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Erik Desjardins 87d02e0dfd Recommit "[Support] change StringMap hash function from djbHash to xxHash" 
This reverts commit 37eb9d13f8.

Test failures have been fixed:

- ubsan failure fixed by 72eac42f21
- warn-unsafe-buffer-usage-fixits-local-var-span.cpp fixed by
  03cc52dfd1 (wasn't related)
- test-output-format.ll failure was spurious, build failed at
  https://lab.llvm.org/buildbot/#/builders/54/builds/3545 (b4431b2d94)
  but passed at
  https://lab.llvm.org/buildbot/#/builders/54/builds/3546 (5ae99be037)
  which is before my revert
  b4431b2d94...5ae99be037

Original commit message:

    Depends on https://reviews.llvm.org/D142861.

    Alternative to https://reviews.llvm.org/D137601.

    xxHash is much faster than djbHash. This makes a simple Rust test case with a large constant string 10% faster to compile.

    Previous attempts at changing this hash function (e.g. https://reviews.llvm.org/D97396) had to be reverted due to breaking tests that depended on iteration order.
    No additional tests fail with this patch compared to `main` when running `check-all` with `-DLLVM_ENABLE_PROJECTS="all"` (on a Linux host), so I hope I found everything that needs to be changed.

    Differential Revision: https://reviews.llvm.org/D142862
2023-02-19 16:52:26 -05:00
..
Analysis
Use APInt::popcount instead of APInt::countPopulation (NFC)
2023-02-19 11:29:12 -08:00
AsmParser
[NFC][IR] Make Module::getIFuncList() private.
2023-02-14 09:28:06 -08:00
BinaryFormat
Use llvm::bit_cast (NFC)
2023-02-14 01:22:12 -08:00
Bitcode
Recommit: [NFC][IR] Make Module::getGlobalList() private
2023-02-14 15:12:51 -08:00
Bitstream
[Bitcode(Reader|Writer)] Convert Optional to std::optional
2022-12-07 15:27:38 -08:00
CodeGen
Use APInt::popcount instead of APInt::countPopulation (NFC)
2023-02-19 11:29:12 -08:00
DebugInfo
[llvm-debuginfo-analyzer] (08a/09) - Memory Management
2023-02-16 10:15:19 +00:00
Debuginfod
Reland: [llvm-cov] Look up object files using debuginfod
2023-01-26 12:59:52 -08:00
Demangle
…
DWARFLinker
[DWARFLinker] Refactor cloneAddressAttribute().
2023-02-13 12:25:22 +01:00
DWARFLinkerParallel
[DWARF][dsymutil][llvm-dwarfutil] Create a placeholder library DWARFLinkerParallel.
2023-01-20 16:36:09 +01:00
DWP
[llvm][dwwarf] Change CU/TU index to 64-bit
2023-01-11 15:07:11 -08:00
ExecutionEngine
[JITLink] Drop const qualifier from argument to ELFLinkGraphBuilder's ctors (NFC)
2023-02-15 10:54:51 +01:00
Extensions
…
FileCheck
[FileCheck] Remove the last llvm::Optional
2022-12-19 20:22:14 +01:00
Frontend
Recommit: [NFC][IR] Make Module::getGlobalList() private
2023-02-14 15:12:51 -08:00
Fuzzer
…
FuzzMutate
LLVMFuzzerCLI: [CMake] Prune the last PARTIAL_SOURCES_INTENDED to cover all sources.
2023-02-12 20:12:37 +09:00
InterfaceStub
[NFC][TargetParser] Remove llvm/ADT/Triple.h
2023-02-07 12:39:46 +00:00
IR
[WebAssembly] Initial support for reference type externref in clang
2023-02-17 18:48:48 -08:00
IRPrinter
…
IRReader
[BitcodeReader] Allow reading pointer types from old IR
2023-01-18 13:20:15 +01:00
LineEditor
[llvm] Use std::optional instead of Optional
2022-12-20 15:42:32 -08:00
Linker
Recommit: [NFC][IR] Make Module::getGlobalList() private
2023-02-14 15:12:51 -08:00
LTO
[NFC][TargetParser] Replace uses of llvm/Support/Host.h
2023-02-10 09:59:46 +00:00
MC
[MC] Remove an unneeded comparison on cast result. NFC
2023-02-15 17:46:45 -08:00
MCA
[llvm] Use llvm::bit_floor instead of llvm::PowerOf2Floor (NFC)
2023-01-28 09:06:31 -08:00
ObjCopy
[ELF][llvm-objcopy] Reject duplicate SHT_SYMTAB sections
2023-02-17 17:59:20 +00:00
Object
[Object][NFC] Remove unneeded llvm_unreachable
2023-02-16 13:20:41 -08:00
ObjectYAML
[NFC][TargetParser] Replace uses of llvm/Support/Host.h
2023-02-10 09:59:46 +00:00
Option
[llvm] Cleanup edit_distance short circuiting
2023-01-19 23:20:37 +01:00
Passes
Port PlaceSafepoints pass to the new pass manager
2023-02-17 09:17:49 -08:00
ProfileData
Move global namespace cl::opt inside llvm::
2023-02-14 00:09:44 -08:00
Remarks
[Bitcode(Reader|Writer)] Convert Optional to std::optional
2022-12-07 15:27:38 -08:00
Support
Recommit "[Support] change StringMap hash function from djbHash to xxHash"
2023-02-19 16:52:26 -05:00
TableGen
llvm-tblgen: Apply IWYU partially
2023-02-17 00:32:46 +09:00
Target
[RISCV][MC] Mark Zawrs extension as non-experimental
2023-02-19 20:43:03 +00:00
TargetParser
[RISCV] Default to -ffixed-x18 for Fuchsia
2023-02-05 18:51:18 -08:00
Testing
[test] Split out Annotations from TestingSupport
2023-01-12 13:40:47 -08:00
TextAPI
[TextAPI] Capture new properties from TBD to InterfaceFile
2023-02-18 10:52:24 -08:00
ToolDrivers
[NFC][TargetParser] Replace uses of llvm/Support/Host.h
2023-02-10 09:59:46 +00:00
Transforms
[SLP] Fix infinite loop in isUndefVector.
2023-02-19 21:42:24 +00:00
WindowsDriver
[NFC][TargetParser] Replace uses of llvm/Support/Host.h
2023-02-10 09:59:46 +00:00
WindowsManifest
…
XRay
[NFC][TargetParser] Remove llvm/ADT/Triple.h
2023-02-07 12:39:46 +00:00
CMakeLists.txt
[DWARF][dsymutil][llvm-dwarfutil] Create a placeholder library DWARFLinkerParallel.
2023-01-20 16:36:09 +01:00