[PATCH] D118253: [RISCV] Add the passthru operand for some RVV nomask unary and nullary intrinsics.

[Zakk Chen via Phabricator via llvm-commits]

khchen created this revision.
khchen added reviewers: craig.topper, rogfer01, frasercrmck, kito-cheng, arcbbb, monkchiang, eopXD.
Herald added subscribers: VincentWu, luke957, achieveartificialintelligence, vkmr, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, edward-jones, zzheng, jrtc27, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya.
khchen requested review of this revision.
Herald added subscribers: llvm-commits, cfe-commits, pcwang-thead, MaskRay.
Herald added projects: clang, LLVM.

The goal is support tail and mask policy in RVV builtins.
We focus on IR part first.
If the passthru operand is undef, we use tail agnostic, otherwise
use tail undisturbed.

My plan is to handle more complex operations in follow-up patches.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118253

Files:
  clang/include/clang/Basic/riscv_vector.td
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfclass.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfcvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfncvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrec7.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrsqrt7.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfsqrt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfwcvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsext.c
  clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vzext.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfclass.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfcvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfncvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfrec7.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfrsqrt7.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfsqrt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vfwcvt.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vid.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/viota.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vsext.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vzext.c
  llvm/include/llvm/IR/IntrinsicsRISCV.td
  llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
  llvm/test/CodeGen/RISCV/rvv/unmasked-tu.ll
  llvm/test/CodeGen/RISCV/rvv/vfclass.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-f-x.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-f-xu.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-rtz-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-rtz-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfcvt-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-f-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-f-x.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-f-xu.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-rod-f-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-rtz-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-rtz-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfncvt-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfrec7.ll
  llvm/test/CodeGen/RISCV/rvv/vfrsqrt7.ll
  llvm/test/CodeGen/RISCV/rvv/vfsqrt.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-f-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-f-x.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-f-xu.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-rtz-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-rtz-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-x-f.ll
  llvm/test/CodeGen/RISCV/rvv/vfwcvt-xu-f.ll
  llvm/test/CodeGen/RISCV/rvv/vid.ll
  llvm/test/CodeGen/RISCV/rvv/viota.ll
  llvm/test/CodeGen/RISCV/rvv/vsetvli-insert-crossbb.mir
  llvm/test/CodeGen/RISCV/rvv/vsetvli-insert.mir
  llvm/test/CodeGen/RISCV/rvv/vsext-rv32.ll
  llvm/test/CodeGen/RISCV/rvv/vsext-rv64.ll
  llvm/test/CodeGen/RISCV/rvv/vzext-rv32.ll
  llvm/test/CodeGen/RISCV/rvv/vzext-rv64.ll