[llvm] 3b9a231 - [RISCV] Remove two unmasked RVV patterns

[Fraser Cormack via llvm-commits]

Author: Fraser Cormack
Date: 2022-05-09T16:54:24+01:00
New Revision: 3b9a231d255c0f61361044acf0dc79d79b2f59b6

URL: https://github.com/llvm/llvm-project/commit/3b9a231d255c0f61361044acf0dc79d79b2f59b6
DIFF: https://github.com/llvm/llvm-project/commit/3b9a231d255c0f61361044acf0dc79d79b2f59b6.diff

LOG: [RISCV] Remove two unmasked RVV patterns

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

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D125239

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
index 8cafa97a8e20..971fb55433b9 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
@@ -980,11 +980,6 @@ defm : VPatNarrowShiftSplatExt_WX<riscv_srl_vl, riscv_zext_vl_oneuse, "PseudoVNS
 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 @@ foreach fvti = AllFloatVectors in {
                   (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)),