fixup! remove PostRAScheduler from RISCV scheduler models

Author: michaelmaitland

llvm/lib/Target/RISCV/RISCVProcessors.td

@@ -85,7 +85,7 @@ def ROCKET : RISCVTuneProcessorModel<"rocket",
 
 def SIFIVE_7 : RISCVTuneProcessorModel<"sifive-7-series",
                                        SiFive7Model,
-                                       [TuneSiFive7]>;
+                                       [TuneSiFive7, FeaturePostRAScheduler]>;
 
 def SIFIVE_E20 : RISCVProcessorModel<"sifive-e20",
                                      RocketModel,
@@ -145,7 +145,7 @@ def SIFIVE_E76 : RISCVProcessorModel<"sifive-e76",
                                       FeatureStdExtA,
                                       FeatureStdExtF,
                                       FeatureStdExtC],
-                                     [TuneSiFive7]>;
+                                     [TuneSiFive7, FeaturePostRAScheduler]>;
 
 def SIFIVE_S21 : RISCVProcessorModel<"sifive-s21",
                                      RocketModel,
@@ -189,7 +189,7 @@ def SIFIVE_S76 : RISCVProcessorModel<"sifive-s76",
                                       FeatureStdExtD,
                                       FeatureStdExtC,
                                       FeatureStdExtZihintpause],
-                                     [TuneSiFive7]>;
+                                     [TuneSiFive7, FeaturePostRAScheduler]>;
 
 def SIFIVE_U54 : RISCVProcessorModel<"sifive-u54",
                                      RocketModel,
@@ -212,7 +212,7 @@ def SIFIVE_U74 : RISCVProcessorModel<"sifive-u74",
                                       FeatureStdExtF,
                                       FeatureStdExtD,
                                       FeatureStdExtC],
-                                     [TuneSiFive7]>;
+                                     [TuneSiFive7, FeaturePostRAScheduler]>;
 
 def SIFIVE_X280 : RISCVProcessorModel<"sifive-x280", SiFive7Model,
                                       [Feature64Bit,
@@ -230,6 +230,7 @@ def SIFIVE_X280 : RISCVProcessorModel<"sifive-x280", SiFive7Model,
                                        FeatureStdExtZba,
                                        FeatureStdExtZbb],
                                       [TuneSiFive7,
+                                       FeaturePostRAScheduler,
                                        TuneDLenFactor2]>;
 
 def SIFIVE_P450 : RISCVProcessorModel<"sifive-p450", SiFiveP400Model,

llvm/lib/Target/RISCV/RISCVSchedSiFive7.td

@@ -199,7 +199,6 @@ def SiFive7Model : SchedMachineModel {
   let LoadLatency = 3;
   let MispredictPenalty = 3;
   let CompleteModel = 0;
-  let PostRAScheduler = true;
   let EnableIntervals = true;
   let UnsupportedFeatures = [HasStdExtZbkb, HasStdExtZbkc, HasStdExtZbkx,
                              HasStdExtZcmt, HasStdExtZknd, HasStdExtZkne,

llvm/lib/Target/RISCV/RISCVSchedSiFiveP400.td

@@ -13,7 +13,6 @@ def SiFiveP400Model : SchedMachineModel {
   let MicroOpBufferSize = 56; // Max micro-ops that can be buffered.
   let LoadLatency = 4;        // Cycles for loads to access the cache.
   let MispredictPenalty = 9;  // Extra cycles for a mispredicted branch.
-  let PostRAScheduler = true;
   let UnsupportedFeatures = [HasStdExtZbkb, HasStdExtZbkc, HasStdExtZbkx,
                              HasStdExtZcmt, HasStdExtZknd, HasStdExtZkne,
                              HasStdExtZknh, HasStdExtZksed, HasStdExtZksh,

llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td

@@ -56,7 +56,6 @@ def SiFiveP600Model : SchedMachineModel {
   let MicroOpBufferSize = 160; // Max micro-ops that can be buffered.
   let LoadLatency = 4;        // Cycles for loads to access the cache.
   let MispredictPenalty = 9;  // Extra cycles for a mispredicted branch.
-  let PostRAScheduler = true;
   let UnsupportedFeatures = [HasStdExtZbkb, HasStdExtZbkc, HasStdExtZbkx,
                              HasStdExtZknd, HasStdExtZkne, HasStdExtZknh,
                              HasStdExtZksed, HasStdExtZksh, HasStdExtZkr,