[clang] [CIR] Implement matrix scalar multiplication support (PR #230815)

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github-actions[bot] wrote:

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


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp clang/test/CIR/CodeGen/matrix.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
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.
:warning:

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp b/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp
index da248331e..9efe81211 100644
--- a/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp
@@ -2254,7 +2254,8 @@ mlir::Value ScalarExprEmitter::emitMul(const BinOpInfo &ops) {
   if (ops.fullType->isConstantMatrixType()) {
     if (isa<cir::MatrixType>(ops.lhs.getType()) &&
         isa<cir::MatrixType>(ops.rhs.getType())) {
-      cgf.cgm.errorNYI("ScalarExprEmitter::emitMul: matrix matrix multiplication");
+      cgf.cgm.errorNYI(
+          "ScalarExprEmitter::emitMul: matrix matrix multiplication");
       return {};
     }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/230815