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[RISCV] Remove untested Zvfbfmin isel patterns #164111

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Merged
merged 3 commits into from
Oct 20, 2025
Merged

[RISCV] Remove untested Zvfbfmin isel patterns #164111

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96e94d6
[RISCV] Remove untested Zvfbfmin isel patterns
topperc Oct 18, 2025
de48769
Merge branch 'main' into pr/untested-patterns
topperc Oct 19, 2025
cea1ed5
Merge remote-tracking branch 'origin/main' into pr/untested-patterns
topperc Oct 20, 2025
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33 changes: 0 additions & 33 deletions llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td
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Original file line number Diff line number Diff line change
Expand Up @@ -475,20 +475,6 @@ let Predicates = [HasStdExtZvfbfmin] in {
fvti.RegClass:$rs2, fvti.RegClass:$rs1, (fvti.Mask VMV0:$vm),
fvti.AVL, fvti.Log2SEW)>;

def : Pat<(fvti.Vector (vselect (fvti.Mask VMV0:$vm),
(SplatFPOp (SelectScalarFPAsInt (XLenVT GPR:$imm))),
fvti.RegClass:$rs2)),
(!cast<Instruction>("PseudoVMERGE_VXM_"#fvti.LMul.MX)
(fvti.Vector (IMPLICIT_DEF)),
fvti.RegClass:$rs2, GPR:$imm, (fvti.Mask VMV0:$vm), fvti.AVL, fvti.Log2SEW)>;

def : Pat<(fvti.Vector (vselect (fvti.Mask VMV0:$vm),
(SplatFPOp (fvti.Scalar fpimm0)),
fvti.RegClass:$rs2)),
(!cast<Instruction>("PseudoVMERGE_VIM_"#fvti.LMul.MX)
(fvti.Vector (IMPLICIT_DEF)),
fvti.RegClass:$rs2, 0, (fvti.Mask VMV0:$vm), fvti.AVL, fvti.Log2SEW)>;

def : Pat<(fvti.Vector (vselect (fvti.Mask VMV0:$vm),
(SplatFPOp fvti.ScalarRegClass:$rs1),
fvti.RegClass:$rs2)),
Expand All @@ -507,25 +493,6 @@ let Predicates = [HasStdExtZvfbfmin] in {
fvti.RegClass:$passthru, fvti.RegClass:$rs2, fvti.RegClass:$rs1, (fvti.Mask VMV0:$vm),
GPR:$vl, fvti.Log2SEW)>;

def : Pat<(fvti.Vector (riscv_vmerge_vl (fvti.Mask VMV0:$vm),
(SplatFPOp (SelectScalarFPAsInt (XLenVT GPR:$imm))),
fvti.RegClass:$rs2,
fvti.RegClass:$passthru,
VLOpFrag)),
(!cast<Instruction>("PseudoVMERGE_VXM_"#fvti.LMul.MX)
fvti.RegClass:$passthru, fvti.RegClass:$rs2, GPR:$imm, (fvti.Mask VMV0:$vm),
GPR:$vl, fvti.Log2SEW)>;


def : Pat<(fvti.Vector (riscv_vmerge_vl (fvti.Mask VMV0:$vm),
(SplatFPOp (fvti.Scalar fpimm0)),
fvti.RegClass:$rs2,
fvti.RegClass:$passthru,
VLOpFrag)),
(!cast<Instruction>("PseudoVMERGE_VIM_"#fvti.LMul.MX)
fvti.RegClass:$passthru, fvti.RegClass:$rs2, 0, (fvti.Mask VMV0:$vm),
GPR:$vl, fvti.Log2SEW)>;

def : Pat<(fvti.Vector (riscv_vmerge_vl (fvti.Mask VMV0:$vm),
(SplatFPOp fvti.ScalarRegClass:$rs1),
fvti.RegClass:$rs2,
Expand Down