[llvm] [llvm] Improve TLI for Darwin libsystem_m functions (PR #109479)

[Florian Hahn via llvm-commits]

================
@@ -0,0 +1,43 @@
+; RUN: opt -passes='default<O2>' -vector-library=Darwin_libsystem_m -passes=inject-tli-mappings,loop-vectorize -S < %s | FileCheck %s
----------------
fhahn wrote:

```suggestion
; RUN: opt -vector-library=Darwin_libsystem_m -passes=inject-tli-mappings,loop-vectorize -S < %s | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/109479