[clang] [NFC][FMV][AArch64] Tidy up codegen tests. (PR #132273)

[Tomas Matheson via cfe-commits]

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@@ -0,0 +1,790 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs --global-value-regex ".*"
+
+// Test all of the AArch64 feature detection bitmasks in the resolver.
+
+// RUN: %clang --target=aarch64-linux-gnu --rtlib=compiler-rt -emit-llvm -S -o - %s | FileCheck %s
+
+__attribute__((target_clones("aes", "bf16"))) int fmv(void) { return 0; }
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tmatheson-arm wrote:

Why are these two features done differently? target_clones vs target_version

https://github.com/llvm/llvm-project/pull/132273