[llvm] [RISCV][GISel] Add initial support for rvv intrinsics (PR #156415)

[Jianjian Guan via llvm-commits]

================
@@ -0,0 +1,764 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+zvfh \
+; RUN:   -verify-machineinstrs -target-abi=ilp32d -global-isel | FileCheck %s
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+zvfh \
+; RUN:   -verify-machineinstrs -target-abi=ilp32d -global-isel | FileCheck %s
+; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+zvfh \
+; RUN:   -verify-machineinstrs -target-abi=lp64d -global-isel | FileCheck %s
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+v,+zfhmin,+zvfh \
+; RUN:   -verify-machineinstrs -target-abi=ilp32d -global-isel | FileCheck %s
+; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+v,+zfhmin,+zvfh \
+; RUN:   -verify-machineinstrs -target-abi=lp64d -global-isel | FileCheck %s
+
+declare <vscale x 1 x half> @llvm.riscv.vfadd.nxv1f16.nxv1f16(
----------------
jacquesguan wrote:

Thanks to point this, this test case is just copied from the SDISel case, maybe we need to refactor them all.

https://github.com/llvm/llvm-project/pull/156415