[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)

[Timm Baeder via llvm-branch-commits]

================
@@ -1813,6 +1986,20 @@ bool Compiler<Emitter>::VisitImplicitValueInitExpr(
     return true;
   }
 
+  if (const auto *MT = E->getType()->getAs<ConstantMatrixType>()) {
+    unsigned NumElts = MT->getNumElementsFlattened();
+    QualType ElemQT = MT->getElementType();
+    PrimType ElemT = classifyPrim(ElemQT);
+
+    for (unsigned I = 0; I < NumElts; ++I) {
----------------
tbaederr wrote:

```suggestion
    for (unsigned I = 0; I != NumElts; ++I) {
```

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