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[RISCV][GISel] Legalize G_INSERT_VECTOR_ELT for supported vector types #159708

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[RISCV][GISel] Legalize G_INSERT_VECTOR_ELT for supported vector types #159708

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12 changes: 12 additions & 0 deletions llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -717,6 +717,18 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST)
.clampScalar(0, sXLen, sXLen)
.lower();

LegalityPredicate InsertVectorEltPred = [=](const LegalityQuery &Query) {
LLT VecTy = Query.Types[0];
LLT EltTy = Query.Types[1];
return VecTy.getElementType() == EltTy;
};

getActionDefinitionsBuilder(G_INSERT_VECTOR_ELT)
.legalIf(all(typeIsLegalIntOrFPVec(0, IntOrFPVecTys, ST),
InsertVectorEltPred, sizeIs(2, sXLen.getSizeInBits())))
.legalIf(all(typeIsLegalIntOrFPVec(0, BoolVecTys, ST),
InsertVectorEltPred, sizeIs(2, sXLen.getSizeInBits())));

getLegacyLegalizerInfo().computeTables();
verify(*ST.getInstrInfo());
}
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4 changes: 2 additions & 2 deletions llvm/test/CodeGen/RISCV/GlobalISel/legalizer-info-validation.mir
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Expand Up @@ -682,8 +682,8 @@
# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: G_INSERT_VECTOR_ELT (opcode {{[0-9]+}}): 3 type indices, 0 imm indices
# DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
# DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: G_EXTRACT_VECTOR_ELT (opcode {{[0-9]+}}): 3 type indices, 0 imm indices
# DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
# DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
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