[PATCH] D116019: [RISCV][NFC] Use foreach to refactor vector load/store whole register instructions' definition.

[Jianjian Guan via Phabricator via llvm-commits]

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Refactor vector load/store whole register instructions' definition with foreach format.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116019

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


Index: llvm/lib/Target/RISCV/RISCVInstrInfoV.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoV.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoV.td
@@ -816,23 +816,20 @@
                 (VSM_V VR:$vs3, GPR:$rs1), 0>;
 
 defm VL1R : VWholeLoadN<0, "vl1r", VR>;
-defm VL2R : VWholeLoadN<1, "vl2r", VRM2>;
-defm VL4R : VWholeLoadN<3, "vl4r", VRM4>;
-defm VL8R : VWholeLoadN<7, "vl8r", VRM8>;
-
 def : InstAlias<"vl1r.v $vd, (${rs1})", (VL1RE8_V VR:$vd, GPR:$rs1)>;
-def : InstAlias<"vl2r.v $vd, (${rs1})", (VL2RE8_V VRM2:$vd, GPR:$rs1)>;
-def : InstAlias<"vl4r.v $vd, (${rs1})", (VL4RE8_V VRM4:$vd, GPR:$rs1)>;
-def : InstAlias<"vl8r.v $vd, (${rs1})", (VL8RE8_V VRM8:$vd, GPR:$rs1)>;
-
 def VS1R_V : VWholeStore<0, "vs1r.v", VR>,
              Sched<[WriteVST1R, ReadVST1R, ReadVSTX]>;
-def VS2R_V : VWholeStore<1, "vs2r.v", VRM2>,
-             Sched<[WriteVST2R, ReadVST2R, ReadVSTX]>;
-def VS4R_V : VWholeStore<3, "vs4r.v", VRM4>,
-             Sched<[WriteVST4R, ReadVST4R, ReadVSTX]>;
-def VS8R_V : VWholeStore<7, "vs8r.v", VRM8>,
-             Sched<[WriteVST8R, ReadVST8R, ReadVSTX]>;
+
+foreach n = [2, 4, 8] in {
+  defvar vrc = !cast<VReg>("VRM"#n);
+
+  defm VL#n#R : VWholeLoadN<!add(n, -1), "vl"#n#"r", vrc>;
+  def : InstAlias<"vl"#n#"r.v $vd, (${rs1})",
+                  (!cast<Instruction>(VL#n#RE8_V) vrc:$vd, GPR:$rs1)>;
+  def VS#n#R_V : VWholeStore<!add(n, -1), "vs"#n#"r.v", vrc>,
+                 Sched<[!cast<SchedWrite>("WriteVST"#n#"R"),
+                        !cast<SchedRead>("ReadVST"#n#"R"), ReadVSTX]>;
+}
 
 // Vector Single-Width Integer Add and Subtract
 defm VADD_V : VALU_IV_V_X_I<"vadd", 0b000000>;


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