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llvm-mirror/test/Transforms/InstSimplify
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Sanjay Patel 46f44cd641 [InstSimplify] fold nested min/max intrinsics with constant operands 
This is based on the existing code for the non-intrinsic idioms
in InstCombine.

The vector constant constraint is non-obvious: undefs should be
ok in the outer call, but they can't propagate safely from the
inner call in all cases. Example:

https://alive2.llvm.org/ce/z/-2bVbM
  define <2 x i8> @src(<2 x i8> %x) {
  %0:
    %m = umin <2 x i8> %x, { 7, undef }
    %m2 = umin <2 x i8> { 9, 9 }, %m
    ret <2 x i8> %m2
  }
  =>
  define <2 x i8> @tgt(<2 x i8> %x) {
  %0:
    %m = umin <2 x i8> %x, { 7, undef }
    ret <2 x i8> %m
  }
  Transformation doesn't verify!
  ERROR: Value mismatch

  Example:
  <2 x i8> %x = < undef, undef >

  Source:
  <2 x i8> %m = < #x00 (0)	[based on undef value], #x00 (0) >
  <2 x i8> %m2 = < #x00 (0), #x00 (0) >

  Target:
  <2 x i8> %m = < #x07 (7), #x10 (16) >
  Source value: < #x00 (0), #x00 (0) >
  Target value: < #x07 (7), #x10 (16) >
2020-08-04 08:44:48 -04:00
..
2010-12-20-Boolean.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-01-14-Thread.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-02-01-Vector.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-09-05-InsertExtractValue.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-10-27-BinOpCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-11-23-MaskedBitsCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2013-04-19-ConstantFoldingCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
add-mask.ll
[ValueTracking] Add computeKnownBits DemandedElts support to masked add instructions (PR36319)
2020-03-18 21:50:56 +00:00
add.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
addsub.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
and-icmps-same-ops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
and-or-icmp-min-max.ll
[InstSimplify] fold and/or of compares with equality to min/max constant
2020-04-23 09:16:10 -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
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
AndOrXor.ll
[InstSimplify] add tests for logic-of-icmp with min/max constant; NFC
2020-04-19 08:24:38 -04:00
assume_icmp.ll
[InstSimplify] Fold icmp with dominating assume
2020-07-03 18:53:58 +02:00
assume-non-zero.ll
[ValueTracking] isKnownNonZero() should take non-null-ness assumptions into consideration (PR43267)
2019-12-20 01:47:57 +03:00
bitcast-vector-fold.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
bitreverse-fold.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
bitreverse.ll
[ValueTracking] Add computeKnownBits DemandedElts support to EXTRACTELEMENT/OR/BSWAP/BITREVERSE instructions (PR36319)
2020-03-18 18:49:58 +00:00
bswap.ll
[ValueTracking] Add computeKnownBits DemandedElts support to EXTRACTELEMENT/OR/BSWAP/BITREVERSE instructions (PR36319)
2020-03-18 18:49:58 +00:00
call.ll
[InstSimplify] Fold abs(abs(x)) -> abs(x)
2020-08-01 13:25:00 -07:00
cast-unsigned-icmp-cmp-0.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
cast.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
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
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
compare.ll
[IR] Convert null-pointer-is-valid into an enum attribute
2020-05-15 19:41:07 +02:00
constantfold-add-nuw-allones-to-allones.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
constantfold-shl-nuw-C-to-C.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
constfold-constrained.ll
[FEnv] Constfold some unary constrained operations
2020-03-28 12:28:33 +07:00
dead-code-removal.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
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
[InstSimplify] Drop leftover "division-by-zero guard" around @llvm.umul.with.overflow inverted overflow bit
2019-08-29 12:48:04 +00:00
div-by-0-guard-before-smul_ov.ll
[InstSimplify] Drop leftover "division-by-zero guard" around @llvm.umul.with.overflow overflow bit
2019-08-29 12:47:50 +00:00
div-by-0-guard-before-umul_ov-not.ll
[InstSimplify] Drop leftover "division-by-zero guard" around @llvm.umul.with.overflow inverted overflow bit
2019-08-29 12:48:04 +00:00
div-by-0-guard-before-umul_ov.ll
[InstSimplify] Drop leftover "division-by-zero guard" around @llvm.umul.with.overflow overflow bit
2019-08-29 12:47:50 +00:00
div.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
exact-nsw-nuw.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
extract-element.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-math.ll
[ValueTracking] fix CannotBeNegativeZero() to disregard 'nsz' FMF
2020-05-05 16:04:59 -04:00
fcmp-select.ll
[InstSimplify] use FMF to improve fcmp+select fold
2019-11-04 08:29:56 -05:00
fdiv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
floating-point-arithmetic.ll
[ValueTracking] fix miscompile in maxnum case of cannotBeOrderedLessThanZeroImpl (PR46627)
2020-07-14 08:08:09 -04:00
floating-point-compare.ll
[InstSimplify] fold fcmp using isKnownNeverInfinity + isKnownNeverNaN
2020-07-26 09:04:37 -04:00
fold-intrinsics.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fp-nan.ll
[InstSimplify] simplify FP ops harder with FMF
2020-03-12 09:13:28 -04:00
fp-undef.ll
[InstSimplify] simplify FP ops harder with FMF (part 2)
2020-03-12 09:53:20 -04:00
freeze-noundef.ll
[ValueTracking] Let isGuaranteedNotToBeUndefOrPoison use canCreateUndefOrPoison
2020-07-20 09:21:39 +09:00
freeze.ll
[ValueTracking] Instruction::isBinaryOp should be used for constexprs
2020-07-26 21:48:51 +09:00
gep.ll
[SVE] Make ConstantFoldGetElementPtr work for scalable vectors of indices
2020-06-25 07:28:19 +01:00
icmp-abs-nabs.ll
[ValueTracking] When calculating known bits for integer abs, make sure we're looking at a negate and not just any instruction with the nsw flag set.
2019-08-07 18:28:16 +00:00
icmp-bool-constant.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
icmp-constant.ll
[InstSimplify] allow undefs in icmp with vector constant folds
2020-07-28 15:13:53 -04:00
icmp-ranges.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
icmp.ll
[NFCI][InstSimplify] Add CHECK-LABEL to new icmp.ll test
2020-06-25 01:10:35 +03:00
implies.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
insertelement.ll
[InstSimplify] allow insertelement-with-undef fold if poison-safe
2020-05-01 10:34:29 -04:00
known-never-nan.ll
[FPEnv] Intrinsic llvm.roundeven
2020-05-26 19:24:58 +07:00
known-non-zero.ll
[ValueTracking] Allow context-sensitive nullness check for non-pointers
2019-12-09 15:15:52 -06:00
load-relative-32.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
load-relative.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
load.ll
[AssumeBundles] add cannonicalisation to the assume builder
2020-06-19 10:32:26 +02:00
log2-pow2-intrinsic.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
log10-pow10-intrinsic.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
log-exp-intrinsic.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
logic-of-fcmps.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
maxmin_intrinsics.ll
[InstSimplify] fold nested min/max intrinsics with constant operands
2020-08-04 08:44:48 -04:00
maxmin.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
mul.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
negate.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
noalias-ptr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
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
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
or.ll
[InstSimplify] fix bug in matching or-with-not op (PR46083)
2020-06-03 13:44:29 -04:00
past-the-end.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
phi.ll
[InstSimplify] add a phi test with 1 incoming value; NFC
2019-06-19 17:23:29 +00:00
pr28725.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr33957.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ptr_diff.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
reassociate.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
redundant-null-check-in-uadd_with_overflow-of-nonnull-ptr.ll
[InstSimplify] Pass SimplifyQuery into simplifyUnsignedRangeCheck() and use it for isKnownNonZero()
2019-09-11 15:32:46 +00:00
rem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
remove-dead-call.ll
[InstSimplify] Report "Changed" also when only deleting dead instructions
2019-08-09 07:08:25 +00:00
require-dominator.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
result-of-add-of-negative-is-non-zero-and-no-underflow.ll
[NFC][InstSimplify] Add some more tests for D67498/D67502
2019-09-13 17:58:24 +00:00
result-of-usub-by-nonzero-is-non-zero-and-no-overflow.ll
[InstSimplify] simplifyUnsignedRangeCheck(): handle more cases (PR43251)
2019-09-12 09:26:17 +00:00
result-of-usub-is-non-zero-and-no-overflow.ll
[InstSimplify] Handle more 'A </>/>=/<= B &&/|| (A - B) !=/== 0' patterns (PR43251)
2019-09-25 22:59:41 +00:00
returned.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
round-intrinsics.ll
[FPEnv] Intrinsic llvm.roundeven
2020-05-26 19:24:58 +07:00
saturating-add-sub.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sdiv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
select-and-cmp.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
select-implied.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
select-or-cmp.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
select.ll
Revert "[InstSimplify] Remove select ?, undef, X -> X and select ?, X, undef -> X transforms" and subsequent patches
2020-07-15 22:02:33 -07:00
shift-128-kb.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shift-knownbits.ll
Reapply [InstSimplify] Remove known bits constant folding
2020-05-08 10:24:53 +02:00
shift.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shr-nop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shr-scalar-vector-consistency.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shufflevector.ll
[InstSimplify] fold splat of inserted constant to vector constant
2019-12-15 09:32:03 -05:00
signed-div-rem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
simplify-nested-bitcast.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
srem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sub.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
undef.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
vec-cmp.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
vector_gep.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
vector_ptr_bitcast.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
vscale.ll
[SVE] Make Constant::getSplatValue work for scalable vector splats
2020-07-07 13:45:51 -07:00