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According to the status of branch rename 
<https://foundation.llvm.org/docs/branch-rename/>, the master branch of the 
LLVM repository is removed on 28 Jan 2021.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95766

Files:
  clang-tools-extra/clang-tidy/google/AvoidUnderscoreInGoogletestNameCheck.h
  clang-tools-extra/clangd/README.md
  clang-tools-extra/docs/clang-rename.rst
  clang-tools-extra/docs/clang-tidy/Contributing.rst
  clang-tools-extra/docs/clang-tidy/Integrations.rst
  clang/docs/ClangPlugins.rst
  clang/docs/ClangTools.rst
  clang/docs/ControlFlowIntegrityDesign.rst
  clang/docs/InternalsManual.rst
  clang/docs/LibTooling.rst
  clang/lib/CodeGen/CGOpenMPRuntime.cpp
  clang/www/analyzer/checker_dev_manual.html
  clang/www/analyzer/open_projects.html
  clang/www/hacking.html
  clang/www/menu.html.incl
  compiler-rt/include/sanitizer/tsan_interface_atomic.h
  compiler-rt/lib/tsan/rtl/tsan_interface.h
  compiler-rt/www/menu.html.incl
  flang/README.md
  flang/docs/_templates/indexsidebar.html
  flang/docs/flang-c-style.el
  libcxx/docs/index.rst
  libcxx/www/atomic_design.html
  libcxx/www/atomic_design_a.html
  libcxx/www/atomic_design_b.html
  libcxx/www/atomic_design_c.html
  libcxx/www/index.html
  libcxx/www/ts1z_status.html
  libcxx/www/type_traits_design.html
  libcxx/www/upcoming_meeting.html
  libcxxabi/www/index.html
  libunwind/docs/index.rst
  lldb/docs/resources/build.rst
  lldb/docs/resources/test.rst
  lldb/docs/use/python-reference.rst
  llvm/docs/Vectorizers.rst
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/matmul.ll
  llvm/utils/lit/setup.py
  mlir/docs/DeclarativeRewrites.md
  mlir/docs/Dialects/SPIR-V.md
  mlir/docs/Dialects/Vector.md
  mlir/docs/OpDefinitions.md
  mlir/docs/PatternRewriter.md
  mlir/docs/Rationale/RationaleGenericDAGRewriter.md
  mlir/docs/SPIRVToLLVMDialectConversion.md
  mlir/docs/ShapeInference.md
  mlir/docs/Tutorials/UnderstandingTheIRStructure.md
  openmp/www/index.html
  polly/www/menu.html.incl

Index: polly/www/menu.html.incl
===================================================================
--- polly/www/menu.html.incl
+++ polly/www/menu.html.incl
@@ -34,7 +34,7 @@
     <a href="http://lab.llvm.org:8080/coverage/coverage-reports/polly/index.html";>Code Coverage</a>
     <a href="http://llvm.org/reports/scan-build/";>Static analysis</a>
     <a href="/doxygen/">Doxygen</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/polly";>Source @ GitHub</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/polly";>Source @ GitHub</a>
   </div>
 
   <div class="submenu">
Index: openmp/www/index.html
===================================================================
--- openmp/www/index.html
+++ openmp/www/index.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/openmp-dev";>openmp-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/openmp-commits";>openmp-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/openmp";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/openmp";>Browse Sources</a>
   </div>
 </div>
 
Index: mlir/docs/Tutorials/UnderstandingTheIRStructure.md
===================================================================
--- mlir/docs/Tutorials/UnderstandingTheIRStructure.md
+++ mlir/docs/Tutorials/UnderstandingTheIRStructure.md
@@ -86,7 +86,7 @@
 ```
 
 The code for the pass is available
-[here in the repo](https://github.com/llvm/llvm-project/blob/master/mlir/test/lib/IR/TestPrintNesting.cpp)
+[here in the repo](https://github.com/llvm/llvm-project/blob/main/mlir/test/lib/IR/TestPrintNesting.cpp)
 and can be exercised with `mlir-opt -test-print-nesting`.
 
 ### Example
@@ -273,7 +273,7 @@
 ```
 
 The illustrating code for this pass is available
-[here in the repo](https://github.com/llvm/llvm-project/blob/master/mlir/test/lib/IR/TestPrintDefUse.cpp)
+[here in the repo](https://github.com/llvm/llvm-project/blob/main/mlir/test/lib/IR/TestPrintDefUse.cpp)
 and can be exercised with `mlir-opt -test-print-defuse`.
 
 The chaining of `Value`s and their uses can be viewed as following:
Index: mlir/docs/ShapeInference.md
===================================================================
--- mlir/docs/ShapeInference.md
+++ mlir/docs/ShapeInference.md
@@ -291,5 +291,5 @@
 the shape function. The reference implementation is general and can support the
 arbitrary computations needed to specify output shapes.
 
-[InferTypeOpInterface]: https://github.com/llvm/llvm-project/tree/master/mlir/include/mlir/Interfaces/InferTypeOpInterface.td
-[ShapedType]: https://github.com/llvm/llvm-project/tree/master/mlir/include/mlir/IR/BuiltinTypes.h
+[InferTypeOpInterface]: https://github.com/llvm/llvm-project/tree/main/mlir/include/mlir/Interfaces/InferTypeOpInterface.td
+[ShapedType]: https://github.com/llvm/llvm-project/tree/main/mlir/include/mlir/IR/BuiltinTypes.h
Index: mlir/docs/SPIRVToLLVMDialectConversion.md
===================================================================
--- mlir/docs/SPIRVToLLVMDialectConversion.md
+++ mlir/docs/SPIRVToLLVMDialectConversion.md
@@ -951,4 +951,4 @@
 
 [LLVMFunctionAttributes]: https://llvm.org/docs/LangRef.html#function-attributes
 [SPIRVFunctionAttributes]: https://www.khronos.org/registry/spir-v/specs/unified1/SPIRV.html#_a_id_function_control_a_function_control
-[VulkanLayoutUtils]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/LayoutUtils.h
+[VulkanLayoutUtils]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/LayoutUtils.h
Index: mlir/docs/Rationale/RationaleGenericDAGRewriter.md
===================================================================
--- mlir/docs/Rationale/RationaleGenericDAGRewriter.md
+++ mlir/docs/Rationale/RationaleGenericDAGRewriter.md
@@ -97,7 +97,7 @@
 GCC
 ["combine" routines](https://github.com/gcc-mirror/gcc/blob/master/gcc/combine.c)
 (which try to merge two machine instructions into a single one), the LLVM
-[Inst Combine](https://github.com/llvm/llvm-project/tree/master/llvm/lib/Transforms/InstCombine)
+[Inst Combine](https://github.com/llvm/llvm-project/tree/main/llvm/lib/Transforms/InstCombine)
 [pass](https://llvm.org/docs/Passes.html#instcombine-combine-redundant-instructions),
 LLVM's
 [DAG Combiner](https://github.com/llvm-mirror/llvm/blob/master/lib/CodeGen/SelectionDAG/DAGCombiner.cpp),
@@ -105,7 +105,7 @@
 [SIL Combiner](https://github.com/apple/swift/tree/master/lib/SILOptimizer/SILCombiner),
 etc. These generally match one or more operations and produce zero or more
 operations as a result. The LLVM
-[Legalization](https://github.com/llvm/llvm-project/tree/master/llvm/lib/CodeGen/SelectionDAG)
+[Legalization](https://github.com/llvm/llvm-project/tree/main/llvm/lib/CodeGen/SelectionDAG)
 infrastructure has a different outer loop but otherwise works the same way.
 
 These passes have a lot of diversity, but also have a unifying structure: they
@@ -184,7 +184,7 @@
 This example defines a matcher for the
 ["blci" instruction](https://en.wikipedia.org/wiki/Bit_Manipulation_Instruction_Sets#TBM_\(Trailing_Bit_Manipulation\))
 in the
-[X86 target description](https://github.com/llvm/llvm-project/blob/master/llvm/lib/Target/X86/X86InstrInfo.td),
+[X86 target description](https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/X86/X86InstrInfo.td),
 there are many others in that file (look for `Pat<>` patterns, since they aren't
 entangled in details of the compiler like assembler/disassembler generation
 logic).
Index: mlir/docs/PatternRewriter.md
===================================================================
--- mlir/docs/PatternRewriter.md
+++ mlir/docs/PatternRewriter.md
@@ -114,7 +114,7 @@
 class. This is required because the underlying pattern driver may have state
 that would be invalidated when a mutation takes place. Examples of some of the
 more prevalent `PatternRewriter` API is shown below, please refer to the
-[class documentation](https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/IR/PatternMatch.h#L235)
+[class documentation](https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/IR/PatternMatch.h#L235)
 for a more up-to-date listing of the available API:
 
 *   Erase an Operation : `eraseOp`
Index: mlir/docs/OpDefinitions.md
===================================================================
--- mlir/docs/OpDefinitions.md
+++ mlir/docs/OpDefinitions.md
@@ -1796,9 +1796,9 @@
 [TableGen]: https://llvm.org/docs/TableGen/index.html
 [TableGenProgRef]: https://llvm.org/docs/TableGen/ProgRef.html
 [TableGenBackend]: https://llvm.org/docs/TableGen/BackEnds.html#introduction
-[OpBase]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/IR/OpBase.td
-[OpDefinitionsGen]: https://github.com/llvm/llvm-project/blob/master/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
-[EnumsGen]: https://github.com/llvm/llvm-project/blob/master/mlir/tools/mlir-tblgen/EnumsGen.cpp
+[OpBase]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/IR/OpBase.td
+[OpDefinitionsGen]: https://github.com/llvm/llvm-project/blob/main/mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
+[EnumsGen]: https://github.com/llvm/llvm-project/blob/main/mlir/tools/mlir-tblgen/EnumsGen.cpp
 [StringAttr]: LangRef.md#string-attribute
 [IntegerAttr]: LangRef.md#integer-attribute
-[AttrClasses]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/IR/Attributes.h
+[AttrClasses]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/IR/Attributes.h
Index: mlir/docs/Dialects/Vector.md
===================================================================
--- mlir/docs/Dialects/Vector.md
+++ mlir/docs/Dialects/Vector.md
@@ -116,10 +116,10 @@
 
 The list of Vector is currently undergoing evolutions and is best kept
 track of by following the evolution of the
-[VectorOps.td](https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/Vector/VectorOps.td)
+[VectorOps.td](https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/Vector/VectorOps.td)
 ODS file (markdown documentation is automatically generated locally when
 building and populates the [Vector
-doc](https://github.com/llvm/llvm-project/blob/master/mlir/docs/Dialects/Vector.md)). Recent
+doc](https://github.com/llvm/llvm-project/blob/main/mlir/docs/Dialects/Vector.md)). Recent
 extensions are driven by concrete use cases of interest. A notable such use
 case is the `vector.contract` op which applies principles of the StructuredOps
 abstraction to `vector` types.
@@ -149,7 +149,7 @@
 lowering](https://github.com/tensorflow/mlir/commit/957b1ca9680b4aacabb3a480fbc4ebd2506334b8)).
 
 Simple [conversion
-tests](https://github.com/llvm/llvm-project/blob/master/mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir)
+tests](https://github.com/llvm/llvm-project/blob/main/mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir)
 are available for the `LLVM` target starting from the Virtual Vector Level.
 
 ## Rationale
@@ -225,7 +225,7 @@
 Irrespective of the existence of an auto-vectorizer, one can build a notional
 vector language based on the VectorOps dialect and build end-to-end models
 with expressing `vector`s in the IR directly and simple
-pattern-rewrites. [EDSC](https://github.com/llvm/llvm-project/blob/master/mlir/docs/EDSC.md)s
+pattern-rewrites. [EDSC](https://github.com/llvm/llvm-project/blob/main/mlir/docs/EDSC.md)s
 provide a simple way of driving such a notional language directly in C++.
 
 ## Bikeshed Naming Discussion
Index: mlir/docs/Dialects/SPIR-V.md
===================================================================
--- mlir/docs/Dialects/SPIR-V.md
+++ mlir/docs/Dialects/SPIR-V.md
@@ -1387,7 +1387,7 @@
 [SpirvTools]: https://github.com/KhronosGroup/SPIRV-Tools
 [Rationale]: ../Rationale/#block-arguments-vs-phi-nodes
 [ODS]: ../OpDefinitions.md
-[GreedyPatternRewriter]: https://github.com/llvm/llvm-project/blob/master/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp
+[GreedyPatternRewriter]: https://github.com/llvm/llvm-project/blob/main/mlir/lib/Transforms/Utils/GreedyPatternRewriteDriver.cpp
 [MlirDialectConversionTypeConversion]: ../DialectConversion.md#type-converter
 [MlirDialectConversionRewritePattern]: ../DialectConversion.md#conversion-patterns
 [MlirDialectConversionSignatureConversion]: ../DialectConversion.md#region-signature-conversion
@@ -1399,26 +1399,26 @@
 [MlirIndexType]: ../LangRef.md#index-type
 [MlirGpuDialect]: ../Dialects/GPU.md
 [MlirStandardDialect]: ../Dialects/Standard.md
-[MlirSpirvHeaders]: https://github.com/llvm/llvm-project/tree/master/mlir/include/mlir/Dialect/SPIRV
-[MlirSpirvLibs]: https://github.com/llvm/llvm-project/tree/master/mlir/lib/Dialect/SPIRV
-[MlirSpirvTests]: https://github.com/llvm/llvm-project/tree/master/mlir/test/Dialect/SPIRV
-[MlirSpirvUnittests]: https://github.com/llvm/llvm-project/tree/master/mlir/unittests/Dialect/SPIRV
-[MlirGpuToSpirvHeaders]: https://github.com/llvm/llvm-project/tree/master/mlir/include/mlir/Conversion/GPUToSPIRV
-[MlirGpuToSpirvLibs]: https://github.com/llvm/llvm-project/tree/master/mlir/lib/Conversion/GPUToSPIRV
-[MlirStdToSpirvHeaders]: https://github.com/llvm/llvm-project/tree/master/mlir/include/mlir/Conversion/StandardToSPIRV
-[MlirStdToSpirvLibs]: https://github.com/llvm/llvm-project/tree/master/mlir/lib/Conversion/StandardToSPIRV
-[MlirSpirvDialect]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVDialect.h
-[MlirSpirvTypes]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVTypes.h
-[MlirSpirvOpsH]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVOps.h
-[MlirSpirvSerialization]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Target/SPIRV/Serialization.h
-[MlirSpirvBase]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVBase.td
-[MlirSpirvPasses]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/Transforms/Passes.h
-[MlirSpirvConversion]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h
-[MlirSpirvAbi]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/Dialect/SPIRV/IR/TargetAndABI.h
-[MlirSpirvOpsCpp]: https://github.com/llvm/llvm-project/blob/master/mlir/lib/Dialect/SPIRV/IR/SPIRVOps.cpp
+[MlirSpirvHeaders]: https://github.com/llvm/llvm-project/tree/main/mlir/include/mlir/Dialect/SPIRV
+[MlirSpirvLibs]: https://github.com/llvm/llvm-project/tree/main/mlir/lib/Dialect/SPIRV
+[MlirSpirvTests]: https://github.com/llvm/llvm-project/tree/main/mlir/test/Dialect/SPIRV
+[MlirSpirvUnittests]: https://github.com/llvm/llvm-project/tree/main/mlir/unittests/Dialect/SPIRV
+[MlirGpuToSpirvHeaders]: https://github.com/llvm/llvm-project/tree/main/mlir/include/mlir/Conversion/GPUToSPIRV
+[MlirGpuToSpirvLibs]: https://github.com/llvm/llvm-project/tree/main/mlir/lib/Conversion/GPUToSPIRV
+[MlirStdToSpirvHeaders]: https://github.com/llvm/llvm-project/tree/main/mlir/include/mlir/Conversion/StandardToSPIRV
+[MlirStdToSpirvLibs]: https://github.com/llvm/llvm-project/tree/main/mlir/lib/Conversion/StandardToSPIRV
+[MlirSpirvDialect]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVDialect.h
+[MlirSpirvTypes]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVTypes.h
+[MlirSpirvOpsH]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVOps.h
+[MlirSpirvSerialization]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Target/SPIRV/Serialization.h
+[MlirSpirvBase]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/IR/SPIRVBase.td
+[MlirSpirvPasses]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/Transforms/Passes.h
+[MlirSpirvConversion]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/Transforms/SPIRVConversion.h
+[MlirSpirvAbi]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/Dialect/SPIRV/IR/TargetAndABI.h
+[MlirSpirvOpsCpp]: https://github.com/llvm/llvm-project/blob/main/mlir/lib/Dialect/SPIRV/IR/SPIRVOps.cpp
 [GitHubDialectTracking]: https://github.com/tensorflow/mlir/issues/302
 [GitHubLoweringTracking]: https://github.com/tensorflow/mlir/issues/303
-[GenSpirvUtilsPy]: https://github.com/llvm/llvm-project/blob/master/mlir/utils/spirv/gen_spirv_dialect.py
+[GenSpirvUtilsPy]: https://github.com/llvm/llvm-project/blob/main/mlir/utils/spirv/gen_spirv_dialect.py
 [CustomTypeAttrTutorial]: ../Tutorials/DefiningAttributesAndTypes.md
 [VulkanExtensionPhysicalStorageBuffer]: https://github.com/KhronosGroup/SPIRV-Registry/blob/master/extensions/KHR/SPV_KHR_physical_storage_buffer.html
 [VulkanExtensionVariablePointers]: https://github.com/KhronosGroup/SPIRV-Registry/blob/master/extensions/KHR/SPV_KHR_variable_pointers.html
Index: mlir/docs/DeclarativeRewrites.md
===================================================================
--- mlir/docs/DeclarativeRewrites.md
+++ mlir/docs/DeclarativeRewrites.md
@@ -740,4 +740,4 @@
 details.
 
 [TableGen]: https://llvm.org/docs/TableGen/index.html
-[OpBase]: https://github.com/llvm/llvm-project/blob/master/mlir/include/mlir/IR/OpBase.td
+[OpBase]: https://github.com/llvm/llvm-project/blob/main/mlir/include/mlir/IR/OpBase.td
Index: llvm/utils/lit/setup.py
===================================================================
--- llvm/utils/lit/setup.py
+++ llvm/utils/lit/setup.py
@@ -54,7 +54,7 @@
 ======
 
 The *lit* source is available as part of LLVM, in the LLVM source repository:
-https://github.com/llvm/llvm-project/tree/master/llvm/utils/lit
+https://github.com/llvm/llvm-project/tree/main/llvm/utils/lit
 """,
 
     classifiers=[
Index: llvm/test/Transforms/SLPVectorizer/AArch64/matmul.ll
===================================================================
--- llvm/test/Transforms/SLPVectorizer/AArch64/matmul.ll
+++ llvm/test/Transforms/SLPVectorizer/AArch64/matmul.ll
@@ -4,7 +4,7 @@
 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
 
 ; This test is reduced from the matrix multiplication benchmark in the test-suite:
-; https://github.com/llvm/llvm-test-suite/tree/master/SingleSource/Benchmarks/Misc/matmul_f64_4x4.c
+; https://github.com/llvm/llvm-test-suite/tree/main/SingleSource/Benchmarks/Misc/matmul_f64_4x4.c
 ; The operations here are expected to be vectorized to <2 x double>.
 ; Otherwise, performance will suffer on Cortex-A53.
 
Index: llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -6514,7 +6514,7 @@
 
   // Expand f32 -> i64 conversion
   // This algorithm comes from compiler-rt's implementation of fixsfdi:
-  // https://github.com/llvm/llvm-project/blob/master/compiler-rt/lib/builtins/fixsfdi.c
+  // https://github.com/llvm/llvm-project/blob/main/compiler-rt/lib/builtins/fixsfdi.c
   unsigned SrcEltBits = SrcVT.getScalarSizeInBits();
   EVT IntVT = SrcVT.changeTypeToInteger();
   EVT IntShVT = getShiftAmountTy(IntVT, DAG.getDataLayout());
Index: llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -5242,7 +5242,7 @@
 
   // Expand f32 -> i64 conversion
   // This algorithm comes from compiler-rt's implementation of fixsfdi:
-  // https://github.com/llvm/llvm-project/blob/master/compiler-rt/lib/builtins/fixsfdi.c
+  // https://github.com/llvm/llvm-project/blob/main/compiler-rt/lib/builtins/fixsfdi.c
 
   unsigned SrcEltBits = SrcTy.getScalarSizeInBits();
 
Index: llvm/docs/Vectorizers.rst
===================================================================
--- llvm/docs/Vectorizers.rst
+++ llvm/docs/Vectorizers.rst
@@ -393,7 +393,7 @@
 -----------
 
 This section shows the execution time of Clang on a simple benchmark:
-`gcc-loops <https://github.com/llvm/llvm-test-suite/tree/master/SingleSource/UnitTests/Vectorizer>`_.
+`gcc-loops <https://github.com/llvm/llvm-test-suite/tree/main/SingleSource/UnitTests/Vectorizer>`_.
 This benchmarks is a collection of loops from the GCC autovectorization
 `page <http://gcc.gnu.org/projects/tree-ssa/vectorization.html>`_ by Dorit Nuzman.
 
Index: lldb/docs/use/python-reference.rst
===================================================================
--- lldb/docs/use/python-reference.rst
+++ lldb/docs/use/python-reference.rst
@@ -420,11 +420,11 @@
 There is a longer discussion of scripted thread plans and the state machine,
 and several interesting examples of their use in:
 
-https://github.com/llvm/llvm-project/blob/master/lldb/examples/python/scripted_step.py
+https://github.com/llvm/llvm-project/blob/main/lldb/examples/python/scripted_step.py
 
 And for a MUCH fuller discussion of the whole state machine, see:
 
-https://github.com/llvm/llvm-project/blob/master/lldb/include/lldb/Target/ThreadPlan.h
+https://github.com/llvm/llvm-project/blob/main/lldb/include/lldb/Target/ThreadPlan.h
 
 If you are reading those comments it is useful to know that scripted thread
 plans are set to be "MasterPlans", and not "OkayToDiscard".
@@ -625,7 +625,7 @@
 A more interesting template has been created in the source repository that can
 help you to create lldb command quickly:
 
-https://github.com/llvm/llvm-project/blob/master/lldb/examples/python/cmdtemplate.py
+https://github.com/llvm/llvm-project/blob/main/lldb/examples/python/cmdtemplate.py
 
 A commonly required facility is being able to create a command that does some
 token substitution, and then runs a different debugger command (usually, it
Index: lldb/docs/resources/test.rst
===================================================================
--- lldb/docs/resources/test.rst
+++ lldb/docs/resources/test.rst
@@ -99,10 +99,10 @@
 several extensions and custom test primitives on top of what's offered by
 `unittest2 <https://docs.python.org/2/library/unittest.html>`_. Those can be
 found  in
-`lldbtest.py <https://github.com/llvm/llvm-project/blob/master/lldb/packages/Python/lldbsuite/test/lldbtest.py>`_.
+`lldbtest.py <https://github.com/llvm/llvm-project/blob/main/lldb/packages/Python/lldbsuite/test/lldbtest.py>`_.
 
 Below is the directory layout of the `example API test
-<https://github.com/llvm/llvm-project/tree/master/lldb/test/API/sample_test>`_.
+<https://github.com/llvm/llvm-project/tree/main/lldb/test/API/sample_test>`_.
 The test directory will always contain a python file, starting with ``Test``.
 Most of the tests are structured as a binary being debugged, so there will be
 one or more source files and a ``Makefile``.
@@ -127,7 +127,7 @@
 operations, such as creating targets, setting breakpoints etc. When code is
 shared across tests, we extract it into a utility in ``lldbutil``. It's always
 worth taking a look at  `lldbutil
-<https://github.com/llvm/llvm-project/blob/master/lldb/packages/Python/lldbsuite/test/lldbutil.py>`_
+<https://github.com/llvm/llvm-project/blob/main/lldb/packages/Python/lldbsuite/test/lldbutil.py>`_
 to see if there's a utility to simplify some of the testing boiler plate.
 Because we can't always audit every existing test, this is doubly true when
 looking at an existing test for inspiration.
@@ -168,7 +168,7 @@
   include Makefile.rules
 
 Finding the right variables to set can be tricky. You can always take a look at
-`Makefile.rules <https://github.com/llvm/llvm-project/blob/master/lldb/packages/Python/lldbsuite/test/make/Makefile.rules>`_
+`Makefile.rules <https://github.com/llvm/llvm-project/blob/main/lldb/packages/Python/lldbsuite/test/make/Makefile.rules>`_
 but often it's easier to find an existing ``Makefile`` that does something
 similar to what you want to do.
 
Index: lldb/docs/resources/build.rst
===================================================================
--- lldb/docs/resources/build.rst
+++ lldb/docs/resources/build.rst
@@ -12,7 +12,7 @@
 general instructions on how to check out the LLVM monorepo, which contains the
 LLDB sources.
 
-Git browser: https://github.com/llvm/llvm-project/tree/master/lldb
+Git browser: https://github.com/llvm/llvm-project/tree/main/lldb
 
 Preliminaries
 -------------
@@ -326,7 +326,7 @@
 A cache is passed to CMake with the ``-C`` flag, following the absolute path to
 the file on disk. Subsequent ``-D`` options are still allowed. Please find the
 currently available caches in the `lldb/cmake/caches/
-<https://github.com/llvm/llvm-project/tree/master/lldb/cmake/caches>`_
+<https://github.com/llvm/llvm-project/tree/main/lldb/cmake/caches>`_
 directory.
 
 Common configurations on macOS
Index: libunwind/docs/index.rst
===================================================================
--- libunwind/docs/index.rst
+++ libunwind/docs/index.rst
@@ -101,4 +101,4 @@
 * `LLVM Bugzilla <https://bugs.llvm.org/>`_
 * `cfe-commits Mailing List`_
 * `cfe-dev Mailing List`_
-* `Browse libunwind Sources <https://github.com/llvm/llvm-project/blob/master/libunwind/>`_
+* `Browse libunwind Sources <https://github.com/llvm/llvm-project/blob/main/libunwind/>`_
Index: libcxxabi/www/index.html
===================================================================
--- libcxxabi/www/index.html
+++ libcxxabi/www/index.html
@@ -26,7 +26,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/libcxx-dev";>libcxx-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/libcxx-commits";>libcxx-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxxabi/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxxabi/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/upcoming_meeting.html
===================================================================
--- libcxx/www/upcoming_meeting.html
+++ libcxx/www/upcoming_meeting.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/type_traits_design.html
===================================================================
--- libcxx/www/type_traits_design.html
+++ libcxx/www/type_traits_design.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/ts1z_status.html
===================================================================
--- libcxx/www/ts1z_status.html
+++ libcxx/www/ts1z_status.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/index.html
===================================================================
--- libcxx/www/index.html
+++ libcxx/www/index.html
@@ -26,7 +26,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/libcxx-dev";>libcxx-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/libcxx-commits";>libcxx-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/atomic_design_c.html
===================================================================
--- libcxx/www/atomic_design_c.html
+++ libcxx/www/atomic_design_c.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/atomic_design_b.html
===================================================================
--- libcxx/www/atomic_design_b.html
+++ libcxx/www/atomic_design_b.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/atomic_design_a.html
===================================================================
--- libcxx/www/atomic_design_a.html
+++ libcxx/www/atomic_design_a.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/www/atomic_design.html
===================================================================
--- libcxx/www/atomic_design.html
+++ libcxx/www/atomic_design.html
@@ -25,7 +25,7 @@
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-dev";>cfe-dev</a>
     <a href="https://lists.llvm.org/mailman/listinfo/cfe-commits";>cfe-commits</a>
     <a href="https://bugs.llvm.org/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/libcxx/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/libcxx/";>Browse Sources</a>
   </div>
 </div>
 
Index: libcxx/docs/index.rst
===================================================================
--- libcxx/docs/index.rst
+++ libcxx/docs/index.rst
@@ -219,4 +219,4 @@
 * `LLVM Bugzilla <https://bugs.llvm.org/>`_
 * `libcxx-commits Mailing List`_
 * `libcxx-dev Mailing List`_
-* `Browse libc++ Sources <https://github.com/llvm/llvm-project/tree/master/libcxx/>`_
+* `Browse libc++ Sources <https://github.com/llvm/llvm-project/tree/main/libcxx/>`_
Index: flang/docs/flang-c-style.el
===================================================================
--- flang/docs/flang-c-style.el
+++ flang/docs/flang-c-style.el
@@ -9,7 +9,7 @@
 ;; Define a cc-mode style for editing C++ codes in Flang.
 ;;
 ;; Inspired from LLVM style in
-;;    https://github.com/llvm-mirror/llvm/blob/master/utils/emacs/emacs.el
+;;    https://github.com/llvm/llvm-project/blob/main/llvm/utils/emacs/emacs.el
 ;;
 
 (c-add-style "flang"
Index: flang/docs/_templates/indexsidebar.html
===================================================================
--- flang/docs/_templates/indexsidebar.html
+++ flang/docs/_templates/indexsidebar.html
@@ -4,21 +4,21 @@
 <h3>Documentation</h3>
 
 <ul class="want-points">
-    <li><a href="https://github.com/llvm/llvm-project/blob/master/flang/README.md#getting-started";>Getting Started</a></li>
+    <li><a href="https://github.com/llvm/llvm-project/blob/main/flang/README.md#getting-started";>Getting Started</a></li>
 </ul>
 
 <h3>Getting Involved</h3>
 <! TODO: Point links to website(flang.llvm.org) and not github once webpage comes up.>
 <ul class="want-points">
-    <li><a href="https://github.com/llvm/llvm-project/blob/master/flang/docs/GettingInvolved.md#mailing-lists";>Mailing Lists</a></li>
-    <li><a href="https://github.com/llvm/llvm-project/blob/master/flang/docs/GettingInvolved.md#chat";>Slack</a></li>
-    <li><a href="https://github.com/llvm/llvm-project/blob/master/flang/docs/GettingInvolved.md#calls";>Calls</a></li>
+    <li><a href="https://github.com/llvm/llvm-project/blob/main/flang/docs/GettingInvolved.md#mailing-lists";>Mailing Lists</a></li>
+    <li><a href="https://github.com/llvm/llvm-project/blob/main/flang/docs/GettingInvolved.md#chat";>Slack</a></li>
+    <li><a href="https://github.com/llvm/llvm-project/blob/main/flang/docs/GettingInvolved.md#calls";>Calls</a></li>
 </ul>
 
 <h3>Additional Links</h3>
 
 <ul class="want-points">
-    <li><a href="https://github.com/llvm/llvm-project/tree/master/flang/";>Github Repository</a></li>
+    <li><a href="https://github.com/llvm/llvm-project/tree/main/flang/";>Github Repository</a></li>
     <li><a href="https://bugs.llvm.org/";>Bug Reports</a></li>
     <li><a href="https://reviews.llvm.org/";>Code Review</a></li>
 <! TODO: Have the bots setup first>
Index: flang/README.md
===================================================================
--- flang/README.md
+++ flang/README.md
@@ -34,7 +34,7 @@
 also review [how flang uses modern C++ features](docs/C++17.md).
 
 If you are interested in writing new documentation, follow 
-[markdown style guide from LLVM](https://github.com/llvm/llvm-project/blob/master/llvm/docs/MarkdownQuickstartTemplate.md).
+[markdown style guide from LLVM](https://github.com/llvm/llvm-project/blob/main/llvm/docs/MarkdownQuickstartTemplate.md).
 
 ## Supported C++ compilers
 
Index: compiler-rt/www/menu.html.incl
===================================================================
--- compiler-rt/www/menu.html.incl
+++ compiler-rt/www/menu.html.incl
@@ -13,6 +13,6 @@
     <a href="http://lists.llvm.org/mailman/listinfo/llvm-dev";>llvm-dev</a>
     <a href="http://lists.llvm.org/mailman/listinfo/llvm-commits";>llvm-commits</a>
     <a href="http://llvm.org/bugs/";>Bug Reports</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/compiler-rt/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/compiler-rt/";>Browse Sources</a>
   </div>
 </div>
Index: compiler-rt/lib/tsan/rtl/tsan_interface.h
===================================================================
--- compiler-rt/lib/tsan/rtl/tsan_interface.h
+++ compiler-rt/lib/tsan/rtl/tsan_interface.h
@@ -204,7 +204,7 @@
 #endif
 
 // Part of ABI, do not change.
-// https://github.com/llvm/llvm-project/blob/master/libcxx/include/atomic
+// https://github.com/llvm/llvm-project/blob/main/libcxx/include/atomic
 typedef enum {
   mo_relaxed,
   mo_consume,
Index: compiler-rt/include/sanitizer/tsan_interface_atomic.h
===================================================================
--- compiler-rt/include/sanitizer/tsan_interface_atomic.h
+++ compiler-rt/include/sanitizer/tsan_interface_atomic.h
@@ -30,7 +30,7 @@
 #endif
 
 // Part of ABI, do not change.
-// https://github.com/llvm/llvm-project/blob/master/libcxx/include/atomic
+// https://github.com/llvm/llvm-project/blob/main/libcxx/include/atomic
 typedef enum {
   __tsan_memory_order_relaxed,
   __tsan_memory_order_consume,
Index: clang/www/menu.html.incl
===================================================================
--- clang/www/menu.html.incl
+++ clang/www/menu.html.incl
@@ -43,7 +43,7 @@
   <div class="submenu">
     <label>The Code</label>
     <a href="/get_started.html#build">Check Out Sources</a>
-    <a href="https://github.com/llvm/llvm-project/tree/master/clang/";>Browse Sources</a>
+    <a href="https://github.com/llvm/llvm-project/tree/main/clang/";>Browse Sources</a>
     <a href="http://clang.llvm.org/doxygen/";>doxygen</a>
   </div>
 
Index: clang/www/hacking.html
===================================================================
--- clang/www/hacking.html
+++ clang/www/hacking.html
@@ -89,7 +89,7 @@
       wrapped <tt>Type*</tt> which you can then dump.</li>
       <li>For <a href="https://lldb.llvm.org";> <tt>LLDB</tt></a> users there are
       data formatters for clang data structures in
-      <a href="https://github.com/llvm/llvm-project/blob/master/clang/utils/ClangDataFormat.py";>
+      <a href="https://github.com/llvm/llvm-project/blob/main/clang/utils/ClangDataFormat.py";>
       <tt>clang/utils/ClangDataFormat.py</tt></a>.</li>
     </ul>
 
@@ -98,9 +98,9 @@
   <!--=====================================================================-->
 
   <p>The files
-    <a href="https://github.com/llvm/llvm-project/blob/master/llvm/utils/LLVMVisualizers/llvm.natvis";>
+    <a href="https://github.com/llvm/llvm-project/blob/main/llvm/utils/LLVMVisualizers/llvm.natvis";>
       <tt>llvm/utils/LLVMVisualizers/llvm.natvis</tt></a> and
-    <a href="https://github.com/llvm/llvm-project/blob/master/clang/utils/ClangVisualizers/clang.natvis";>
+    <a href="https://github.com/llvm/llvm-project/blob/main/clang/utils/ClangVisualizers/clang.natvis";>
       <tt>clang/utils/ClangVisualizers/clang.natvis</tt></a> provide debugger visualizers
       that make debugging of more complex data types much easier.</p>
   <p>For Visual Studio 2013 only, put the files into
Index: clang/www/analyzer/open_projects.html
===================================================================
--- clang/www/analyzer/open_projects.html
+++ clang/www/analyzer/open_projects.html
@@ -96,7 +96,7 @@
          We should model (potentially some of) such evaluations,
          and the same applies for destructors called from
          <code>operator delete[]</code>.
-         See tests cases in <a href="https://github.com/llvm/llvm-project/tree/master/clang/test/Analysis/handle_constructors_with_new_array.cpp";>handle_constructors_with_new_array.cpp</a>.
+         See tests cases in <a href="https://github.com/llvm/llvm-project/tree/main/clang/test/Analysis/handle_constructors_with_new_array.cpp";>handle_constructors_with_new_array.cpp</a>.
       </p>
       <p>
       Constructing an array requires invoking multiple (potentially unknown)
@@ -135,7 +135,7 @@
     <li>Handle constructors for default arguments
       <p>Default arguments in C++ are recomputed at every call,
          and are therefore local, and not static, variables.
-         See tests cases in <a href="https://github.com/llvm/llvm-project/tree/master/clang/test/Analysis/handle_constructors_for_default_arguments.cpp";>handle_constructors_for_default_arguments.cpp</a>.
+         See tests cases in <a href="https://github.com/llvm/llvm-project/tree/main/clang/test/Analysis/handle_constructors_for_default_arguments.cpp";>handle_constructors_for_default_arguments.cpp</a>.
       </p>
       <p>
       Default arguments are annoying because the initializer expression is
Index: clang/www/analyzer/checker_dev_manual.html
===================================================================
--- clang/www/analyzer/checker_dev_manual.html
+++ clang/www/analyzer/checker_dev_manual.html
@@ -789,11 +789,11 @@
 <li><a href="http://lcs.ios.ac.cn/~xuzb/canalyze/memmodel.pdf";>Xu, Zhongxing &
 Kremenek, Ted & Zhang, Jian. (2010). A Memory Model for Static Analysis of C
 Programs.</a></li>
-<li><a href="https://github.com/llvm/llvm-project/blob/master/clang/lib/StaticAnalyzer/README.txt";>
+<li><a href="https://github.com/llvm/llvm-project/blob/main/clang/lib/StaticAnalyzer/README.txt";>
 The Clang Static Analyzer README</a></li>
-<li><a href="https://github.com/llvm/llvm-project/blob/master/clang/docs/analyzer/RegionStore.txt";>
+<li><a href="https://github.com/llvm/llvm-project/blob/main/clang/docs/analyzer/RegionStore.txt";>
 Documentation for how the Store works</a></li>
-<li><a href="https://github.com/llvm/llvm-project/blob/master/clang/docs/analyzer/IPA.txt";>
+<li><a href="https://github.com/llvm/llvm-project/blob/main/clang/docs/analyzer/IPA.txt";>
 Documentation about inlining</a></li>
 <li> The "Building a Checker in 24 hours" presentation given at the <a
 href="https://llvm.org/devmtg/2012-11";>November 2012 LLVM Developer's
Index: clang/lib/CodeGen/CGOpenMPRuntime.cpp
===================================================================
--- clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -442,7 +442,7 @@
 
 /// Values for bit flags used in the ident_t to describe the fields.
 /// All enumeric elements are named and described in accordance with the code
-/// from https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h
+/// from https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h
 enum OpenMPLocationFlags : unsigned {
   /// Use trampoline for internal microtask.
   OMP_IDENT_IMD = 0x01,
@@ -497,7 +497,7 @@
 
 /// Describes ident structure that describes a source location.
 /// All descriptions are taken from
-/// https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h
+/// https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h
 /// Original structure:
 /// typedef struct ident {
 ///    kmp_int32 reserved_1;   /**<  might be used in Fortran;
@@ -4249,7 +4249,7 @@
   // kmp_int32 flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds,
   // kmp_routine_entry_t *task_entry);
   // Task flags. Format is taken from
-  // https://github.com/llvm/llvm-project/blob/master/openmp/runtime/src/kmp.h,
+  // https://github.com/llvm/llvm-project/blob/main/openmp/runtime/src/kmp.h,
   // description of kmp_tasking_flags struct.
   enum {
     TiedFlag = 0x1,
Index: clang/docs/LibTooling.rst
===================================================================
--- clang/docs/LibTooling.rst
+++ clang/docs/LibTooling.rst
@@ -198,4 +198,4 @@
 
 For a list of libraries to link, look at one of the tools' CMake files (for
 example `clang-check/CMakeList.txt
-<https://github.com/llvm/llvm-project/blob/master/clang/tools/clang-check/CMakeLists.txt>`_).
+<https://github.com/llvm/llvm-project/blob/main/clang/tools/clang-check/CMakeLists.txt>`_).
Index: clang/docs/InternalsManual.rst
===================================================================
--- clang/docs/InternalsManual.rst
+++ clang/docs/InternalsManual.rst
@@ -2260,7 +2260,7 @@
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 The first step to adding a new attribute to Clang is to add its definition to
 `include/clang/Basic/Attr.td
-<https://github.com/llvm/llvm-project/blob/master/clang/include/clang/Basic/Attr.td>`_.
+<https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Basic/Attr.td>`_.
 This tablegen definition must derive from the ``Attr`` (tablegen, not
 semantic) type, or one of its derivatives. Most attributes will derive from the
 ``InheritableAttr`` type, which specifies that the attribute can be inherited by
@@ -2328,10 +2328,10 @@
 either ``diag::warn_attribute_wrong_decl_type`` or
 ``diag::err_attribute_wrong_decl_type``, and the parameter enumeration is found
 in `include/clang/Sema/ParsedAttr.h
-<https://github.com/llvm/llvm-project/blob/master/clang/include/clang/Sema/ParsedAttr.h>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Sema/ParsedAttr.h>`_
 If a previously unused Decl node is added to the ``SubjectList``, the logic used
 to automatically determine the diagnostic parameter in `utils/TableGen/ClangAttrEmitter.cpp
-<https://github.com/llvm/llvm-project/blob/master/clang/utils/TableGen/ClangAttrEmitter.cpp>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/utils/TableGen/ClangAttrEmitter.cpp>`_
 may need to be updated.
 
 By default, all subjects in the SubjectList must either be a Decl node defined
@@ -2353,7 +2353,7 @@
 Documentation is table generated on the public web server by a server-side
 process that runs daily. Generally, the documentation for an attribute is a
 stand-alone definition in `include/clang/Basic/AttrDocs.td 
-<https://github.com/llvm/llvm-project/blob/master/clang/include/clang/Basic/AttrDocs.td>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Basic/AttrDocs.td>`_
 that is named after the attribute being documented.
 
 If the attribute is not for public consumption, or is an implicitly-created
@@ -2404,7 +2404,7 @@
 optional. The associated C++ type of the argument is determined by the argument
 definition type. If the existing argument types are insufficient, new types can
 be created, but it requires modifying `utils/TableGen/ClangAttrEmitter.cpp
-<https://github.com/llvm/llvm-project/blob/master/clang/utils/TableGen/ClangAttrEmitter.cpp>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/utils/TableGen/ClangAttrEmitter.cpp>`_
 to properly support the type.
 
 Other Properties
@@ -2416,7 +2416,7 @@
 If the parsed form of the attribute is more complex, or differs from the
 semantic form, the ``HasCustomParsing`` bit can be set to ``1`` for the class,
 and the parsing code in `Parser::ParseGNUAttributeArgs()
-<https://github.com/llvm/llvm-project/blob/master/clang/lib/Parse/ParseDecl.cpp>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/lib/Parse/ParseDecl.cpp>`_
 can be updated for the special case. Note that this only applies to arguments
 with a GNU spelling -- attributes with a __declspec spelling currently ignore
 this flag and are handled by ``Parser::ParseMicrosoftDeclSpec``.
@@ -2482,7 +2482,7 @@
 Boilerplate
 ^^^^^^^^^^^
 All semantic processing of declaration attributes happens in `lib/Sema/SemaDeclAttr.cpp
-<https://github.com/llvm/llvm-project/blob/master/clang/lib/Sema/SemaDeclAttr.cpp>`_,
+<https://github.com/llvm/llvm-project/blob/main/clang/lib/Sema/SemaDeclAttr.cpp>`_,
 and generally starts in the ``ProcessDeclAttribute()`` function. If the
 attribute has the ``SimpleHandler`` field set to ``1`` then the function to
 process the attribute will be automatically generated, and nothing needs to be
@@ -2497,11 +2497,11 @@
 
 If the attribute adds additional warnings, define a ``DiagGroup`` in
 `include/clang/Basic/DiagnosticGroups.td
-<https://github.com/llvm/llvm-project/blob/master/clang/include/clang/Basic/DiagnosticGroups.td>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Basic/DiagnosticGroups.td>`_
 named after the attribute's ``Spelling`` with "_"s replaced by "-"s. If there
 is only a single diagnostic, it is permissible to use ``InGroup<DiagGroup<"your-attribute">>``
 directly in `DiagnosticSemaKinds.td
-<https://github.com/llvm/llvm-project/blob/master/clang/include/clang/Basic/DiagnosticSemaKinds.td>`_
+<https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Basic/DiagnosticSemaKinds.td>`_
 
 All semantic diagnostics generated for your attribute, including automatically-
 generated ones (such as subjects and argument counts), should have a
Index: clang/docs/ControlFlowIntegrityDesign.rst
===================================================================
--- clang/docs/ControlFlowIntegrityDesign.rst
+++ clang/docs/ControlFlowIntegrityDesign.rst
@@ -196,7 +196,7 @@
 Vectors" above). The `GlobalLayoutBuilder`_ class is responsible for laying
 out the globals efficiently to minimize the sizes of the underlying bitsets.
 
-.. _GlobalLayoutBuilder: https://github.com/llvm/llvm-project/blob/master/llvm/include/llvm/Transforms/IPO/LowerTypeTests.h
+.. _GlobalLayoutBuilder: https://github.com/llvm/llvm-project/blob/main/llvm/include/llvm/Transforms/IPO/LowerTypeTests.h
 
 Alignment
 ~~~~~~~~~
@@ -300,7 +300,7 @@
 In comparison, the old scheme does not require the splitting but it is more efficient when the combined virtual tables have been split.
 The `GlobalSplit`_ pass is responsible for splitting combined virtual tables into individual ones. 
 
-.. _GlobalSplit: https://github.com/llvm/llvm-project/blob/master/llvm/lib/Transforms/IPO/GlobalSplit.cpp
+.. _GlobalSplit: https://github.com/llvm/llvm-project/blob/main/llvm/lib/Transforms/IPO/GlobalSplit.cpp
 
 Order virtual tables by a pre-order traversal of the class hierarchy 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Index: clang/docs/ClangTools.rst
===================================================================
--- clang/docs/ClangTools.rst
+++ clang/docs/ClangTools.rst
@@ -11,7 +11,7 @@
 Only a couple of the most basic and fundamental tools are kept in the
 primary Clang tree. The rest of the tools are kept in a separate
 directory tree, `clang-tools-extra
-<https://github.com/llvm/llvm-project/tree/master/clang-tools-extra>`_.
+<https://github.com/llvm/llvm-project/tree/main/clang-tools-extra>`_.
 
 This document describes a high-level overview of the organization of
 Clang Tools within the project as well as giving an introduction to some
Index: clang/docs/ClangPlugins.rst
===================================================================
--- clang/docs/ClangPlugins.rst
+++ clang/docs/ClangPlugins.rst
@@ -111,7 +111,7 @@
    target.
 
 To see a working example of an attribute plugin, see `the Attribute.cpp example
-<https://github.com/llvm/llvm-project/blob/master/clang/examples/Attribute/Attribute.cpp>`_.
+<https://github.com/llvm/llvm-project/blob/main/clang/examples/Attribute/Attribute.cpp>`_.
 
 Putting it all together
 =======================
@@ -119,7 +119,7 @@
 Let's look at an example plugin that prints top-level function names.  This
 example is checked into the clang repository; please take a look at
 the `latest version of PrintFunctionNames.cpp
-<https://github.com/llvm/llvm-project/blob/master/clang/examples/PrintFunctionNames/PrintFunctionNames.cpp>`_.
+<https://github.com/llvm/llvm-project/blob/main/clang/examples/PrintFunctionNames/PrintFunctionNames.cpp>`_.
 
 Running the plugin
 ==================
@@ -160,7 +160,7 @@
             -plugin -Xclang print-fns
 
 Also see the print-function-name plugin example's
-`README <https://github.com/llvm/llvm-project/blob/master/clang/examples/PrintFunctionNames/README.txt>`_
+`README <https://github.com/llvm/llvm-project/blob/main/clang/examples/PrintFunctionNames/README.txt>`_
 
 
 Using the clang command line
Index: clang-tools-extra/docs/clang-tidy/Integrations.rst
===================================================================
--- clang-tools-extra/docs/clang-tidy/Integrations.rst
+++ clang-tools-extra/docs/clang-tidy/Integrations.rst
@@ -82,7 +82,7 @@
 .. _ReSharper C++: https://www.jetbrains.com/help/resharper/Clang_Tidy_Integration.html
 .. _Visual Assist: https://docs.wholetomato.com/default.asp?W761
 .. _Clang Power Tools: https://marketplace.visualstudio.com/items?itemName=caphyon.ClangPowerTools
-.. _clang-tidy-vs: https://github.com/llvm/llvm-project/tree/master/clang-tools-extra/clang-tidy-vs
+.. _clang-tidy-vs: https://github.com/llvm/llvm-project/tree/main/clang-tools-extra/clang-tidy-vs
 
 `MS Visual Studio`_ has a native clang-tidy-vs_ plugin and also can integrate
 :program:`clang-tidy` by means of three other tools. The `ReSharper C++`_
Index: clang-tools-extra/docs/clang-tidy/Contributing.rst
===================================================================
--- clang-tools-extra/docs/clang-tidy/Contributing.rst
+++ clang-tools-extra/docs/clang-tidy/Contributing.rst
@@ -128,7 +128,7 @@
 
 Next, you need to decide which module the check belongs to. Modules
 are located in subdirectories of `clang-tidy/
-<https://github.com/llvm/llvm-project/tree/master/clang-tools-extra/clang-tidy/>`_
+<https://github.com/llvm/llvm-project/tree/main/clang-tools-extra/clang-tidy/>`_
 and contain checks targeting a certain aspect of code quality (performance,
 readability, etc.), certain coding style or standard (Google, LLVM, CERT, etc.)
 or a widely used API (e.g. MPI). Their names are same as user-facing check
@@ -211,7 +211,7 @@
 
 (If you want to see an example of a useful check, look at
 `clang-tidy/google/ExplicitConstructorCheck.h
-<https://github.com/llvm/llvm-project/blob/master/clang-tools-extra/clang-tidy/google/ExplicitConstructorCheck.h>`_
+<https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/google/ExplicitConstructorCheck.h>`_
 and `clang-tidy/google/ExplicitConstructorCheck.cpp
 <https://reviews.llvm.org/diffusion/L/browse/clang-tools-extra/trunk/clang-tidy/google/ExplicitConstructorCheck.cpp>`_).
 
Index: clang-tools-extra/docs/clang-rename.rst
===================================================================
--- clang-tools-extra/docs/clang-rename.rst
+++ clang-tools-extra/docs/clang-rename.rst
@@ -142,7 +142,7 @@
 You can call :program:`clang-rename` directly from Vim! To set up
 :program:`clang-rename` integration for Vim see
 `clang/tools/clang-rename/clang-rename.py
-<https://github.com/llvm/llvm-project/blob/master/clang/tools/clang-rename/clang-rename.py>`_.
+<https://github.com/llvm/llvm-project/blob/main/clang/tools/clang-rename/clang-rename.py>`_.
 
 Please note that **you have to save all buffers, in which the replacement will
 happen before running the tool**.
@@ -159,7 +159,7 @@
 You can also use :program:`clang-rename` while using Emacs! To set up
 :program:`clang-rename` integration for Emacs see
 `clang-rename/tool/clang-rename.el
-<https://github.com/llvm/llvm-project/blob/master/clang/tools/clang-rename/clang-rename.el>`_.
+<https://github.com/llvm/llvm-project/blob/main/clang/tools/clang-rename/clang-rename.el>`_.
 
 Once installed, you can point your cursor to symbols you want to rename, press
 `M-X`, type `clang-rename` and new desired name.
Index: clang-tools-extra/clangd/README.md
===================================================================
--- clang-tools-extra/clangd/README.md
+++ clang-tools-extra/clangd/README.md
@@ -5,7 +5,7 @@
 
 - the **website** is https://clangd.llvm.org/.
 - the **bug tracker** is https://github.com/clangd/clangd/issues
-- the **source code** is hosted at https://github.com/llvm/llvm-project/tree/master/clang-tools-extra/clangd.
+- the **source code** is hosted at https://github.com/llvm/llvm-project/tree/main/clang-tools-extra/clangd.
 - the **website source code** is at https://github.com/llvm/clangd-www/
 
 ### Communication channels
Index: clang-tools-extra/clang-tidy/google/AvoidUnderscoreInGoogletestNameCheck.h
===================================================================
--- clang-tools-extra/clang-tidy/google/AvoidUnderscoreInGoogletestNameCheck.h
+++ clang-tools-extra/clang-tidy/google/AvoidUnderscoreInGoogletestNameCheck.h
@@ -17,7 +17,7 @@
 namespace readability {
 
 // Check for underscores in the names of googletest tests, per
-// https://github.com/google/googletest/blob/master/googletest/docs/faq.md#why-should-test-suite-names-and-test-names-not-contain-underscore
+// https://github.com/google/googletest/blob/master/docs/faq.md#why-should-test-suite-names-and-test-names-not-contain-underscore
 ///
 /// For the user-facing documentation see:
 /// http://clang.llvm.org/extra/clang-tidy/checks/google-readability-avoid-underscore-in-googletest-name.html
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