[clang] [Clang][CIR][AArch64] NFC: Cleanups in AArch64 builtins lowering (PR #184404)

[Andy Kaylor via cfe-commits]

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@@ -35,7 +31,7 @@
 float16_t test_vabsh_f16(float16_t a) {
 // CIR: {{%.*}} = cir.fabs {{%.*}} : !cir.f16
 
-// LLVM-SAME: (half{{.*}} [[A:%.*]])
+// LLVM-SAME: (half noundef [[A:%.*]])
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andykaylor wrote:

Are you sure you want checks for this? The wildcard would let us add any number of attributes. If you care about matching the attributes that's bad, but if not it saves us from having to update the test when new attribute support is added.

https://github.com/llvm/llvm-project/pull/184404