[PATCH] D125239: [RISCV] Remove two unmasked RVV patterns

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck created this revision.
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These can be selected to unmasked from masked instructions by the
post-process DAG step.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125239

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td


Index: llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
@@ -980,11 +980,6 @@
 foreach vtiTowti = AllWidenableIntVectors in {
   defvar vti = vtiTowti.Vti;
   defvar wti = vtiTowti.Wti;
-  def : Pat<(vti.Vector (riscv_trunc_vector_vl (wti.Vector wti.RegClass:$rs1),
-                                               (vti.Mask true_mask),
-                                               VLOpFrag)),
-            (!cast<Instruction>("PseudoVNSRL_WX_"#vti.LMul.MX)
-                wti.RegClass:$rs1, X0, GPR:$vl, vti.Log2SEW)>;
   def : Pat<(vti.Vector (riscv_trunc_vector_vl (wti.Vector wti.RegClass:$rs1),
                                                (vti.Mask V0),
                                                VLOpFrag)),
@@ -1587,12 +1582,6 @@
                   (fvti.Vector (IMPLICIT_DEF)), fwti.RegClass:$rs1,
                   (fwti.Mask V0), GPR:$vl, fvti.Log2SEW, TAIL_AGNOSTIC)>;
 
-    def : Pat<(fvti.Vector (riscv_fncvt_rod_vl (fwti.Vector fwti.RegClass:$rs1),
-                                               (fwti.Mask true_mask),
-                                               VLOpFrag)),
-              (!cast<Instruction>("PseudoVFNCVT_ROD_F_F_W_"#fvti.LMul.MX)
-                  fwti.RegClass:$rs1, GPR:$vl, fvti.Log2SEW)>;
-
     def : Pat<(fvti.Vector (riscv_fncvt_rod_vl (fwti.Vector fwti.RegClass:$rs1),
                                                (fwti.Mask V0),
                                                VLOpFrag)),


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