[llvm] [VP][RISCV] Introduce vp.lrint/llrint and RISC-V support. (PR #82627)

[Luke Lau via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+f,+d \
+; RUN:     -target-abi=ilp32d -verify-machineinstrs | FileCheck %s --check-prefix=RV32
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lukel97 wrote:

Shouldn't llvm.vp.lrint.vni64.vnf32 also be legal on rv32 if it has zve64x?

https://github.com/llvm/llvm-project/pull/82627