[llvm] [LLVM] Update the default value for MaxLargeFPConvertBitWidthSupported to 128 (PR #176851)

[Nikita Popov via llvm-commits]

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nikic wrote:

Sorry, I should have said the test should be in llvm/test/CodeGen/AArch64. It needs to be in the target-specific directory.

https://github.com/llvm/llvm-project/pull/176851