[clang] Enable matrices in HLSL (PR #111415)

[Greg Roth via cfe-commits]

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@@ -1,7 +1,5 @@
 // RUN: %clang_cc1 -O0 -fenable-matrix -triple x86_64-apple-darwin %s -emit-llvm -disable-llvm-passes -o - -std=c++11 | FileCheck --check-prefixes=CHECK,NOOPT %s
 // RUN: %clang_cc1 -O1 -fenable-matrix -triple x86_64-apple-darwin %s -emit-llvm -disable-llvm-passes -o - -std=c++11 | FileCheck --check-prefixes=CHECK,OPT %s
-typedef double dx5x5_t __attribute__((matrix_type(5, 5)));
-using fx2x3_t = float __attribute__((matrix_type(2, 3)));
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pow2clk wrote:

Not really, but I noted that they weren't being used. I think the other changes to this file are useful as well, but I'm happy to remove them to expedite things.

https://github.com/llvm/llvm-project/pull/111415