Update ROOT and Cling to LLVM22 - #21658

Merged

dpiparo merged 32 commits into

root-project:masterfrom

devajithvs:ROOT-llvm22

Jul 21, 2026

Commits on Jul 20, 2026

Import ROOT-llvm22
devajithvs
committed
88978ed
[cling][LLVM22] Misc adaptations for updated APIs
devajithvs
committed
9e81eec
[cling] Unload: TopLevelStmtDecl special casing
devajithvs
committed
e7d03f8
[core][LLVM22] Adapt to LLVM 22 API changes
devajithvs
committed
992c662
[cling][AST] Add utility function `QualifyTypeUnderPrefix`
devajithvs
committed
406d30d
[cling][AST] Copy `QualTypeName.cpp` functions into `AST.cpp`
devajithvs
committed
50b07f4
[cling][LLVM22] Adapt to the LLVM 22 NestedNameSpecifier changes
devajithvs
committed
d7597f7
[core][LLVM22] Adapt to the LLVM 22 NestedNameSpecifier changes
devajithvs
committed
683411c
[cling][AST] Add `getFullyQualifiedType` changes needed for cling
devajithvs
committed
2ed93f3
[cling][AST][Desugar] Strip AutoType early before the type-specific handling
devajithvs
committed
be90f2b
[cling][AST] PartialDesugaring: Fix loss of namespace prefix for TST
devajithvs
committed
081af22
[cling][AST] Strip unnecessary global '::' qualifier for TemplateNames
devajithvs
committed
755183a
[cling][AST] Restore partial desugaring of global RecordType prefixes in LLVM22
devajithvs
committed
ff14cec
[cling][AST] Remove dead ElaboratedType code paths
devajithvs
committed
529d95c
[cling] Desugar `__size_t` and `__ptrdiff_t` aliases back to standard types
devajithvs
committed
f2059a6
[TCling] Strip tag keywords to handle LLVM22 elaborated type removal
devajithvs
committed
fc2b780
[cling][test] Update output print types
devajithvs
committed
74b9056
[cling][test] Fix Transform test: populate m_toReplace for std::string
devajithvs
committed
ec9fd5d
[roottest] Update reference files after LLVM22
devajithvs
committed
37b1cc8
[roottest][meta] Update test-case to reflect what was written
devajithvs
committed
dc130b0
[cppyy] Unmark xfail, this test now passes with LLVM22
devajithvs
committed
1d544d6
[cling] Enable SuppressTagKeywordInAnonNames by default
devajithvs
committed
3c22804
[cling][macos] Allow framework includes in System group in CopyIncludePaths
devajithvs
committed
e6935ef
[cling] Clear `UnsubstitutedConstraintSatisfactionCache` on unload
devajithvs
committed
921a25f
[cling] Suppress SFINAE diagnostics in InstantiateTemplateWithDefaults
devajithvs
committed
994da04
[adaptivecpp] Turn off AdaptiveCpp temporarily
devajithvs
committed
0c42dbe
[CI][llvm-project] Only compare what is already there in third-party
devajithvs
committed
1ecd8b7
[cling] Fix dangling StringRef
devajithvs
committed
b74dbe4
[interpreter] Update `CLANG_CMAKE_DIR` after LLVM22 update
devajithvs
committed
1d44ae0
[clad] Add upstream patch fixing windows builds
devajithvs
committed
6b99253
[cling][AST] Preserve `using` aliases in GetFullTypeName
devajithvs
committed
3e278b3
[cmake][interpreter] Remove `CLANG_ENABLE_ARCMT`
devajithvs
committed
3587115

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Update ROOT and Cling to LLVM22 - #21658

Update ROOT and Cling to LLVM22#21658
dpiparo merged 32 commits into
root-project:masterfrom
devajithvs:ROOT-llvm22

Commits on Jul 20, 2026

Import ROOT-llvm22

[cling][LLVM22] Misc adaptations for updated APIs

[cling] Unload: TopLevelStmtDecl special casing

[core][LLVM22] Adapt to LLVM 22 API changes

[cling][AST] Add utility function `QualifyTypeUnderPrefix`

[cling][AST] Copy `QualTypeName.cpp` functions into `AST.cpp`

[cling][LLVM22] Adapt to the LLVM 22 NestedNameSpecifier changes

[core][LLVM22] Adapt to the LLVM 22 NestedNameSpecifier changes

[cling][AST] Add `getFullyQualifiedType` changes needed for cling

[cling][AST][Desugar] Strip AutoType early before the type-specific handling

[cling][AST] PartialDesugaring: Fix loss of namespace prefix for TST

[cling][AST] Strip unnecessary global '::' qualifier for TemplateNames

[cling][AST] Restore partial desugaring of global RecordType prefixes in LLVM22

[cling][AST] Remove dead ElaboratedType code paths

[cling] Desugar `__size_t` and `__ptrdiff_t` aliases back to standard types

[TCling] Strip tag keywords to handle LLVM22 elaborated type removal

[cling][test] Update output print types

[cling][test] Fix Transform test: populate m_toReplace for std::string

[roottest] Update reference files after LLVM22

[roottest][meta] Update test-case to reflect what was written

[cppyy] Unmark xfail, this test now passes with LLVM22

[cling] Enable SuppressTagKeywordInAnonNames by default

[cling][macos] Allow framework includes in System group in CopyIncludePaths

[cling] Clear `UnsubstitutedConstraintSatisfactionCache` on unload

[cling] Suppress SFINAE diagnostics in InstantiateTemplateWithDefaults

[adaptivecpp] Turn off AdaptiveCpp temporarily

[CI][llvm-project] Only compare what is already there in third-party

[cling] Fix dangling StringRef

[interpreter] Update `CLANG_CMAKE_DIR` after LLVM22 update

[clad] Add upstream patch fixing windows builds

[cling][AST] Preserve `using` aliases in GetFullTypeName

[cmake][interpreter] Remove `CLANG_ENABLE_ARCMT`