Yingwei Zheng 9e587ce6f0

[SCCP] Simplify [us]cmp(X, Y) into X - Y (#144717) ...

If the difference between [us]cmp's operands is not greater than 1, we
can simplify it into `X - Y`.
Alive2: https://alive2.llvm.org/ce/z/JS55so
llvm-opt-benchmark diff:
https://github.com/dtcxzyw/llvm-opt-benchmark/pull/2464/files

2025-07-20 15:01:44 +08:00

..

2002-05-02-MissSecondInst.ll

…

2002-05-20-MissedIncomingValue.ll

…

2002-05-21-InvalidSimplify.ll

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2002-08-30-GetElementPtrTest.ll

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2003-06-24-OverdefinedPHIValue.ll

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2003-08-26-InvokeHandling.ll

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2004-11-16-DeadInvoke.ll

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2004-12-10-UndefBranchBug.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

2006-10-23-IPSCCP-Crash.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

2006-12-04-PackedType.ll

…

2006-12-19-UndefBug.ll

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2007-05-16-InvokeCrash.ll

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2008-01-27-UndefCorrelate.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

2008-04-22-multiple-ret-sccp.ll

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2008-05-23-UndefCallFold.ll

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2008-06-09-WeakProp.ll

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2009-01-14-IPSCCP-Invoke.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

2009-05-27-VectorOperandZero.ll

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2009-09-24-byval-ptr.ll

[ConstantFolding] Infer getelementptr nuw flag (#119214)

2024-12-09 16:44:05 +01:00

add-nuw-nsw-flags.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

and-add-shl.ll

[SCCP] Swap out range metadata to range attribute (#90134)

2024-04-26 11:04:47 +09:00

apfloat-basictest.ll

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apint-array.ll

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apint-basictest2.ll

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apint-basictest3.ll

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apint-basictest4.ll

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apint-basictest.ll

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apint-bigarray.ll

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apint-bigint2.ll

[ConstantFolding] Infer getelementptr nuw flag (#119214)

2024-12-09 16:44:05 +01:00

apint-bigint.ll

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apint-ipsccp1.ll

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apint-ipsccp2.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

apint-ipsccp3.ll

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apint-ipsccp4.ll

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apint-load.ll

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apint-phi.ll

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apint-select.ll

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apint-xor.ll

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arg-count-mismatch.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

arg-type-mismatch.ll

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ashr.ll

…

assume.ll

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atomic-load-store.ll

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atomic.ll

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binaryops-constexprs.ll

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binaryops-range-special-cases.ll

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bitcast.ll

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calltest.ll

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clang-arc-rv.ll

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comdat-ipo.ll

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conditions-iter-order.ll

[SCCP] Infer nuw for gep nusw with non-negative offsets (#118819)

2024-12-06 09:52:32 +01:00

conditions-ranges-with-undef.ll

[SCCP] Remove masking operations (#142736)

2025-06-04 22:31:08 +08:00

conditions-ranges.ll

Reapply [IR] Avoid creating icmp/fcmp constant expressions (#92885)

2024-05-31 08:55:59 +02:00

constant-range-struct.ll

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constant-struct.ll

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crash.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

dangling-block-address.ll

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deadarg.ll

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definite-initializer.ll

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divrem-crash.ll

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divrem.ll

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domtree-update.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

dont-zap-return.ll

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exact-flags.ll

[SCCP] Infer return attributes in SCCP as well (#106732)

2024-09-02 11:44:37 +02:00

float-denormal-simplification.ll

[SCCP] Add context to SimplifyQuery (#100831)

2024-07-29 15:21:57 +02:00

float-nan-simplification.ll

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float-phis.ll

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fp-bc-icmp-const-fold.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

freeze.ll

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gep-nuw.ll

[SCCP] Infer nuw for gep nusw with non-negative offsets (#118819)

2024-12-06 09:52:32 +01:00

global-alias-constprop.ll

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global.ll

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indirectbr.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

int-phis.ll

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intrinsics.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

ip-add-range-to-call.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

ip-constant-ranges-intersection.ll

[SCCP] Merge return range attributes (#105998)

2024-08-26 09:35:05 +02:00

ip-constant-ranges.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

ip-ranges-binaryops.ll

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ip-ranges-casts.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

ip-ranges-phis.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

ip-ranges-select.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

ip-ranges-sext.ll

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ipsccp-addr-taken.ll

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ipsccp-basic.ll

[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)

2025-03-14 15:50:49 +00:00

ipsccp-branch-unresolved-undef.ll

[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)

2025-03-14 15:50:49 +00:00

ipsccp-clear-returned.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

ipsccp-cycles.ll

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ipsccp-noundef.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

ipsccp-phi-one-pred-dead.ll

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ipsccp-predinfo-order.ll

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ipsccp-preserve-analysis.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

ipsccp-preserve-pdt.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

ipsccp-range-crashes.ll

[SCCP] Infer nneg on existing zext (#72143)

2023-11-14 10:18:23 +08:00

ipsccp-ssa-copy-nested-conds.ll

[SCCP] Infer nuw for gep nusw with non-negative offsets (#118819)

2024-12-06 09:52:32 +01:00

ipscp-drop-argmemonly.ll

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issue59602-assume-like-call-users.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

issue59661-missing-predicate-info-for-ssa-copy.ll

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landingpad.ll

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latticeval-invalidate.ll

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load-store-range.ll

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loadtest2.ll

[Tests] Regenerate test checks (NFC)

2024-09-03 11:42:47 +02:00

loadtest.ll

[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)

2025-03-14 15:50:49 +00:00

logical-nuke.ll

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metadata.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

multiple_callbacks.ll

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musttail-call.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

naked-return.ll

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no-fold-fcmp-dynamic-denormal-mode-issue114947.ll

[LLVM][IR] Use splat syntax when printing ConstantExpr based splats. (#116856)

2024-11-21 11:21:12 +00:00

opaque-ptr.ll

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openmp_parallel_for.ll

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overdefined-div.ll

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overdefined-ext.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

phi-cycle.ll

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phis.ll

[SCCP] Infer return attributes in SCCP as well (#106732)

2024-09-02 11:44:37 +02:00

pointer-nonnull.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

pr27712.ll

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pr35357.ll

…

pr45185-range-predinfo.ll

[IR] Convert from nocapture to captures(none) (#123181)

2025-01-29 16:56:47 +01:00

pr49582-iterator-invalidation.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

pr50901.ll

[IPSCCP] Variable not visible at Og: (#77901)

2024-04-16 09:37:51 +01:00

pr52253.ll

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pr79696.ll

[ConstantRange] Improve ConstantRange::binaryXor (#80146)

2024-02-08 22:34:52 +08:00

PR16052.ll

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PR26044.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

PR43857.ll

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predicateinfo-cond.ll

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preserve-analysis.ll

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preserving-debugloc-signedinst-branch-feasible-succ.ll

[DebugInfo][SCCPSolver] Fix missing debug locations (#98876)

2024-07-18 09:03:03 +01:00

pthreads.ll

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range-and-ip.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

range-and-or-bit-masked.ll

[ConstantRange] Estimate tighter lower (upper) bounds for masked binary and (or) (#120352)

2024-12-31 18:40:17 -08:00

range-and.ll

[SCCP] Remove masking operations (#142736)

2025-06-04 22:31:08 +08:00

range-attribute.ll

[IPSCCP] Intersect attribute info for interprocedural args (#106397)

2024-08-29 09:34:56 +02:00

range-mul-nuw-nsw-flags.ll

[ConstantRange][LVI] Add support for multiplyWithNoWrap

2024-05-24 19:25:09 +02:00

range-with-undef.ll

[SCCP] Remove masking operations (#142736)

2025-06-04 22:31:08 +08:00

ranges-sext.ll

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recursion.ll

Revert "[Transforms][IPO] Add func suffix in ArgumentPromotion and DeadArgume… (#105742)"

2024-09-19 03:54:13 -07:00

remove-call-inst.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

replace-dereferenceable-ptr-with-undereferenceable.ll

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report-changed.ll

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resolvedundefsin-tracked-fn.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

return-argument.ll

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return-constant.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

return-constants.ll

…

return-zapped.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

retvalue-undef.ll

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sccptest.ll

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select.ll

[Tests] Regenerate test checks (NFC)

2024-09-03 11:42:47 +02:00

sitofp.ll

[SCCP] Add nneg flag to uitofp if its operand is non-negative

2024-05-07 14:57:29 -05:00

solve-after-each-resolving-undefs-for-function.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

strictfp-phis-fcmp.ll

[Test] Fix usage of constrained intrinsics (#113523)

2024-10-28 14:07:32 +07:00

strictfp-phis-fcmps.ll

[Test] Fix usage of constrained intrinsics (#113523)

2024-10-28 14:07:32 +07:00

struct-arg-resolve-undefs.ll

[SCCP] Use poison instead of undef when zapping returns

2024-06-25 12:35:25 +02:00

sub-nuw-nsw-flags.ll

…

switch-constantfold-crash.ll

[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)

2024-12-03 20:54:36 +00:00

switch-multiple-undef.ll

…

switch-undef-constantfoldterminator.ll

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switch.ll

[IPSCCP] Infer attributes on arguments (#107114)

2024-09-16 10:23:41 +02:00

thread_local_acs.ll

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trunc-nuw-nsw-flags.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

ub-shift.ll

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ubsan_overflow.ll

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undef-resolve.ll

[IR] Remove support for icmp and fcmp constant expressions (#93038)

2024-06-04 08:31:03 +02:00

uscmp.ll

[SCCP] Simplify [us]cmp(X, Y) into X - Y (#144717)

2025-07-20 15:01:44 +08:00

user-with-multiple-uses.ll

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vector-bitcast.ll

[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)

2024-11-06 11:53:33 +00:00

vscale-gep.ll

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vscale-intrinsic.ll

[SCCP] Handle llvm.vscale intrinsic calls (#114033)

2024-10-31 12:22:15 +00:00

widening.ll

[SCCP] Infer nuw for gep nusw with non-negative offsets (#118819)

2024-12-06 09:52:32 +01:00

with.overflow.ll

…