[llvm] [RISCV] Expand Zfa fli+fneg cases during lowering instead of during isel. (PR #108316)

[Yingwei Zheng via llvm-commits]

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@@ -2234,10 +2238,9 @@ bool RISCVTargetLowering::isOffsetFoldingLegal(
 // element. The second returned element indicated that there should be a FNEG
 // followed.
 // (3) `{-1, _}` if there is no way FLI can be used to materialize Imm.
-std::pair<int, bool> RISCVTargetLowering::getLegalZfaFPImm(const APFloat &Imm,
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dtcxzyw wrote:

Header comment should be updated.


https://github.com/llvm/llvm-project/pull/108316