[llvm-branch-commits] [clang] [clang][bytecode][HLSL][Matrix] Support `ConstantMatrixType` and more HLSL casts in the new constant interpreter for basic matrix constexpr evaluation in HLSL (PR #183424)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<details>
<summary>
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- clang/lib/AST/ByteCode/Compiler.cpp clang/lib/AST/ByteCode/Compiler.h clang/lib/AST/ByteCode/Pointer.cpp clang/lib/AST/ByteCode/Program.cpp --diff_from_common_commit
``````````

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in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
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<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp
index 87982e67d..6f5ed3b7d 100644
--- a/clang/lib/AST/ByteCode/Compiler.cpp
+++ b/clang/lib/AST/ByteCode/Compiler.cpp
@@ -864,8 +864,7 @@ bool Compiler<Emitter>::VisitCastExpr(const CastExpr *CE) {
     if (const auto *VT = CE->getType()->getAs<VectorType>()) {
       NumElts = VT->getNumElements();
       DestElemType = VT->getElementType();
-    } else if (const auto *MT =
-                   CE->getType()->getAs<ConstantMatrixType>()) {
+    } else if (const auto *MT = CE->getType()->getAs<ConstantMatrixType>()) {
       NumElts = MT->getNumElementsFlattened();
       DestElemType = MT->getElementType();
     } else {
diff --git a/clang/lib/AST/ByteCode/Program.cpp b/clang/lib/AST/ByteCode/Program.cpp
index 8876ded40..a2cba3da2 100644
--- a/clang/lib/AST/ByteCode/Program.cpp
+++ b/clang/lib/AST/ByteCode/Program.cpp
@@ -480,9 +480,8 @@ Descriptor *Program::createDescriptor(const DeclTy &D, const Type *Ty,
     if (!ElemTy)
       return nullptr;
 
-    return allocateDescriptor(D, *ElemTy, MDSize,
-                              MT->getNumElementsFlattened(), IsConst,
-                              IsTemporary, IsMutable);
+    return allocateDescriptor(D, *ElemTy, MDSize, MT->getNumElementsFlattened(),
+                              IsConst, IsTemporary, IsMutable);
   }
 
   return nullptr;

``````````

</details>


https://github.com/llvm/llvm-project/pull/183424