[clang] [AArch64] add some more tests for FMV (PR #91490)

[Tomas Matheson via cfe-commits]

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@@ -0,0 +1,25 @@
+// Test which driver flags enable/disable Function Multiversioning on aarch64.
+
+// FMV is enabled for non-android aarch64 targets:
+// RUN: %clang --target=aarch64 --rtlib=compiler-rt -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
+// RUN: %clang --target=aarch64-linux-gnu --rtlib=compiler-rt -### -c %s 2>&1 | FileCheck -check-prefix=FMV-ENABLED %s
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tmatheson-arm wrote:

Done.

https://github.com/llvm/llvm-project/pull/91490