[clang] [CIR] Implement support for MatrixSingleSubstract expr (PR #232079)

[Erich Keane via cfe-commits]

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@@ -698,7 +699,9 @@ mlir::Type CIRGenTypes::convertType(QualType type) {
 mlir::Type CIRGenTypes::convertTypeForMem(clang::QualType qualType,
                                           bool forBitField) {
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erichkeane wrote:

Where is the `ForHLSL`?

https://github.com/llvm/llvm-project/pull/232079