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[LoongArch] Set avg{floor/ceil}{s/u} as legal for lsx and lasx #165836

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[LoongArch] Set avg{floor/ceil}{s/u} as legal for lsx and lasx #165836

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8 changes: 8 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -351,6 +351,10 @@ LoongArchTargetLowering::LoongArchTargetLowering(const TargetMachine &TM,
setOperationAction(ISD::SSUBSAT, VT, Legal);
setOperationAction(ISD::UADDSAT, VT, Legal);
setOperationAction(ISD::USUBSAT, VT, Legal);
setOperationAction(ISD::AVGFLOORS, VT, Legal);
setOperationAction(ISD::AVGFLOORU, VT, Legal);
setOperationAction(ISD::AVGCEILS, VT, Legal);
setOperationAction(ISD::AVGCEILU, VT, Legal);
}
for (MVT VT : {MVT::v16i8, MVT::v8i16, MVT::v4i32})
setOperationAction(ISD::BITREVERSE, VT, Custom);
Expand Down Expand Up @@ -433,6 +437,10 @@ LoongArchTargetLowering::LoongArchTargetLowering(const TargetMachine &TM,
setOperationAction(ISD::UADDSAT, VT, Legal);
setOperationAction(ISD::USUBSAT, VT, Legal);
setOperationAction(ISD::VECREDUCE_ADD, VT, Custom);
setOperationAction(ISD::AVGFLOORS, VT, Legal);
setOperationAction(ISD::AVGFLOORU, VT, Legal);
setOperationAction(ISD::AVGCEILS, VT, Legal);
setOperationAction(ISD::AVGCEILU, VT, Legal);
}
for (MVT VT : {MVT::v32i8, MVT::v16i16, MVT::v8i32})
setOperationAction(ISD::BITREVERSE, VT, Custom);
Expand Down
4 changes: 4 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
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Expand Up @@ -2044,6 +2044,10 @@ defm : VAvgrPat<srl, "XVAVGR_BU", v32i8>;
defm : VAvgrPat<srl, "XVAVGR_HU", v16i16>;
defm : VAvgrPat<srl, "XVAVGR_WU", v8i32>;
defm : VAvgrPat<srl, "XVAVGR_DU", v4i64>;
defm : PatXrXr<avgfloors, "XVAVG">;
defm : PatXrXr<avgceils, "XVAVGR">;
defm : PatXrXrU<avgflooru, "XVAVG">;
defm : PatXrXrU<avgceilu, "XVAVGR">;

// abs
def : Pat<(abs v32i8:$xj), (XVSIGNCOV_B v32i8:$xj, v32i8:$xj)>;
Expand Down
4 changes: 4 additions & 0 deletions llvm/lib/Target/LoongArch/LoongArchLSXInstrInfo.td
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Expand Up @@ -2186,6 +2186,10 @@ defm : VAvgrPat<srl, "VAVGR_BU", v16i8>;
defm : VAvgrPat<srl, "VAVGR_HU", v8i16>;
defm : VAvgrPat<srl, "VAVGR_WU", v4i32>;
defm : VAvgrPat<srl, "VAVGR_DU", v2i64>;
defm : PatVrVr<avgfloors, "VAVG">;
defm : PatVrVr<avgceils, "VAVGR">;
defm : PatVrVrU<avgflooru, "VAVG">;
defm : PatVrVrU<avgceilu, "VAVGR">;

// abs
def : Pat<(abs v16i8:$vj), (VSIGNCOV_B v16i8:$vj, v16i8:$vj)>;
Expand Down
80 changes: 16 additions & 64 deletions llvm/test/CodeGen/LoongArch/lasx/ir-instruction/avgfloor-ceil.ll
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Expand Up @@ -7,10 +7,7 @@ define void @xvavg_b(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.b $xr0, $xr0, 1
; CHECK-NEXT: xvadd.b $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.b $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -30,10 +27,7 @@ define void @xvavg_h(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.h $xr0, $xr0, 1
; CHECK-NEXT: xvadd.h $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.h $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -53,10 +47,7 @@ define void @xvavg_w(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.w $xr0, $xr0, 1
; CHECK-NEXT: xvadd.w $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.w $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -76,10 +67,7 @@ define void @xvavg_d(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.d $xr0, $xr0, 1
; CHECK-NEXT: xvadd.d $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.d $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -99,10 +87,7 @@ define void @xvavg_bu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.b $xr0, $xr0, 1
; CHECK-NEXT: xvadd.b $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.bu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -122,10 +107,7 @@ define void @xvavg_hu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.h $xr0, $xr0, 1
; CHECK-NEXT: xvadd.h $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.hu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -145,10 +127,7 @@ define void @xvavg_wu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.w $xr0, $xr0, 1
; CHECK-NEXT: xvadd.w $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.wu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -168,10 +147,7 @@ define void @xvavg_du(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvand.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.d $xr0, $xr0, 1
; CHECK-NEXT: xvadd.d $xr0, $xr2, $xr0
; CHECK-NEXT: xvavg.du $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -191,10 +167,7 @@ define void @xvavgr_b(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.b $xr0, $xr0, 1
; CHECK-NEXT: xvsub.b $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.b $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -215,10 +188,7 @@ define void @xvavgr_h(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.h $xr0, $xr0, 1
; CHECK-NEXT: xvsub.h $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.h $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -239,10 +209,7 @@ define void @xvavgr_w(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.w $xr0, $xr0, 1
; CHECK-NEXT: xvsub.w $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.w $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -263,10 +230,7 @@ define void @xvavgr_d(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrai.d $xr0, $xr0, 1
; CHECK-NEXT: xvsub.d $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.d $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -287,10 +251,7 @@ define void @xvavgr_bu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.b $xr0, $xr0, 1
; CHECK-NEXT: xvsub.b $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.bu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -311,10 +272,7 @@ define void @xvavgr_hu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.h $xr0, $xr0, 1
; CHECK-NEXT: xvsub.h $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.hu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -335,10 +293,7 @@ define void @xvavgr_wu(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.w $xr0, $xr0, 1
; CHECK-NEXT: xvsub.w $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.wu $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand All @@ -359,10 +314,7 @@ define void @xvavgr_du(ptr %res, ptr %a, ptr %b) nounwind {
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xvld $xr0, $a1, 0
; CHECK-NEXT: xvld $xr1, $a2, 0
; CHECK-NEXT: xvor.v $xr2, $xr0, $xr1
; CHECK-NEXT: xvxor.v $xr0, $xr0, $xr1
; CHECK-NEXT: xvsrli.d $xr0, $xr0, 1
; CHECK-NEXT: xvsub.d $xr0, $xr2, $xr0
; CHECK-NEXT: xvavgr.du $xr0, $xr0, $xr1
; CHECK-NEXT: xvst $xr0, $a0, 0
; CHECK-NEXT: ret
entry:
Expand Down
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