul_fix.ll
[InstSimplify] Simplify smul.fix and smul.fix.sat
2021-03-12 09:09:58 +01:00
srem.ll
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strictfp-fadd.ll
[FPEnv][InstSimplify] Fold constrained X + -0.0 ==> X
2021-10-06 13:52:31 -04:00
sub.ll
[InstSimplify] Add more poison folding optimizations
2021-06-23 20:25:24 +09:00
undef.ll
Reapply [ConstantFold] Fold more operations to poison
2021-05-13 16:04:12 +02:00
vec-cmp.ll
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vector_gep.ll
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vector_ptr_bitcast.ll
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vscale-inseltpoison.ll
[IR] Let ConstantVector::getSplat use poison instead of undef
2021-08-10 08:27:43 +01:00
vscale.ll
[Analysis] Add support for vscale in computeKnownBitsFromOperator
2021-09-20 15:01:59 +01:00
xor.ll
[InstSimplify] Add tests that fold instructions with poison operands (NFC)
2020-12-02 01:01:59 +09:00