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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp84
-rw-r--r--lib/Target/X86/X86ISelLowering.h7
-rw-r--r--lib/Target/X86/X86InstrAVX512.td202
-rw-r--r--lib/Target/X86/X86InstrFragmentsSIMD.td9
-rw-r--r--test/CodeGen/X86/avx512-vec-cmp.ll113
5 files changed, 406 insertions, 9 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 55b1f01..b6e7413 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -9705,6 +9705,42 @@ static SDValue Lower256IntVSETCC(SDValue Op, SelectionDAG &DAG) {
DAG.getNode(Op.getOpcode(), dl, NewVT, LHS2, RHS2, CC));
}
+static SDValue LowerIntVSETCC_AVX512(SDValue Op, SelectionDAG &DAG) {
+ SDValue Cond;
+ SDValue Op0 = Op.getOperand(0);
+ SDValue Op1 = Op.getOperand(1);
+ SDValue CC = Op.getOperand(2);
+ MVT VT = Op.getValueType().getSimpleVT();
+
+ EVT OpVT = Op0.getValueType();
+ assert(OpVT.getVectorElementType().getSizeInBits() >= 32 &&
+ Op.getValueType().getScalarType() == MVT::i1 &&
+ "Cannot set masked compare for this operation");
+
+ ISD::CondCode SetCCOpcode = cast<CondCodeSDNode>(CC)->get();
+ SDLoc dl(Op);
+
+ bool Unsigned = false;
+ unsigned SSECC;
+ switch (SetCCOpcode) {
+ default: llvm_unreachable("Unexpected SETCC condition");
+ case ISD::SETNE: SSECC = 4; break;
+ case ISD::SETEQ: SSECC = 0; break;
+ case ISD::SETUGT: Unsigned = true;
+ case ISD::SETGT: SSECC = 6; break; // NLE
+ case ISD::SETULT: Unsigned = true;
+ case ISD::SETLT: SSECC = 1; break;
+ case ISD::SETUGE: Unsigned = true;
+ case ISD::SETGE: SSECC = 5; break; // NLT
+ case ISD::SETULE: Unsigned = true;
+ case ISD::SETLE: SSECC = 2; break;
+ }
+ unsigned Opc = Unsigned ? X86ISD::CMPMU: X86ISD::CMPM;
+ return DAG.getNode(Opc, dl, VT, Op0, Op1,
+ DAG.getConstant(SSECC, MVT::i8));
+
+}
+
static SDValue LowerVSETCC(SDValue Op, const X86Subtarget *Subtarget,
SelectionDAG &DAG) {
SDValue Cond;
@@ -9723,7 +9759,12 @@ static SDValue LowerVSETCC(SDValue Op, const X86Subtarget *Subtarget,
#endif
unsigned SSECC = translateX86FSETCC(SetCCOpcode, Op0, Op1);
-
+ unsigned Opc = X86ISD::CMPP;
+ unsigned NumElems = VT.getVectorNumElements();
+ if (Subtarget->hasAVX512() && VT.getVectorElementType() == MVT::i1) {
+ assert(NumElems <=16);
+ Opc = X86ISD::CMPM;
+ }
// In the two special cases we can't handle, emit two comparisons.
if (SSECC == 8) {
unsigned CC0, CC1;
@@ -9735,14 +9776,14 @@ static SDValue LowerVSETCC(SDValue Op, const X86Subtarget *Subtarget,
CC0 = 7; CC1 = 4; CombineOpc = ISD::AND;
}
- SDValue Cmp0 = DAG.getNode(X86ISD::CMPP, dl, VT, Op0, Op1,
+ SDValue Cmp0 = DAG.getNode(Opc, dl, VT, Op0, Op1,
DAG.getConstant(CC0, MVT::i8));
- SDValue Cmp1 = DAG.getNode(X86ISD::CMPP, dl, VT, Op0, Op1,
+ SDValue Cmp1 = DAG.getNode(Opc, dl, VT, Op0, Op1,
DAG.getConstant(CC1, MVT::i8));
return DAG.getNode(CombineOpc, dl, VT, Cmp0, Cmp1);
}
// Handle all other FP comparisons here.
- return DAG.getNode(X86ISD::CMPP, dl, VT, Op0, Op1,
+ return DAG.getNode(Opc, dl, VT, Op0, Op1,
DAG.getConstant(SSECC, MVT::i8));
}
@@ -9750,6 +9791,24 @@ static SDValue LowerVSETCC(SDValue Op, const X86Subtarget *Subtarget,
if (VT.is256BitVector() && !Subtarget->hasInt256())
return Lower256IntVSETCC(Op, DAG);
+ bool MaskResult = (VT.getVectorElementType() == MVT::i1);
+ EVT OpVT = Op1.getValueType();
+ if (Subtarget->hasAVX512()) {
+ if (Op1.getValueType().is512BitVector() ||
+ (MaskResult && OpVT.getVectorElementType().getSizeInBits() >= 32))
+ return LowerIntVSETCC_AVX512(Op, DAG);
+
+ // In AVX-512 architecture setcc returns mask with i1 elements,
+ // But there is no compare instruction for i8 and i16 elements.
+ // We are not talking about 512-bit operands in this case, these
+ // types are illegal.
+ if (MaskResult &&
+ (OpVT.getVectorElementType().getSizeInBits() < 32 &&
+ OpVT.getVectorElementType().getSizeInBits() >= 8))
+ return DAG.getNode(ISD::TRUNCATE, dl, VT,
+ DAG.getNode(ISD::SETCC, dl, OpVT, Op0, Op1, CC));
+ }
+
// We are handling one of the integer comparisons here. Since SSE only has
// GT and EQ comparisons for integer, swapping operands and multiple
// operations may be required for some comparisons.
@@ -9759,15 +9818,18 @@ static SDValue LowerVSETCC(SDValue Op, const X86Subtarget *Subtarget,
switch (SetCCOpcode) {
default: llvm_unreachable("Unexpected SETCC condition");
case ISD::SETNE: Invert = true;
- case ISD::SETEQ: Opc = X86ISD::PCMPEQ; break;
+ case ISD::SETEQ: Opc = MaskResult? X86ISD::PCMPEQM: X86ISD::PCMPEQ; break;
case ISD::SETLT: Swap = true;
- case ISD::SETGT: Opc = X86ISD::PCMPGT; break;
+ case ISD::SETGT: Opc = MaskResult? X86ISD::PCMPGTM: X86ISD::PCMPGT; break;
case ISD::SETGE: Swap = true;
- case ISD::SETLE: Opc = X86ISD::PCMPGT; Invert = true; break;
+ case ISD::SETLE: Opc = MaskResult? X86ISD::PCMPGTM: X86ISD::PCMPGT;
+ Invert = true; break;
case ISD::SETULT: Swap = true;
- case ISD::SETUGT: Opc = X86ISD::PCMPGT; FlipSigns = true; break;
+ case ISD::SETUGT: Opc = MaskResult? X86ISD::PCMPGTM: X86ISD::PCMPGT;
+ FlipSigns = true; break;
case ISD::SETUGE: Swap = true;
- case ISD::SETULE: Opc = X86ISD::PCMPGT; FlipSigns = true; Invert = true; break;
+ case ISD::SETULE: Opc = MaskResult? X86ISD::PCMPGTM: X86ISD::PCMPGT;
+ FlipSigns = true; Invert = true; break;
}
// Special case: Use min/max operations for SETULE/SETUGE
@@ -13201,6 +13263,8 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
case X86ISD::CMP: return "X86ISD::CMP";
case X86ISD::COMI: return "X86ISD::COMI";
case X86ISD::UCOMI: return "X86ISD::UCOMI";
+ case X86ISD::CMPM: return "X86ISD::CMPM";
+ case X86ISD::CMPMU: return "X86ISD::CMPMU";
case X86ISD::SETCC: return "X86ISD::SETCC";
case X86ISD::SETCC_CARRY: return "X86ISD::SETCC_CARRY";
case X86ISD::FSETCCsd: return "X86ISD::FSETCCsd";
@@ -13273,6 +13337,8 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
case X86ISD::CMPP: return "X86ISD::CMPP";
case X86ISD::PCMPEQ: return "X86ISD::PCMPEQ";
case X86ISD::PCMPGT: return "X86ISD::PCMPGT";
+ case X86ISD::PCMPEQM: return "X86ISD::PCMPEQM";
+ case X86ISD::PCMPGTM: return "X86ISD::PCMPGTM";
case X86ISD::ADD: return "X86ISD::ADD";
case X86ISD::SUB: return "X86ISD::SUB";
case X86ISD::ADC: return "X86ISD::ADC";
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index c931b9b..7201f7a 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -274,6 +274,13 @@ namespace llvm {
// PCMP* - Vector integer comparisons.
PCMPEQ, PCMPGT,
+ // PCMP*M - Vector integer comparisons, the result is in a mask vector
+ PCMPEQM, PCMPGTM,
+
+ /// CMPM, CMPMU - Vector comparison generating mask bits for fp and
+ /// integer signed and unsigned data types.
+ CMPM,
+ CMPMU,
// ADD, SUB, SMUL, etc. - Arithmetic operations with FLAGS results.
ADD, SUB, ADC, SBB, SMUL,
diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 7fed783..f4528a9 100644
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -564,7 +564,195 @@ defm VPERMI2PS : avx512_perm_3src<0x77, "vpermi2ps", VR512, memopv16f32, i512me
defm VPERMI2PD : avx512_perm_3src<0x77, "vpermi2pd", VR512, memopv8f64, i512mem,
v8f64>, EVEX_V512, VEX_W, EVEX_CD8<64, CD8VF>;
+//===----------------------------------------------------------------------===//
+// AVX-512 - BLEND using mask
+//
+multiclass avx512_blendmask<bits<8> opc, string OpcodeStr,
+ RegisterClass KRC, RegisterClass RC,
+ X86MemOperand x86memop, PatFrag mem_frag,
+ SDNode OpNode, ValueType vt> {
+ def rr : AVX5128I<opc, MRMSrcReg, (outs RC:$dst),
+ (ins KRC:$mask, RC:$src1, RC:$src2),
+ !strconcat(OpcodeStr,
+ "\t{$src2, $src1, ${dst}{${mask}}|${dst}{${mask}}, $src1, $src2}"),
+ [(set RC:$dst, (OpNode KRC:$mask, (vt RC:$src2),
+ (vt RC:$src1)))]>, EVEX_4V, EVEX_K;
+
+ def rm : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
+ (ins KRC:$mask, RC:$src1, x86memop:$src2),
+ !strconcat(OpcodeStr,
+ "\t{$src2, $src1, $mask, $dst|$dst, $mask, $src1, $src2}"),
+ []>,
+ EVEX_4V, EVEX_K;
+}
+
+let ExeDomain = SSEPackedSingle in
+defm VBLENDMPSZ : avx512_blendmask<0x65, "vblendmps", VK16WM, VR512, f512mem,
+ memopv16f32, vselect, v16f32>,
+ EVEX_CD8<32, CD8VF>, EVEX_V512;
+let ExeDomain = SSEPackedDouble in
+defm VBLENDMPDZ : avx512_blendmask<0x65, "vblendmpd", VK8WM, VR512, f512mem,
+ memopv8f64, vselect, v8f64>,
+ VEX_W, EVEX_CD8<64, CD8VF>, EVEX_V512;
+
+defm VPBLENDMDZ : avx512_blendmask<0x64, "vpblendmd", VK16WM, VR512, f512mem,
+ memopv8i64, vselect, v16i32>,
+ EVEX_CD8<32, CD8VF>, EVEX_V512;
+
+defm VPBLENDMQZ : avx512_blendmask<0x64, "vpblendmq", VK8WM, VR512, f512mem,
+ memopv8i64, vselect, v8i64>, VEX_W,
+ EVEX_CD8<64, CD8VF>, EVEX_V512;
+
+let Predicates = [HasAVX512] in {
+def : Pat<(v8f32 (vselect (v8i1 VK8WM:$mask), (v8f32 VR256X:$src1),
+ (v8f32 VR256X:$src2))),
+ (EXTRACT_SUBREG
+ (v16f32 (VBLENDMPSZrr (COPY_TO_REGCLASS VK8WM:$mask, VK16WM),
+ (v16f32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm)),
+ (v16f32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)))), sub_ymm)>;
+
+def : Pat<(v8i32 (vselect (v8i1 VK8WM:$mask), (v8i32 VR256X:$src1),
+ (v8i32 VR256X:$src2))),
+ (EXTRACT_SUBREG
+ (v16i32 (VPBLENDMDZrr (COPY_TO_REGCLASS VK8WM:$mask, VK16WM),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm)),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)))), sub_ymm)>;
+}
+
+multiclass avx512_icmp_packed<bits<8> opc, string OpcodeStr, RegisterClass KRC,
+ RegisterClass RC, X86MemOperand x86memop, PatFrag memop_frag,
+ SDNode OpNode, ValueType vt> {
+ def rr : AVX512BI<opc, MRMSrcReg,
+ (outs KRC:$dst), (ins RC:$src1, RC:$src2),
+ !strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
+ [(set KRC:$dst, (OpNode (vt RC:$src1), (vt RC:$src2)))],
+ IIC_SSE_CMPP_RR>, EVEX_4V;
+ def rm : AVX512BI<opc, MRMSrcMem,
+ (outs KRC:$dst), (ins RC:$src1, x86memop:$src2),
+ !strconcat(OpcodeStr, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
+ [(set KRC:$dst, (OpNode (vt RC:$src1),
+ (bitconvert (memop_frag addr:$src2))))],
+ IIC_SSE_CMPP_RM>, EVEX_4V;
+}
+
+defm VPCMPEQDZ : avx512_icmp_packed<0x76, "vpcmpeqd", VK16, VR512, i512mem,
+ memopv8i64, X86pcmpeqm, v16i32>, EVEX_V512;
+defm VPCMPEQQZ : avx512_icmp_packed<0x29, "vpcmpeqq", VK8, VR512, i512mem,
+ memopv8i64, X86pcmpeqm, v8i64>, T8, EVEX_V512, VEX_W;
+
+defm VPCMPGTDZ : avx512_icmp_packed<0x66, "vpcmpgtd", VK16, VR512, i512mem,
+ memopv8i64, X86pcmpgtm, v16i32>, EVEX_V512;
+defm VPCMPGTQZ : avx512_icmp_packed<0x37, "vpcmpgtq", VK8, VR512, i512mem,
+ memopv8i64, X86pcmpgtm, v8i64>, T8, EVEX_V512, VEX_W;
+
+def : Pat<(v8i1 (X86pcmpgtm (v8i32 VR256X:$src1), (v8i32 VR256X:$src2))),
+ (COPY_TO_REGCLASS (VPCMPGTDZrr
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm))), VK8)>;
+
+def : Pat<(v8i1 (X86pcmpeqm (v8i32 VR256X:$src1), (v8i32 VR256X:$src2))),
+ (COPY_TO_REGCLASS (VPCMPEQDZrr
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm))), VK8)>;
+
+
+multiclass avx512_icmp_cc<bits<8> opc, RegisterClass KRC,
+ RegisterClass RC, X86MemOperand x86memop, PatFrag memop_frag,
+ SDNode OpNode, ValueType vt, Operand CC, string asm,
+ string asm_alt> {
+ def rri : AVX512AIi8<opc, MRMSrcReg,
+ (outs KRC:$dst), (ins RC:$src1, RC:$src2, CC:$cc), asm,
+ [(set KRC:$dst, (OpNode (vt RC:$src1), (vt RC:$src2), imm:$cc))],
+ IIC_SSE_CMPP_RR>, EVEX_4V;
+ def rmi : AVX512AIi8<opc, MRMSrcMem,
+ (outs KRC:$dst), (ins RC:$src1, x86memop:$src2, CC:$cc), asm,
+ [(set KRC:$dst, (OpNode (vt RC:$src1),
+ (bitconvert (memop_frag addr:$src2)), imm:$cc))],
+ IIC_SSE_CMPP_RM>, EVEX_4V;
+ // Accept explicit immediate argument form instead of comparison code.
+ let neverHasSideEffects = 1 in {
+ def rri_alt : AVX512AIi8<opc, MRMSrcReg,
+ (outs RC:$dst), (ins RC:$src1, RC:$src2, i8imm:$cc),
+ asm_alt, [], IIC_SSE_CMPP_RR>, EVEX_4V;
+ def rmi_alt : AVX512AIi8<opc, MRMSrcMem,
+ (outs RC:$dst), (ins RC:$src1, x86memop:$src2, i8imm:$cc),
+ asm_alt, [], IIC_SSE_CMPP_RM>, EVEX_4V;
+ }
+}
+
+defm VPCMPDZ : avx512_icmp_cc<0x1F, VK16, VR512, i512mem, memopv8i64,
+ X86cmpm, v16i32, AVXCC,
+ "vpcmp${cc}d\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vpcmpd\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}">,
+ EVEX_V512, EVEX_CD8<32, CD8VF>;
+defm VPCMPUDZ : avx512_icmp_cc<0x1E, VK16, VR512, i512mem, memopv8i64,
+ X86cmpmu, v16i32, AVXCC,
+ "vpcmp${cc}ud\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vpcmpud\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}">,
+ EVEX_V512, EVEX_CD8<32, CD8VF>;
+
+defm VPCMPQZ : avx512_icmp_cc<0x1F, VK8, VR512, i512mem, memopv8i64,
+ X86cmpm, v8i64, AVXCC,
+ "vpcmp${cc}q\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vpcmpq\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}">,
+ VEX_W, EVEX_V512, EVEX_CD8<64, CD8VF>;
+defm VPCMPUQZ : avx512_icmp_cc<0x1E, VK8, VR512, i512mem, memopv8i64,
+ X86cmpmu, v8i64, AVXCC,
+ "vpcmp${cc}uq\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vpcmpuq\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}">,
+ VEX_W, EVEX_V512, EVEX_CD8<64, CD8VF>;
+
+// avx512_cmp_packed - sse 1 & 2 compare packed instructions
+multiclass avx512_cmp_packed<RegisterClass KRC, RegisterClass RC,
+ X86MemOperand x86memop, Operand CC,
+ SDNode OpNode, ValueType vt, string asm,
+ string asm_alt, Domain d> {
+ def rri : AVX512PIi8<0xC2, MRMSrcReg,
+ (outs KRC:$dst), (ins RC:$src1, RC:$src2, CC:$cc), asm,
+ [(set KRC:$dst, (OpNode (vt RC:$src1), (vt RC:$src2), imm:$cc))], d>;
+ def rmi : AVX512PIi8<0xC2, MRMSrcMem,
+ (outs KRC:$dst), (ins RC:$src1, x86memop:$src2, CC:$cc), asm,
+ [(set KRC:$dst,
+ (OpNode (vt RC:$src1), (memop addr:$src2), imm:$cc))], d>;
+
+ // Accept explicit immediate argument form instead of comparison code.
+ let neverHasSideEffects = 1 in {
+ def rri_alt : PIi8<0xC2, MRMSrcReg,
+ (outs RC:$dst), (ins RC:$src1, RC:$src2, i8imm:$cc),
+ asm_alt, [], IIC_SSE_CMPP_RR, d>;
+ def rmi_alt : PIi8<0xC2, MRMSrcMem,
+ (outs RC:$dst), (ins RC:$src1, x86memop:$src2, i8imm:$cc),
+ asm_alt, [], IIC_SSE_CMPP_RM, d>;
+ }
+}
+
+defm VCMPPSZ : avx512_cmp_packed<VK16, VR512, f512mem, AVXCC, X86cmpm, v16f32,
+ "vcmp${cc}ps\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vcmpps\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}",
+ SSEPackedSingle>, TB, EVEX_4V, EVEX_V512, EVEX_CD8<32, CD8VF>;
+defm VCMPPDZ : avx512_cmp_packed<VK8, VR512, f512mem, AVXCC, X86cmpm, v8f64,
+ "vcmp${cc}pd\t{$src2, $src1, $dst|$dst, $src1, $src2}",
+ "vcmppd\t{$cc, $src2, $src1, $dst|$dst, $src1, $src2, $cc}",
+ SSEPackedDouble>, TB, OpSize, EVEX_4V, VEX_W, EVEX_V512,
+ EVEX_CD8<64, CD8VF>;
+
+def : Pat<(v8i1 (X86cmpm (v8f32 VR256X:$src1), (v8f32 VR256X:$src2), imm:$cc)),
+ (COPY_TO_REGCLASS (VCMPPSZrri
+ (v16f32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)),
+ (v16f32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm)),
+ imm:$cc), VK8)>;
+def : Pat<(v8i1 (X86cmpm (v8i32 VR256X:$src1), (v8i32 VR256X:$src2), imm:$cc)),
+ (COPY_TO_REGCLASS (VPCMPDZrri
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm)),
+ imm:$cc), VK8)>;
+def : Pat<(v8i1 (X86cmpmu (v8i32 VR256X:$src1), (v8i32 VR256X:$src2), imm:$cc)),
+ (COPY_TO_REGCLASS (VPCMPUDZrri
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src1, sub_ymm)),
+ (v16i32 (SUBREG_TO_REG (i32 0), VR256X:$src2, sub_ymm)),
+ imm:$cc), VK8)>;
+
// Mask register copy, including
// - copy between mask registers
// - load/store mask registers
@@ -949,4 +1137,18 @@ defm VMOVDQU32 : avx512_mov_int<0x6F, "vmovdqu32", VR512, VK16WM, memopv16i32, i
defm VMOVDQU64 : avx512_mov_int<0x6F, "vmovdqu64", VR512, VK8WM, memopv8i64, i512mem>,
EVEX_V512, VEX_W, EVEX_CD8<64, CD8VF>;
+let AddedComplexity = 20 in {
+def : Pat<(v16f32 (vselect VK16WM:$mask, (v16f32 VR512:$src1),
+ (v16f32 VR512:$src2))),
+ (VMOVUPSZrrk VR512:$src2, VK16WM:$mask, VR512:$src1)>;
+def : Pat<(v8f64 (vselect VK8WM:$mask, (v8f64 VR512:$src1),
+ (v8f64 VR512:$src2))),
+ (VMOVUPDZrrk VR512:$src2, VK8WM:$mask, VR512:$src1)>;
+def : Pat<(v16i32 (vselect VK16WM:$mask, (v16i32 VR512:$src1),
+ (v16i32 VR512:$src2))),
+ (VMOVDQU32rrk VR512:$src2, VK16WM:$mask, VR512:$src1)>;
+def : Pat<(v8i64 (vselect VK8WM:$mask, (v8i64 VR512:$src1),
+ (v8i64 VR512:$src2))),
+ (VMOVDQU64rrk VR512:$src2, VK8WM:$mask, VR512:$src1)>;
+}
diff --git a/lib/Target/X86/X86InstrFragmentsSIMD.td b/lib/Target/X86/X86InstrFragmentsSIMD.td
index 8587d38..3d6370f 100644
--- a/lib/Target/X86/X86InstrFragmentsSIMD.td
+++ b/lib/Target/X86/X86InstrFragmentsSIMD.td
@@ -118,6 +118,15 @@ def X86cmpp : SDNode<"X86ISD::CMPP", SDTX86VFCMP>;
def X86pcmpeq : SDNode<"X86ISD::PCMPEQ", SDTIntBinOp, [SDNPCommutative]>;
def X86pcmpgt : SDNode<"X86ISD::PCMPGT", SDTIntBinOp>;
+def X86IntCmpMask : SDTypeProfile<1, 2,
+ [SDTCisVec<0>, SDTCisSameAs<1, 2>, SDTCisInt<1>]>;
+def X86pcmpeqm : SDNode<"X86ISD::PCMPEQM", X86IntCmpMask, [SDNPCommutative]>;
+def X86pcmpgtm : SDNode<"X86ISD::PCMPGTM", X86IntCmpMask>;
+
+def X86CmpMaskCC : SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
+def X86cmpm : SDNode<"X86ISD::CMPM", X86CmpMaskCC>;
+def X86cmpmu : SDNode<"X86ISD::CMPMU", X86CmpMaskCC>;
+
def X86vshl : SDNode<"X86ISD::VSHL",
SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisVec<2>]>>;
diff --git a/test/CodeGen/X86/avx512-vec-cmp.ll b/test/CodeGen/X86/avx512-vec-cmp.ll
new file mode 100644
index 0000000..ee57af7
--- /dev/null
+++ b/test/CodeGen/X86/avx512-vec-cmp.ll
@@ -0,0 +1,113 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
+
+; CHECK-LABEL: test1
+; CHECK: vcmpleps
+; CHECK: vmovups
+; CHECK: ret
+define <16 x float> @test1(<16 x float> %x, <16 x float> %y) nounwind {
+ %mask = fcmp ole <16 x float> %x, %y
+ %max = select <16 x i1> %mask, <16 x float> %x, <16 x float> %y
+ ret <16 x float> %max
+}
+
+; CHECK-LABEL: test2
+; CHECK: vcmplepd
+; CHECK: vmovupd
+; CHECK: ret
+define <8 x double> @test2(<8 x double> %x, <8 x double> %y) nounwind {
+ %mask = fcmp ole <8 x double> %x, %y
+ %max = select <8 x i1> %mask, <8 x double> %x, <8 x double> %y
+ ret <8 x double> %max
+}
+
+; CHECK-LABEL: test3
+; CHECK: vpcmpeqd
+; CHECK: vmovdqu32
+; CHECK: ret
+define <16 x i32> @test3(<16 x i32> %x, <16 x i32> %y) nounwind {
+ %mask = icmp eq <16 x i32> %x, %y
+ %max = select <16 x i1> %mask, <16 x i32> %x, <16 x i32> %y
+ ret <16 x i32> %max
+}
+
+; CHECK-LABEL: @test4_unsigned
+; CHECK: vpcmpnltud
+; CHECK: vmovdqu32
+; CHECK: ret
+define <16 x i32> @test4_unsigned(<16 x i32> %x, <16 x i32> %y) nounwind {
+ %mask = icmp uge <16 x i32> %x, %y
+ %max = select <16 x i1> %mask, <16 x i32> %x, <16 x i32> %y
+ ret <16 x i32> %max
+}
+
+; CHECK-LABEL: test5
+; CHECK: vpcmpeqq {{.*}}%k1
+; CHECK: vmovdqu64 {{.*}}%k1
+; CHECK: ret
+define <8 x i64> @test5(<8 x i64> %x, <8 x i64> %y) nounwind {
+ %mask = icmp eq <8 x i64> %x, %y
+ %max = select <8 x i1> %mask, <8 x i64> %x, <8 x i64> %y
+ ret <8 x i64> %max
+}
+
+; CHECK-LABEL: test6_unsigned
+; CHECK: vpcmpnleuq {{.*}}%k1
+; CHECK: vmovdqu64 {{.*}}%k1
+; CHECK: ret
+define <8 x i64> @test6_unsigned(<8 x i64> %x, <8 x i64> %y) nounwind {
+ %mask = icmp ugt <8 x i64> %x, %y
+ %max = select <8 x i1> %mask, <8 x i64> %x, <8 x i64> %y
+ ret <8 x i64> %max
+}
+
+; CHECK-LABEL: test7
+; CHECK: xor
+; CHECK: vcmpltps
+; CHECK: vblendvps
+; CHECK: ret
+define <4 x float> @test7(<4 x float> %a, <4 x float> %b) {
+ %mask = fcmp olt <4 x float> %a, zeroinitializer
+ %c = select <4 x i1>%mask, <4 x float>%a, <4 x float>%b
+ ret <4 x float>%c
+}
+
+; CHECK-LABEL: test8
+; CHECK: xor
+; CHECK: vcmpltpd
+; CHECK: vblendvpd
+; CHECK: ret
+define <2 x double> @test8(<2 x double> %a, <2 x double> %b) {
+ %mask = fcmp olt <2 x double> %a, zeroinitializer
+ %c = select <2 x i1>%mask, <2 x double>%a, <2 x double>%b
+ ret <2 x double>%c
+}
+
+; CHECK-LABEL: test9
+; CHECK: vpcmpeqd
+; CHECK: vpblendmd
+; CHECK: ret
+define <8 x i32> @test9(<8 x i32> %x, <8 x i32> %y) nounwind {
+ %mask = icmp eq <8 x i32> %x, %y
+ %max = select <8 x i1> %mask, <8 x i32> %x, <8 x i32> %y
+ ret <8 x i32> %max
+}
+
+; CHECK-LABEL: test10
+; CHECK: vcmpeqps
+; CHECK: vblendmps
+; CHECK: ret
+define <8 x float> @test10(<8 x float> %x, <8 x float> %y) nounwind {
+ %mask = fcmp oeq <8 x float> %x, %y
+ %max = select <8 x i1> %mask, <8 x float> %x, <8 x float> %y
+ ret <8 x float> %max
+}
+
+; CHECK-LABEL: test11_unsigned
+; CHECK: vpcmpnleud %zmm
+; CHECK: vpblendmd %zmm
+; CHECK: ret
+define <8 x i32> @test11_unsigned(<8 x i32> %x, <8 x i32> %y) nounwind {
+ %mask = icmp ugt <8 x i32> %x, %y
+ %max = select <8 x i1> %mask, <8 x i32> %x, <8 x i32> %y
+ ret <8 x i32> %max
+}