[clang] [llvm] [LV][LAA] Vectorize math lib calls with mem write-only attribute (PR #78432)

[Maciej Gabka via cfe-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "call.*(frexp|modf)" --version 4
+; RUN: opt < %s -mattr=+sve -vector-library=ArmPL -passes=inject-tli-mappings,loop-vectorize -force-vector-interleave=1 -prefer-predicate-over-epilogue=predicate-dont-vectorize -S | FileCheck %s
+
+target triple = "aarch64-unknown-linux-gnu"
+
+; TODO: add mappings for frexp/frexpf
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mgabka wrote:

is this actually a TODO?
I would rather change it into a comment:

; Vectorization can not happen because there is no scalar to vector mapping in TLI for frexp/frexpf. Tests will need to be changed when such mapping are added.

https://github.com/llvm/llvm-project/pull/78432