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Craig Topper 2fd180bbb9 [IR] Reduce max supported integer from 2^24-1 to 2^23. 
SelectionDAG will promote illegal types up to a power of 2 before
splitting down to a legal type. This will create an IntegerType
with a bit width that must be <= MAX_INT_BITS. This places an
effective upper limit on any type of 2^23 so that we don't try
create a 2^24 type.

I considered putting a fatal error somewhere in the path from
TargetLowering::getTypeConversion down to IntegerType::get, but
limiting the type in IR seemed better.

This breaks backwards compatibility with IR that is using a really
large type. I suspect such IR is going to be very rare due to the
the compile time costs such a type likely incurs.

Prevents the ICE in PR51829.

Reviewed By: efriedma, aaron.ballman

Differential Revision: https://reviews.llvm.org/D109721
 		2021-09-14 07:52:10 -07:00
..
CommandGuide [clang][docs] Fix documentation of -O 2020-09-17 13:44:01 +01:00
analyzer [analyzer] MallocOverflow should consider comparisons only preceding malloc 2021-08-27 14:41:26 +02:00
tools [ASTMatchers] Make Param functors variadic 2021-03-03 11:41:20 +00:00
APINotes.rst docs: add documentation describing API Notes 2020-10-05 18:29:13 +00:00
AddressSanitizer.rst [clang] Fix typos in documentation (NFC) 2021-08-21 12:17:58 -07:00
AutomaticReferenceCounting.rst [clang] Fix typos in documentation (NFC) 2021-03-06 15:52:52 -08:00
Block-ABI-Apple.rst Fix the type of the invoke function in the block ABI documentation 2020-09-04 10:29:09 -07:00
Block-ABI-Apple.txt
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BlockLanguageSpec.rst
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CMakeLists.txt fix comment typo to cycle bots 2020-04-06 18:58:27 -04:00
ClangCheck.rst
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ClangCommandLineReference.rst [X86] Add CRC32 feature. 2021-09-06 17:24:30 +08:00
ClangFormat.rst [clang-format] Add basic support for formatting JSON 2021-06-26 15:20:17 +01:00
ClangFormatStyleOptions.rst [clang-format] Group options that pack constructor initializers 2021-08-27 06:27:46 -07:00
ClangFormattedStatus.rst Revert "Reland "[clang-repl] Re-implement clang-interpreter as a test case."" 2021-09-03 13:18:09 +00:00
ClangNvlinkWrapper.rst [clang-nvlink-wrapper][docs][NFC] Fix sphinx warning about asterisk 2021-09-09 23:55:15 +05:30
ClangOffloadBundler.rst [clang-offload-bundler] Make Bundle Entry ID backward compatible 2021-09-08 16:06:12 +05:30
ClangPlugins.rst [Branch-Rename] Fix some links 2021-02-01 16:43:21 +05:30
ClangStaticAnalyzer.rst
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ClangTools.rst [Branch-Rename] Fix some links 2021-02-01 16:43:21 +05:30
ConstantInterpreter.rst [docs] Fix warnings in ConstantInterpreter 2020-05-23 19:36:05 +00:00
ControlFlowIntegrity.rst [clang] accept -fsanitize-ignorelist= in addition to -fsanitize-blacklist= 2021-05-04 10:24:00 -04:00
ControlFlowIntegrityDesign.rst [clang] Fix typos in documentation (NFC) 2021-03-06 15:52:52 -08:00
CrossCompilation.rst
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DataFlowSanitizer.rst [dfsan][NFC] Fix doc format 2021-07-27 04:22:20 +00:00
DataFlowSanitizerDesign.rst [clang] Fix typos in documentation (NFC) 2021-08-21 12:17:58 -07:00
DriverArchitecture.png
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DriverInternals.rst
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ExternalClangExamples.rst
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FAQ.rst
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HardwareAssistedAddressSanitizerDesign.rst [HWASan] Mention x86_64 aliasing mode in design doc. 2021-03-25 14:22:20 -07:00
HowToSetupToolingForLLVM.rst Don't call anyone lazy in the documentation. 2020-03-17 16:33:28 -04:00
InternalsManual.rst Fix a typo in the internals manual 2021-06-08 12:32:56 -04:00
IntroductionToTheClangAST.rst [clang] Fix typos in documentation (NFC) 2021-08-21 12:17:58 -07:00
ItaniumMangleAbiTags.rst
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JSONCompilationDatabase.rst [docs] Clarify compile_flags.txt subtleties 2021-01-31 11:16:59 +01:00
LTOVisibility.rst [Docs] Document --lto-whole-program-visibility 2020-08-25 19:44:54 -07:00
LanguageExtensions.rst Revert "[Coroutines] [Clang] Look up coroutine component in std namespace first" 2021-09-03 16:01:09 -04:00
LeakSanitizer.rst [lsan][docs] Clarify supported platforms 2021-04-21 10:27:55 -07:00
LibASTImporter.rst Doc: Links should use https 2020-03-22 22:49:33 +01:00
LibASTMatchers.rst
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LibASTMatchersReference.html [clang] NFC: Fix trivial typo in comments and document 2021-09-04 12:59:42 +05:30
LibASTMatchersTutorial.rst [docs] Fix linking issues in LibASTMatchers tutorial 2021-07-05 12:11:25 +03:00
LibFormat.rst [clang-format][docfix] Update predefined styles in docs 2020-05-20 20:03:53 -04:00
LibTooling.rst [Branch-Rename] Fix some links 2021-02-01 16:43:21 +05:30
MSVCCompatibility.rst
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Makefile.sphinx
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MatrixTypes.rst [Matrix] Add missing newline to appease sphinx. 2021-03-12 09:33:36 +00:00
MemorySanitizer.rst [msan] Add support for disable_sanitizer_instrumentation attribute 2021-08-20 15:11:26 +02:00
Modules.rst Allow searching for prebuilt implicit modules. 2020-11-10 10:14:13 -08:00
ObjectiveCLiterals.rst
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OpenCLSupport.rst [OpenCL][Docs] Update OpenCL 3.0 status info. 2021-09-10 13:07:07 +01:00
OpenMPSupport.rst [OpenMP][NFC] Added comment on OpenMP 5.0 task affinity pilot implementation 2021-09-08 18:12:31 +03:00
PCHInternals.rst
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PCHLayout.graffle
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PCHLayout.png
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RAVFrontendAction.rst [docs] Use make_unique in FrontendAction example 2021-04-20 13:47:16 -04:00
README.txt
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RefactoringEngine.rst
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ReleaseNotes.rst [IR] Reduce max supported integer from 2^24-1 to 2^23. 2021-09-14 07:52:10 -07:00
SYCLSupport.rst [SYCL] Enable `opencl_global_[host,device]` attributes for SYCL 2021-05-18 10:27:35 +03:00
SafeStack.rst
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SanitizerCoverage.rst [Driver] Delete -fsanitize-coverage-blocklist= in favor of -fsanitize-coverage-ignorelist= 2021-06-15 20:32:24 -07:00
SanitizerSpecialCaseList.rst [clang] accept -fsanitize-ignorelist= in addition to -fsanitize-blacklist= 2021-05-04 10:24:00 -04:00
SanitizerStats.rst
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ShadowCallStack.rst
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SourceBasedCodeCoverage.rst Coverage: Document how to collect a profile without a filesystem 2021-04-22 11:29:39 -07:00
ThinLTO.rst [docs] Try to make this bullet list in ThinLTO.rst actually be a bullet list 2020-11-24 14:08:42 +01:00
ThreadSafetyAnalysis.rst Thread safety analysis: Mock getter for private mutexes can be undefined 2021-07-23 14:46:02 +02:00
ThreadSanitizer.rst [tsan] Add support for disable_sanitizer_instrumentation attribute 2021-08-23 12:38:33 +02:00
Toolchain.rst clang: libstdc++ LWM is 4.8.3 2021-04-22 05:26:07 -07:00
Tooling.rst
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UndefinedBehaviorSanitizer.rst Improve UBSan documentation 2021-08-02 15:10:21 -07:00
UsersManual.rst Revert "[CLANG][PATCH][FPEnv] Add support for option -ffp-eval-method and extend #pragma float_control similarly" 2021-09-01 04:48:50 -07:00
conf.py [docs] Bump the trunk major version to 13 and update copyright year. 2021-05-03 18:44:47 +02:00
doxygen-mainpage.dox
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doxygen.cfg.in
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index.rst [clang-nvlink-wrapper] Add documentation in clang docs 2021-09-06 11:43:58 +05:30
make.bat
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README.txt 

See llvm/docs/README.txt