[RISCV][GISEL][NFC] Add typeIsLegalBoolVec and typeIsLegalIntOrFPVec helpers

Author: michaelmaitland

llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp

@@ -40,6 +40,30 @@ static LegalityPredicate typeIsScalarFPArith(unsigned TypeIdx,
   };
 }
 
+static LegalityPredicate
+typeIsLegalIntOrFPVec(unsigned TypeIdx,
+                      std::initializer_list<LLT> IntOrFPVecTys,
+                      const RISCVSubtarget &ST) {
+  LegalityPredicate P = [=, &ST](const LegalityQuery &Query) {
+    return ST.hasVInstructions() &&
+           (Query.Types[TypeIdx].getScalarSizeInBits() != 64 ||
+            ST.hasVInstructionsI64()) &&
+           (Query.Types[TypeIdx].getElementCount().getKnownMinValue() != 1 ||
+            ST.getELen() == 64);
+  };
+
+  return all(typeInSet(TypeIdx, IntOrFPVecTys), P);
+}
+
+static LegalityPredicate
+typeIsLegalBoolVec(unsigned TypeIdx, std::initializer_list<LLT> BoolVecTys,
+                   const RISCVSubtarget &ST) {
+  LegalityPredicate HasV = [=, &ST](const LegalityQuery &Query) {
+    return ST.hasVInstructions();
+  };
+  return all(typeInSet(TypeIdx, BoolVecTys), HasV);
+}
+
 RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST)
     : STI(ST), XLen(STI.getXLen()), sXLen(LLT::scalar(XLen)) {
   const LLT sDoubleXLen = LLT::scalar(2 * XLen);
@@ -50,6 +74,14 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST)
   const LLT s32 = LLT::scalar(32);
   const LLT s64 = LLT::scalar(64);
 
+  const LLT nxv1s1 = LLT::scalable_vector(1, s1);
+  const LLT nxv2s1 = LLT::scalable_vector(2, s1);
+  const LLT nxv4s1 = LLT::scalable_vector(4, s1);
+  const LLT nxv8s1 = LLT::scalable_vector(8, s1);
+  const LLT nxv16s1 = LLT::scalable_vector(16, s1);
+  const LLT nxv32s1 = LLT::scalable_vector(32, s1);
+  const LLT nxv64s1 = LLT::scalable_vector(64, s1);
+
   const LLT nxv1s8 = LLT::scalable_vector(1, s8);
   const LLT nxv2s8 = LLT::scalable_vector(2, s8);
   const LLT nxv4s8 = LLT::scalable_vector(4, s8);
@@ -78,22 +110,16 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST)
 
   using namespace TargetOpcode;
 
-  auto AllVecTys = {nxv1s8,   nxv2s8,  nxv4s8,  nxv8s8,  nxv16s8, nxv32s8,
-                    nxv64s8,  nxv1s16, nxv2s16, nxv4s16, nxv8s16, nxv16s16,
-                    nxv32s16, nxv1s32, nxv2s32, nxv4s32, nxv8s32, nxv16s32,
-                    nxv1s64,  nxv2s64, nxv4s64, nxv8s64};
+  auto BoolVecTys = {nxv1s1, nxv2s1, nxv4s1, nxv8s1, nxv16s1, nxv32s1, nxv64s1};
+
+  auto IntOrFPVecTys = {nxv1s8,   nxv2s8,  nxv4s8,  nxv8s8,  nxv16s8, nxv32s8,
+                        nxv64s8,  nxv1s16, nxv2s16, nxv4s16, nxv8s16, nxv16s16,
+                        nxv32s16, nxv1s32, nxv2s32, nxv4s32, nxv8s32, nxv16s32,
+                        nxv1s64,  nxv2s64, nxv4s64, nxv8s64};
 
   getActionDefinitionsBuilder({G_ADD, G_SUB, G_AND, G_OR, G_XOR})
       .legalFor({s32, sXLen})
-      .legalIf(all(
-          typeInSet(0, AllVecTys),
-          LegalityPredicate([=, &ST](const LegalityQuery &Query) {
-            return ST.hasVInstructions() &&
-                   (Query.Types[0].getScalarSizeInBits() != 64 ||
-                    ST.hasVInstructionsI64()) &&
-                   (Query.Types[0].getElementCount().getKnownMinValue() != 1 ||
-                    ST.getELen() == 64);
-          })))
+      .legalIf(typeIsLegalIntOrFPVec(0, IntOrFPVecTys, ST))
       .widenScalarToNextPow2(0)
       .clampScalar(0, s32, sXLen);