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-rw-r--r--llvm/lib/Target/ARM/ARMInstrNEON.td41
1 files changed, 27 insertions, 14 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrNEON.td b/llvm/lib/Target/ARM/ARMInstrNEON.td
index a1e4159259e..4bc82a2e434 100644
--- a/llvm/lib/Target/ARM/ARMInstrNEON.td
+++ b/llvm/lib/Target/ARM/ARMInstrNEON.td
@@ -466,9 +466,6 @@ def SDTARMVSHINS : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
def NEONvshl : SDNode<"ARMISD::VSHL", SDTARMVSH>;
def NEONvshrs : SDNode<"ARMISD::VSHRs", SDTARMVSH>;
def NEONvshru : SDNode<"ARMISD::VSHRu", SDTARMVSH>;
-def NEONvshlls : SDNode<"ARMISD::VSHLLs", SDTARMVSHX>;
-def NEONvshllu : SDNode<"ARMISD::VSHLLu", SDTARMVSHX>;
-def NEONvshlli : SDNode<"ARMISD::VSHLLi", SDTARMVSHX>;
def NEONvshrn : SDNode<"ARMISD::VSHRN", SDTARMVSHX>;
def NEONvrshrs : SDNode<"ARMISD::VRSHRs", SDTARMVSH>;
@@ -3038,12 +3035,12 @@ class N2VQSh<bit op24, bit op23, bits<4> op11_8, bit op7, bit op4,
// Long shift by immediate.
class N2VLSh<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
string OpcodeStr, string Dt,
- ValueType ResTy, ValueType OpTy, Operand ImmTy, SDNode OpNode>
+ ValueType ResTy, ValueType OpTy, Operand ImmTy,
+ SDPatternOperator OpNode>
: N2VImm<op24, op23, op11_8, op7, op6, op4,
(outs QPR:$Vd), (ins DPR:$Vm, ImmTy:$SIMM), N2RegVShLFrm,
IIC_VSHLiD, OpcodeStr, Dt, "$Vd, $Vm, $SIMM", "",
- [(set QPR:$Vd, (ResTy (OpNode (OpTy DPR:$Vm),
- (i32 imm:$SIMM))))]>;
+ [(set QPR:$Vd, (ResTy (OpNode (OpTy DPR:$Vm), ImmTy:$SIMM)))]>;
// Narrow shift by immediate.
class N2VNSh<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
@@ -3942,7 +3939,8 @@ multiclass N2VShInsR_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
// Neon Shift Long operations,
// element sizes of 8, 16, 32 bits:
multiclass N2VLSh_QHS<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6,
- bit op4, string OpcodeStr, string Dt, SDNode OpNode> {
+ bit op4, string OpcodeStr, string Dt,
+ SDPatternOperator OpNode> {
def v8i16 : N2VLSh<op24, op23, op11_8, op7, op6, op4,
OpcodeStr, !strconcat(Dt, "8"), v8i16, v8i8, imm1_7, OpNode> {
let Inst{21-19} = 0b001; // imm6 = 001xxx
@@ -4947,24 +4945,39 @@ defm VSHRu : N2VShR_QHSD<1, 1, 0b0000, 1, IIC_VSHLiD, "vshr", "u", "VSHRu",
NEONvshru>;
// VSHLL : Vector Shift Left Long
-defm VSHLLs : N2VLSh_QHS<0, 1, 0b1010, 0, 0, 1, "vshll", "s", NEONvshlls>;
-defm VSHLLu : N2VLSh_QHS<1, 1, 0b1010, 0, 0, 1, "vshll", "u", NEONvshllu>;
+defm VSHLLs : N2VLSh_QHS<0, 1, 0b1010, 0, 0, 1, "vshll", "s",
+ PatFrag<(ops node:$LHS, node:$RHS), (NEONvshl (sext node:$LHS), node:$RHS)>>;
+defm VSHLLu : N2VLSh_QHS<1, 1, 0b1010, 0, 0, 1, "vshll", "u",
+ PatFrag<(ops node:$LHS, node:$RHS), (NEONvshl (zext node:$LHS), node:$RHS)>>;
// VSHLL : Vector Shift Left Long (with maximum shift count)
class N2VLShMax<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
bit op6, bit op4, string OpcodeStr, string Dt, ValueType ResTy,
- ValueType OpTy, Operand ImmTy, SDNode OpNode>
+ ValueType OpTy, Operand ImmTy>
: N2VLSh<op24, op23, op11_8, op7, op6, op4, OpcodeStr, Dt,
- ResTy, OpTy, ImmTy, OpNode> {
+ ResTy, OpTy, ImmTy, null_frag> {
let Inst{21-16} = op21_16;
let DecoderMethod = "DecodeVSHLMaxInstruction";
}
def VSHLLi8 : N2VLShMax<1, 1, 0b110010, 0b0011, 0, 0, 0, "vshll", "i8",
- v8i16, v8i8, imm8, NEONvshlli>;
+ v8i16, v8i8, imm8>;
def VSHLLi16 : N2VLShMax<1, 1, 0b110110, 0b0011, 0, 0, 0, "vshll", "i16",
- v4i32, v4i16, imm16, NEONvshlli>;
+ v4i32, v4i16, imm16>;
def VSHLLi32 : N2VLShMax<1, 1, 0b111010, 0b0011, 0, 0, 0, "vshll", "i32",
- v2i64, v2i32, imm32, NEONvshlli>;
+ v2i64, v2i32, imm32>;
+
+def : Pat<(v8i16 (NEONvshl (zext (v8i8 DPR:$Rn)), (i32 8))),
+ (VSHLLi8 DPR:$Rn, 8)>;
+def : Pat<(v4i32 (NEONvshl (zext (v4i16 DPR:$Rn)), (i32 16))),
+ (VSHLLi16 DPR:$Rn, 16)>;
+def : Pat<(v2i64 (NEONvshl (zext (v2i32 DPR:$Rn)), (i32 32))),
+ (VSHLLi32 DPR:$Rn, 32)>;
+def : Pat<(v8i16 (NEONvshl (sext (v8i8 DPR:$Rn)), (i32 8))),
+ (VSHLLi8 DPR:$Rn, 8)>;
+def : Pat<(v4i32 (NEONvshl (sext (v4i16 DPR:$Rn)), (i32 16))),
+ (VSHLLi16 DPR:$Rn, 16)>;
+def : Pat<(v2i64 (NEONvshl (sext (v2i32 DPR:$Rn)), (i32 32))),
+ (VSHLLi32 DPR:$Rn, 32)>;
// VSHRN : Vector Shift Right and Narrow
defm VSHRN : N2VNSh_HSD<0,1,0b1000,0,0,1, IIC_VSHLiD, "vshrn", "i",
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