Merge branch 'main' into bump-libcxx-next-11-14-25

Author: ldionne

.github/CODEOWNERS

@@ -28,6 +28,9 @@
 /llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp @nikic
 /llvm/lib/Transforms/InstCombine/ @nikic
 
+# AMDGPU buffer pointer lowerings
+/llvm/lib/Target/AMDGPU/AMDGPULowerBufferFatPointers.cpp @krzysz00
+
 /clang/test/CXX/drs/ @Endilll
 /clang/www/cxx_dr_status.html @Endilll
 /clang/www/make_cxx_dr_status @Endilll
@@ -93,9 +96,9 @@
 /mlir/lib/Dialect/Linalg/Transforms/DecomposeLinalgOps.cpp @MaheshRavishankar @nicolasvasilache
 /mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp @dcaballe @MaheshRavishankar @nicolasvasilache
 /mlir/lib/Dialect/Linalg/Transforms/ElementwiseOpFusion.cpp @MaheshRavishankar @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/DataLayoutPropagation.cpp @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/Transforms.cpp @dcaballe @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp @banach-space @dcaballe @hanhanW @nicolasvasilache @Groverkss
+/mlir/lib/Dialect/Linalg/Transforms/DataLayoutPropagation.cpp @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/Transforms.cpp @dcaballe @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp @banach-space @dcaballe @nicolasvasilache @Groverkss
 
 # MemRef Dialect in MLIR.
 /mlir/lib/Dialect/MemRef/Transforms/EmulateNarrowType.cpp @MaheshRavishankar @nicolasvasilache
@@ -112,16 +115,16 @@
 /mlir/include/mlir/Dialect/Vector @banach-space @dcaballe @nicolasvasilache @Groverkss
 /mlir/include/mlir/Dialect/Vector/IR @kuhar
 /mlir/lib/Dialect/Vector @banach-space @dcaballe @nicolasvasilache @Groverkss
-/mlir/lib/Dialect/Vector/Transforms/* @banach-space @dcaballe @hanhanW @nicolasvasilache
+/mlir/lib/Dialect/Vector/Transforms/* @banach-space @dcaballe @nicolasvasilache
 /mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp @banach-space @dcaballe @MaheshRavishankar @nicolasvasilache
-/mlir/**/*EmulateNarrowType* @dcaballe @hanhanW
+/mlir/**/*EmulateNarrowType* @dcaballe
 
 # Presburger library in MLIR
 /mlir/**/*Presburger* @Groverkss @Superty
 
 # Tensor Dialect in MLIR.
-/mlir/lib/Dialect/Tensor/IR/TensorTilingInterfaceImpl.cpp @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Tensor/Transforms/* @hanhanW @nicolasvasilache
+/mlir/lib/Dialect/Tensor/IR/TensorTilingInterfaceImpl.cpp @nicolasvasilache
+/mlir/lib/Dialect/Tensor/Transforms/* @nicolasvasilache
 
 # Transform Dialect in MLIR.
 /mlir/include/mlir/Dialect/Transform/* @ftynse @nicolasvasilache @rolfmorel

.github/workflows/bazel-checks.yml

@@ -22,7 +22,7 @@ jobs:
     if: github.repository == 'llvm/llvm-project'
     steps:
       - name: Fetch LLVM sources
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: Setup Buildifier
         run: |
           sudo curl -L https://github.com/bazelbuild/buildtools/releases/download/v8.2.1/buildifier-linux-amd64 -o /usr/bin/buildifier --fail
@@ -41,7 +41,7 @@ jobs:
     if: github.repository == 'llvm/llvm-project'
     steps:
       - name: Fetch LLVM sources
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         # TODO(boomanaiden154): We should use a purpose built container for this. Move
         # over when we have fixed the issues with using custom containers with Github
         # ARC in GKE.

.github/workflows/build-ci-container-tooling.yml

@@ -41,7 +41,7 @@ jobs:
             target: abi-tests
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/workflows/containers/github-action-ci-tooling/
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/actions/push-container

.github/workflows/build-ci-container-windows.yml

@@ -25,7 +25,7 @@ jobs:
       container-filename: ${{ steps.vars.outputs.container-filename }}
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: .github/workflows/containers/github-action-ci-windows
       - name: Write Variables

.github/workflows/build-ci-container.yml

@@ -36,7 +36,7 @@ jobs:
           - cd $HOME && printf '#include <iostream>\nint main(int argc, char **argv) { std::cout << "Hello\\n"; }' | clang++ -x c++ - && ./a.out | grep Hello
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/workflows/containers/github-action-ci/
@@ -62,7 +62,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/actions/push-container

.github/workflows/build-metrics-container.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .ci/metrics/
@@ -46,7 +46,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout LLVM
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: |
             .github/actions/push-container

.github/workflows/check-ci.yml

@@ -22,7 +22,7 @@ jobs:
     if: github.repository == 'llvm/llvm-project'
     steps:
       - name: Fetch LLVM sources
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: .ci
       - name: Setup Python

.github/workflows/ci-post-commit-analyzer.yml

@@ -41,7 +41,7 @@ jobs:
       LLVM_VERSION: 18
     steps:
       - name: Checkout Source
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Setup ccache
         uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639 # v1.2.20

.github/workflows/commit-access-greeter.yml

@@ -18,7 +18,7 @@ jobs:
       github.event.label.name == 'infra:commit-access-request'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           sparse-checkout: llvm/utils/git/
 

.github/workflows/commit-access-review.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Fetch LLVM sources
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
 
       - name: Install dependencies
         run: |