[AArch64][SVE] Implement unpack intrinsics
Summary:
Implements the following intrinsics:
- int_aarch64_sve_sunpkhi
- int_aarch64_sve_sunpklo
- int_aarch64_sve_uunpkhi
- int_aarch64_sve_uunpklo
This patch also adds AArch64ISD nodes for UNPK instead of implementing
the intrinsics directly, as they are required for a future patch which
implements the sign/zero extension of legal vectors.
This patch includes tests for the Subdivide2Argument type added by D67549
Reviewers: sdesmalen, SjoerdMeijer, greened, rengolin, rovka
Reviewed By: greened
Subscribers: tschuett, kristof.beyls, rkruppe, psnobl, cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D67550
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375210 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/IR/IntrinsicsAArch64.td b/include/llvm/IR/IntrinsicsAArch64.td
index e0e780a..db01700 100644
--- a/include/llvm/IR/IntrinsicsAArch64.td
+++ b/include/llvm/IR/IntrinsicsAArch64.td
@@ -775,6 +775,11 @@
llvm_anyvector_ty],
[IntrNoMem]>;
+ class AdvSIMD_SVE_Unpack_Intrinsic
+ : Intrinsic<[llvm_anyvector_ty],
+ [LLVMSubdivide2VectorType<0>],
+ [IntrNoMem]>;
+
class AdvSIMD_SVE_PUNPKHI_Intrinsic
: Intrinsic<[LLVMHalfElementsVectorType<0>],
[llvm_anyvector_ty],
@@ -827,6 +832,16 @@
def int_aarch64_sve_cnt : AdvSIMD_SVE_CNT_Intrinsic;
//
+// Permutations and selection
+//
+
+def int_aarch64_sve_sunpkhi : AdvSIMD_SVE_Unpack_Intrinsic;
+def int_aarch64_sve_sunpklo : AdvSIMD_SVE_Unpack_Intrinsic;
+
+def int_aarch64_sve_uunpkhi : AdvSIMD_SVE_Unpack_Intrinsic;
+def int_aarch64_sve_uunpklo : AdvSIMD_SVE_Unpack_Intrinsic;
+
+//
// Floating-point comparisons
//
diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp
index ee62b6d..ccd085e 100644
--- a/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -1300,6 +1300,10 @@
case AArch64ISD::STZG: return "AArch64ISD::STZG";
case AArch64ISD::ST2G: return "AArch64ISD::ST2G";
case AArch64ISD::STZ2G: return "AArch64ISD::STZ2G";
+ case AArch64ISD::SUNPKHI: return "AArch64ISD::SUNPKHI";
+ case AArch64ISD::SUNPKLO: return "AArch64ISD::SUNPKLO";
+ case AArch64ISD::UUNPKHI: return "AArch64ISD::UUNPKHI";
+ case AArch64ISD::UUNPKLO: return "AArch64ISD::UUNPKLO";
}
return nullptr;
}
@@ -2838,6 +2842,19 @@
return DAG.getNode(ISD::UMIN, dl, Op.getValueType(),
Op.getOperand(1), Op.getOperand(2));
+ case Intrinsic::aarch64_sve_sunpkhi:
+ return DAG.getNode(AArch64ISD::SUNPKHI, dl, Op.getValueType(),
+ Op.getOperand(1));
+ case Intrinsic::aarch64_sve_sunpklo:
+ return DAG.getNode(AArch64ISD::SUNPKLO, dl, Op.getValueType(),
+ Op.getOperand(1));
+ case Intrinsic::aarch64_sve_uunpkhi:
+ return DAG.getNode(AArch64ISD::UUNPKHI, dl, Op.getValueType(),
+ Op.getOperand(1));
+ case Intrinsic::aarch64_sve_uunpklo:
+ return DAG.getNode(AArch64ISD::UUNPKLO, dl, Op.getValueType(),
+ Op.getOperand(1));
+
case Intrinsic::localaddress: {
const auto &MF = DAG.getMachineFunction();
const auto *RegInfo = Subtarget->getRegisterInfo();
diff --git a/lib/Target/AArch64/AArch64ISelLowering.h b/lib/Target/AArch64/AArch64ISelLowering.h
index 462fcab..83109bb 100644
--- a/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/lib/Target/AArch64/AArch64ISelLowering.h
@@ -191,6 +191,11 @@
FRECPE, FRECPS,
FRSQRTE, FRSQRTS,
+ SUNPKHI,
+ SUNPKLO,
+ UUNPKHI,
+ UUNPKLO,
+
// NEON Load/Store with post-increment base updates
LD2post = ISD::FIRST_TARGET_MEMORY_OPCODE,
LD3post,
diff --git a/lib/Target/AArch64/AArch64InstrInfo.td b/lib/Target/AArch64/AArch64InstrInfo.td
index 6154528..59a1cb2 100644
--- a/lib/Target/AArch64/AArch64InstrInfo.td
+++ b/lib/Target/AArch64/AArch64InstrInfo.td
@@ -421,6 +421,14 @@
def AArch64st2g : SDNode<"AArch64ISD::ST2G", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64stz2g : SDNode<"AArch64ISD::STZ2G", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+def SDT_AArch64unpk : SDTypeProfile<1, 1, [
+ SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>
+]>;
+def AArch64sunpkhi : SDNode<"AArch64ISD::SUNPKHI", SDT_AArch64unpk>;
+def AArch64sunpklo : SDNode<"AArch64ISD::SUNPKLO", SDT_AArch64unpk>;
+def AArch64uunpkhi : SDNode<"AArch64ISD::UUNPKHI", SDT_AArch64unpk>;
+def AArch64uunpklo : SDNode<"AArch64ISD::UUNPKLO", SDT_AArch64unpk>;
+
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
diff --git a/lib/Target/AArch64/AArch64SVEInstrInfo.td b/lib/Target/AArch64/AArch64SVEInstrInfo.td
index 5477e9f..fc75004 100644
--- a/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ b/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -211,10 +211,10 @@
defm REV_PP : sve_int_perm_reverse_p<"rev">;
defm REV_ZZ : sve_int_perm_reverse_z<"rev">;
- defm SUNPKLO_ZZ : sve_int_perm_unpk<0b00, "sunpklo">;
- defm SUNPKHI_ZZ : sve_int_perm_unpk<0b01, "sunpkhi">;
- defm UUNPKLO_ZZ : sve_int_perm_unpk<0b10, "uunpklo">;
- defm UUNPKHI_ZZ : sve_int_perm_unpk<0b11, "uunpkhi">;
+ defm SUNPKLO_ZZ : sve_int_perm_unpk<0b00, "sunpklo", AArch64sunpklo>;
+ defm SUNPKHI_ZZ : sve_int_perm_unpk<0b01, "sunpkhi", AArch64sunpkhi>;
+ defm UUNPKLO_ZZ : sve_int_perm_unpk<0b10, "uunpklo", AArch64uunpklo>;
+ defm UUNPKHI_ZZ : sve_int_perm_unpk<0b11, "uunpkhi", AArch64uunpkhi>;
defm PUNPKLO_PP : sve_int_perm_punpk<0b0, "punpklo", int_aarch64_sve_punpklo>;
defm PUNPKHI_PP : sve_int_perm_punpk<0b1, "punpkhi", int_aarch64_sve_punpkhi>;
diff --git a/lib/Target/AArch64/SVEInstrFormats.td b/lib/Target/AArch64/SVEInstrFormats.td
index ec5ebfb..ec83e34 100644
--- a/lib/Target/AArch64/SVEInstrFormats.td
+++ b/lib/Target/AArch64/SVEInstrFormats.td
@@ -848,10 +848,14 @@
let Inst{4-0} = Zd;
}
-multiclass sve_int_perm_unpk<bits<2> opc, string asm> {
+multiclass sve_int_perm_unpk<bits<2> opc, string asm, SDPatternOperator op> {
def _H : sve_int_perm_unpk<0b01, opc, asm, ZPR16, ZPR8>;
def _S : sve_int_perm_unpk<0b10, opc, asm, ZPR32, ZPR16>;
def _D : sve_int_perm_unpk<0b11, opc, asm, ZPR64, ZPR32>;
+
+ def : SVE_1_Op_Pat<nxv8i16, op, nxv16i8, !cast<Instruction>(NAME # _H)>;
+ def : SVE_1_Op_Pat<nxv4i32, op, nxv8i16, !cast<Instruction>(NAME # _S)>;
+ def : SVE_1_Op_Pat<nxv2i64, op, nxv4i32, !cast<Instruction>(NAME # _D)>;
}
class sve_int_perm_insrs<bits<2> sz8_64, string asm, ZPRRegOp zprty,
diff --git a/test/CodeGen/AArch64/sve-intrinsics-perm-select.ll b/test/CodeGen/AArch64/sve-intrinsics-perm-select.ll
new file mode 100644
index 0000000..c2230b0
--- /dev/null
+++ b/test/CodeGen/AArch64/sve-intrinsics-perm-select.ll
@@ -0,0 +1,129 @@
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s
+
+;
+; SUNPKHI
+;
+
+define <vscale x 8 x i16> @sunpkhi_i16(<vscale x 16 x i8> %a) {
+; CHECK-LABEL: sunpkhi_i16
+; CHECK: sunpkhi z0.h, z0.b
+; CHECK-NEXT: ret
+ %res = call <vscale x 8 x i16> @llvm.aarch64.sve.sunpkhi.nxv8i16(<vscale x 16 x i8> %a)
+ ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 4 x i32> @sunpkhi_i32(<vscale x 8 x i16> %a) {
+; CHECK-LABEL: sunpkhi_i32
+; CHECK: sunpkhi z0.s, z0.h
+; CHECK-NEXT: ret
+ %res = call <vscale x 4 x i32> @llvm.aarch64.sve.sunpkhi.nxv4i32(<vscale x 8 x i16> %a)
+ ret <vscale x 4 x i32> %res
+}
+
+define <vscale x 2 x i64> @sunpkhi_i64(<vscale x 4 x i32> %a) {
+; CHECK-LABEL: sunpkhi_i64
+; CHECK: sunpkhi z0.d, z0.s
+; CHECK-NEXT: ret
+ %res = call <vscale x 2 x i64> @llvm.aarch64.sve.sunpkhi.nxv2i64(<vscale x 4 x i32> %a)
+ ret <vscale x 2 x i64> %res
+}
+
+;
+; SUNPKLO
+;
+
+define <vscale x 8 x i16> @sunpklo_i16(<vscale x 16 x i8> %a) {
+; CHECK-LABEL: sunpklo_i16
+; CHECK: sunpklo z0.h, z0.b
+; CHECK-NEXT: ret
+ %res = call <vscale x 8 x i16> @llvm.aarch64.sve.sunpklo.nxv8i16(<vscale x 16 x i8> %a)
+ ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 4 x i32> @sunpklo_i32(<vscale x 8 x i16> %a) {
+; CHECK-LABEL: sunpklo_i32
+; CHECK: sunpklo z0.s, z0.h
+; CHECK-NEXT: ret
+ %res = call <vscale x 4 x i32> @llvm.aarch64.sve.sunpklo.nxv4i32(<vscale x 8 x i16> %a)
+ ret <vscale x 4 x i32> %res
+}
+
+define <vscale x 2 x i64> @sunpklo_i64(<vscale x 4 x i32> %a) {
+; CHECK-LABEL: sunpklo_i64
+; CHECK: sunpklo z0.d, z0.s
+; CHECK-NEXT: ret
+ %res = call <vscale x 2 x i64> @llvm.aarch64.sve.sunpklo.nxv2i64(<vscale x 4 x i32> %a)
+ ret <vscale x 2 x i64> %res
+}
+
+;
+; UUNPKHI
+;
+
+define <vscale x 8 x i16> @uunpkhi_i16(<vscale x 16 x i8> %a) {
+; CHECK-LABEL: uunpkhi_i16
+; CHECK: uunpkhi z0.h, z0.b
+; CHECK-NEXT: ret
+ %res = call <vscale x 8 x i16> @llvm.aarch64.sve.uunpkhi.nxv8i16(<vscale x 16 x i8> %a)
+ ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 4 x i32> @uunpkhi_i32(<vscale x 8 x i16> %a) {
+; CHECK-LABEL: uunpkhi_i32
+; CHECK: uunpkhi z0.s, z0.h
+; CHECK-NEXT: ret
+ %res = call <vscale x 4 x i32> @llvm.aarch64.sve.uunpkhi.nxv4i32(<vscale x 8 x i16> %a)
+ ret <vscale x 4 x i32> %res
+}
+
+define <vscale x 2 x i64> @uunpkhi_i64(<vscale x 4 x i32> %a) {
+; CHECK-LABEL: uunpkhi_i64
+; CHECK: uunpkhi z0.d, z0.s
+; CHECK-NEXT: ret
+ %res = call <vscale x 2 x i64> @llvm.aarch64.sve.uunpkhi.nxv2i64(<vscale x 4 x i32> %a)
+ ret <vscale x 2 x i64> %res
+}
+
+;
+; UUNPKLO
+;
+
+define <vscale x 8 x i16> @uunpklo_i16(<vscale x 16 x i8> %a) {
+; CHECK-LABEL: uunpklo_i16
+; CHECK: uunpklo z0.h, z0.b
+; CHECK-NEXT: ret
+ %res = call <vscale x 8 x i16> @llvm.aarch64.sve.uunpklo.nxv8i16(<vscale x 16 x i8> %a)
+ ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 4 x i32> @uunpklo_i32(<vscale x 8 x i16> %a) {
+; CHECK-LABEL: uunpklo_i32
+; CHECK: uunpklo z0.s, z0.h
+; CHECK-NEXT: ret
+ %res = call <vscale x 4 x i32> @llvm.aarch64.sve.uunpklo.nxv4i32(<vscale x 8 x i16> %a)
+ ret <vscale x 4 x i32> %res
+}
+
+define <vscale x 2 x i64> @uunpklo_i64(<vscale x 4 x i32> %a) {
+; CHECK-LABEL: uunpklo_i64
+; CHECK: uunpklo z0.d, z0.s
+; CHECK-NEXT: ret
+ %res = call <vscale x 2 x i64> @llvm.aarch64.sve.uunpklo.nxv2i64(<vscale x 4 x i32> %a)
+ ret <vscale x 2 x i64> %res
+}
+
+declare <vscale x 8 x i16> @llvm.aarch64.sve.sunpkhi.nxv8i16(<vscale x 16 x i8>)
+declare <vscale x 4 x i32> @llvm.aarch64.sve.sunpkhi.nxv4i32(<vscale x 8 x i16>)
+declare <vscale x 2 x i64> @llvm.aarch64.sve.sunpkhi.nxv2i64(<vscale x 4 x i32>)
+
+declare <vscale x 8 x i16> @llvm.aarch64.sve.sunpklo.nxv8i16(<vscale x 16 x i8>)
+declare <vscale x 4 x i32> @llvm.aarch64.sve.sunpklo.nxv4i32(<vscale x 8 x i16>)
+declare <vscale x 2 x i64> @llvm.aarch64.sve.sunpklo.nxv2i64(<vscale x 4 x i32>)
+
+declare <vscale x 8 x i16> @llvm.aarch64.sve.uunpkhi.nxv8i16(<vscale x 16 x i8>)
+declare <vscale x 4 x i32> @llvm.aarch64.sve.uunpkhi.nxv4i32(<vscale x 8 x i16>)
+declare <vscale x 2 x i64> @llvm.aarch64.sve.uunpkhi.nxv2i64(<vscale x 4 x i32>)
+
+declare <vscale x 8 x i16> @llvm.aarch64.sve.uunpklo.nxv8i16(<vscale x 16 x i8>)
+declare <vscale x 4 x i32> @llvm.aarch64.sve.uunpklo.nxv4i32(<vscale x 8 x i16>)
+declare <vscale x 2 x i64> @llvm.aarch64.sve.uunpklo.nxv2i64(<vscale x 4 x i32>)
