Nikita Popov 0a0e06f291 [TableGen] Fix prefix detection with anchor (NFC) (#71379) ...

instregex uses an optimization, where the constant prefix of the regex
is extracted to perform a binary search first. However, this
optimization currently mainly fails to apply, because most instregex
uses have an explicit ^ anchor, which gets counted as a meta char and
disables the optimization.

Make sure the anchor is skipped when determining the prefix. Also fix an
implementation bug this exposes, where the pick a too long prefix if the
first meta character is a quantifier.

This cuts the time needed to generate files like X86GenInstrInfo.inc by
half.

2023-11-13 15:47:15 +01:00

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bugpoint

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count

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crosstool

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docker

[NFC][Py Reformat] Reformat python files in llvm

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emacs

Obsolete WebKit Calling Convention (#71567)

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FileCheck

[FileCheck] Fix performance-for-range-copy issues. NFC

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filecheck_lint

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fpcmp

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gdb-scripts

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git

[Github] Fix github automation script on empty descriptions (#71274)

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gn

[gn] port a207e6307a (LLVMFrontendDriver)

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jedit

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kate

[TableGen] Update editor modes for new keywords and bang operators. (#68897)

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KillTheDoctor

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lint

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lit

Reapply #2 [clang-repl] [test] Make an XFAIL more precise (#71168)

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llvm-lit

[lit][clang] Avoid realpath on Windows due to MAX_PATH limitations

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llvm-locstats

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LLVMVisualizers

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release

[Release] Build compiler-rt during Phase 1 on AIX (#70672)

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Reviewing

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rsp_bisect_test

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sanitizers

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TableGen

[TableGen] Fix prefix detection with anchor (NFC) (#71379)

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Target/ARM

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testgen

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textmate

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UnicodeData

Fix handling of medial hyphens in Unicode Names.

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UpdateTestChecks

Recommit changes to global checks (#71171)

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valgrind

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vim

[TableGen] Update editor modes for new keywords and bang operators. (#68897)

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vscode

[TableGen] Update editor modes for new keywords and bang operators. (#68897)

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yaml-bench

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abtest.py

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add_argument_names.py

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bisect

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bugpoint_gisel_reducer.py

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check_ninja_deps.py

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check-each-file

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chunk-print-before-all.py

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clang-parse-diagnostics-file

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codegen-diff

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collect_and_build_with_pgo.py

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convert-constraint-log-to-z3.py

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create_ladder_graph.py

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demangle_tree.py

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DSAclean.py

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DSAextract.py

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extract_symbols.py

[AIX] Limit extract_symbols.py's Pools Size to 8

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extract_vplan.py

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extract-section.py

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findmisopt

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findsym.pl

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GetSourceVersion

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indirect_calls.py

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lldbDataFormatters.py

[lldb] Allow lldbDataFormatters.py to be used by other names (NFC) (#65528)

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llvm-gisel-cov.py

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llvm-mca-compare.py

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llvm-original-di-preservation.py

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llvm.grm

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merge-stats.py

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pipeline.py

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prepare-code-coverage-artifact.py

[llvm-cov] Enable -show-directory-coverage for LLVM itself.

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reduce_pipeline.py

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relative_lines.py

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remote-exec.py

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revert_checker_test.py

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revert_checker.py

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rsp_bisect.py

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schedcover.py

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shuffle_fuzz.py

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shuffle_select_fuzz_tester.py

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sort_includes.py

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sysroot.py

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unicode-case-fold.py

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update_analyze_test_checks.py

update_analyze_test_checks: support output from LAA (#67584)

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update_any_test_checks.py

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update_cc_test_checks.py

Recommit changes to global checks (#71171)

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update_llc_test_checks.py

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update_mca_test_checks.py

[UpdateTestChecks][llvm-mca] Use common.itertests in update_mca_test_checks (#67477)

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update_mir_test_checks.py

update_mir_test_checks.py: match undef vreg subreg definitions (#66627)

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update_test_checks.py

Recommit changes to global checks (#71171)

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update_test_prefix.py

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UpdateCMakeLists.pl

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