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[LoongArch] Add patterns for [x]vclo.{b/h/w/d} instructions #165985

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[LoongArch] Add patterns for [x]vclo.{b/h/w/d} instructions #165985

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6 changes: 6 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1443,6 +1443,12 @@ defm : PatXrXr<sra, "XVSRA">;
defm : PatShiftXrXr<sra, "XVSRA">;
defm : PatShiftXrSplatUimm<sra, "XVSRAI">;

// XVCLO_{B/H/W/D}
def : Pat<(ctlz (vnot v32i8:$xj)), (XVCLO_B v32i8:$xj)>;
def : Pat<(ctlz (vnot v16i16:$xj)), (XVCLO_H v16i16:$xj)>;
def : Pat<(ctlz (vnot v8i32:$xj)), (XVCLO_W v8i32:$xj)>;
def : Pat<(ctlz (vnot v4i64:$xj)), (XVCLO_D v4i64:$xj)>;

// XVCLZ_{B/H/W/D}
defm : PatXr<ctlz, "XVCLZ">;

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6 changes: 6 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchLSXInstrInfo.td
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Expand Up @@ -1645,6 +1645,12 @@ defm : PatVrVr<sra, "VSRA">;
defm : PatShiftVrVr<sra, "VSRA">;
defm : PatShiftVrSplatUimm<sra, "VSRAI">;

// VCLO_{B/H/W/D}
def : Pat<(ctlz (vnot v16i8:$vj)), (VCLO_B v16i8:$vj)>;
def : Pat<(ctlz (vnot v8i16:$vj)), (VCLO_H v8i16:$vj)>;
def : Pat<(ctlz (vnot v4i32:$vj)), (VCLO_W v4i32:$vj)>;
def : Pat<(ctlz (vnot v2i64:$vj)), (VCLO_D v2i64:$vj)>;

// VCLZ_{B/H/W/D}
defm : PatVr<ctlz, "VCLZ">;

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15 changes: 4 additions & 11 deletions llvm/test/CodeGen/LoongArch/lasx/ctpop-ctlz.ll
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Expand Up @@ -110,8 +110,7 @@ define void @not_ctlz_v32i8(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v32i8:
; CHECK: # %bb.0:
; CHECK-NEXT: xvld $xr0, $a0, 0
; CHECK-NEXT: xvxori.b $xr0, $xr0, 255
; CHECK-NEXT: xvclz.b $xr0, $xr0
; CHECK-NEXT: xvclo.b $xr0, $xr0
; CHECK-NEXT: xvst $xr0, $a1, 0
; CHECK-NEXT: ret
%v = load <32 x i8>, ptr %src
Expand All @@ -125,9 +124,7 @@ define void @not_ctlz_v16i16(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v16i16:
; CHECK: # %bb.0:
; CHECK-NEXT: xvld $xr0, $a0, 0
; CHECK-NEXT: xvrepli.b $xr1, -1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvclz.h $xr0, $xr0
; CHECK-NEXT: xvclo.h $xr0, $xr0
; CHECK-NEXT: xvst $xr0, $a1, 0
; CHECK-NEXT: ret
%v = load <16 x i16>, ptr %src
Expand All @@ -141,9 +138,7 @@ define void @not_ctlz_v8i32(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v8i32:
; CHECK: # %bb.0:
; CHECK-NEXT: xvld $xr0, $a0, 0
; CHECK-NEXT: xvrepli.b $xr1, -1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvclz.w $xr0, $xr0
; CHECK-NEXT: xvclo.w $xr0, $xr0
; CHECK-NEXT: xvst $xr0, $a1, 0
; CHECK-NEXT: ret
%v = load <8 x i32>, ptr %src
Expand All @@ -157,9 +152,7 @@ define void @not_ctlz_v4i64(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v4i64:
; CHECK: # %bb.0:
; CHECK-NEXT: xvld $xr0, $a0, 0
; CHECK-NEXT: xvrepli.b $xr1, -1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvclz.d $xr0, $xr0
; CHECK-NEXT: xvclo.d $xr0, $xr0
; CHECK-NEXT: xvst $xr0, $a1, 0
; CHECK-NEXT: ret
%v = load <4 x i64>, ptr %src
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15 changes: 4 additions & 11 deletions llvm/test/CodeGen/LoongArch/lsx/ctpop-ctlz.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -110,8 +110,7 @@ define void @not_ctlz_v16i8(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v16i8:
; CHECK: # %bb.0:
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vxori.b $vr0, $vr0, 255
; CHECK-NEXT: vclz.b $vr0, $vr0
; CHECK-NEXT: vclo.b $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a1, 0
; CHECK-NEXT: ret
%v = load <16 x i8>, ptr %src
Expand All @@ -125,9 +124,7 @@ define void @not_ctlz_v8i16(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v8i16:
; CHECK: # %bb.0:
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vrepli.b $vr1, -1
; CHECK-NEXT: vxor.v $vr0, $vr0, $vr1
; CHECK-NEXT: vclz.h $vr0, $vr0
; CHECK-NEXT: vclo.h $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a1, 0
; CHECK-NEXT: ret
%v = load <8 x i16>, ptr %src
Expand All @@ -141,9 +138,7 @@ define void @not_ctlz_v4i32(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v4i32:
; CHECK: # %bb.0:
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vrepli.b $vr1, -1
; CHECK-NEXT: vxor.v $vr0, $vr0, $vr1
; CHECK-NEXT: vclz.w $vr0, $vr0
; CHECK-NEXT: vclo.w $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a1, 0
; CHECK-NEXT: ret
%v = load <4 x i32>, ptr %src
Expand All @@ -157,9 +152,7 @@ define void @not_ctlz_v2i64(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: not_ctlz_v2i64:
; CHECK: # %bb.0:
; CHECK-NEXT: vld $vr0, $a0, 0
; CHECK-NEXT: vrepli.b $vr1, -1
; CHECK-NEXT: vxor.v $vr0, $vr0, $vr1
; CHECK-NEXT: vclz.d $vr0, $vr0
; CHECK-NEXT: vclo.d $vr0, $vr0
; CHECK-NEXT: vst $vr0, $a1, 0
; CHECK-NEXT: ret
%v = load <2 x i64>, ptr %src
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