[llvm] [AArch64] Reject non-scalable types in named Z-register constraints (PR #217551)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 7ce633d4e..016a70285 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -14390,8 +14390,7 @@ AArch64TargetLowering::getRegForInlineAsmConstraint(
         return *P;
       }
 
-      if (!VT.isScalableVector() ||
-          !Subtarget->isSVEorStreamingSVEAvailable())
+      if (!VT.isScalableVector() || !Subtarget->isSVEorStreamingSVEAvailable())
         return std::make_pair(0U, nullptr);
 
       return *P;

``````````

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https://github.com/llvm/llvm-project/pull/217551