[ARM] Split predicates out into their own .td file.

[simon_tatham]

Summary

The new ARMPredicates.td is included from ARM.td, early enough that
the predicate definitions are already in scope when ARMSchedule.td is
included. This will make it possible to refer to them in
UnsupportedFeatures fields of scheduling models.

NFC: the chunk of Tablegen being moved here is copied and pasted
verbatim.

[t.p.northover]

This looks reasonable to me.

llvm/trunk/lib/Target/ARM/ARM.td

 def ARMv7k   : Architecture<"armv7k",      "ARMv7a",   [ARMv7a]>;
 def ARMv7s   : Architecture<"armv7s",      "ARMv7a",   [ARMv7a]>;
 
 
 //===----------------------------------------------------------------------===//
 // ARM schedules.
 //===----------------------------------------------------------------------===//
 //
+include "ARMPredicates.td"
 include "ARMSchedule.td"
 
 //===----------------------------------------------------------------------===//
 // ARM processors
 //
 
 // Dummy CPU, used to target architectures
 def : ProcessorModel<"generic",     CortexA8Model,      []>;

llvm/trunk/lib/Target/ARM/ARMInstrInfo.td

 def ARMsmulwb       : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
 def ARMsmulwt       : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
 def ARMsmlalbb      : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
 def ARMsmlalbt      : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
 def ARMsmlaltb      : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
 def ARMsmlaltt      : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
 
 //===----------------------------------------------------------------------===//
-// ARM Instruction Predicate Definitions.
-//
-def HasV4T           : Predicate<"Subtarget->hasV4TOps()">,
-                                 AssemblerPredicate<"HasV4TOps", "armv4t">;
-def NoV4T            : Predicate<"!Subtarget->hasV4TOps()">;
-def HasV5T           : Predicate<"Subtarget->hasV5TOps()">,
-                                 AssemblerPredicate<"HasV5TOps", "armv5t">;
-def NoV5T            : Predicate<"!Subtarget->hasV5TOps()">;
-def HasV5TE          : Predicate<"Subtarget->hasV5TEOps()">,
-                                 AssemblerPredicate<"HasV5TEOps", "armv5te">;
-def HasV6            : Predicate<"Subtarget->hasV6Ops()">,
-                                 AssemblerPredicate<"HasV6Ops", "armv6">;
-def NoV6             : Predicate<"!Subtarget->hasV6Ops()">;
-def HasV6M           : Predicate<"Subtarget->hasV6MOps()">,
-                                 AssemblerPredicate<"HasV6MOps",
-                                                    "armv6m or armv6t2">;
-def HasV8MBaseline   : Predicate<"Subtarget->hasV8MBaselineOps()">,
-                                 AssemblerPredicate<"HasV8MBaselineOps",
-                                                    "armv8m.base">;
-def HasV8MMainline   : Predicate<"Subtarget->hasV8MMainlineOps()">,
-                                 AssemblerPredicate<"HasV8MMainlineOps",
-                                                    "armv8m.main">;
-def HasV6T2          : Predicate<"Subtarget->hasV6T2Ops()">,
-                                 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
-def NoV6T2           : Predicate<"!Subtarget->hasV6T2Ops()">;
-def HasV6K           : Predicate<"Subtarget->hasV6KOps()">,
-                                 AssemblerPredicate<"HasV6KOps", "armv6k">;
-def NoV6K            : Predicate<"!Subtarget->hasV6KOps()">;
-def HasV7            : Predicate<"Subtarget->hasV7Ops()">,
-                                 AssemblerPredicate<"HasV7Ops", "armv7">;
-def HasV8            : Predicate<"Subtarget->hasV8Ops()">,
-                                 AssemblerPredicate<"HasV8Ops", "armv8">;
-def PreV8            : Predicate<"!Subtarget->hasV8Ops()">,
-                                 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
-def HasV8_1a         : Predicate<"Subtarget->hasV8_1aOps()">,
-                                 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
-def HasV8_2a         : Predicate<"Subtarget->hasV8_2aOps()">,
-                                 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
-def HasV8_3a         : Predicate<"Subtarget->hasV8_3aOps()">,
-                                 AssemblerPredicate<"HasV8_3aOps", "armv8.3a">;
-def HasV8_4a         : Predicate<"Subtarget->hasV8_4aOps()">,
-                                 AssemblerPredicate<"HasV8_4aOps", "armv8.4a">;
-def HasV8_5a         : Predicate<"Subtarget->hasV8_5aOps()">,
-                                 AssemblerPredicate<"HasV8_5aOps", "armv8.5a">;
-def NoVFP            : Predicate<"!Subtarget->hasVFP2Base()">;
-def HasVFP2          : Predicate<"Subtarget->hasVFP2Base()">,
-                                 AssemblerPredicate<"FeatureVFP2_D16_SP", "VFP2">;
-def HasVFP3          : Predicate<"Subtarget->hasVFP3Base()">,
-                                 AssemblerPredicate<"FeatureVFP3_D16_SP", "VFP3">;
-def HasVFP4          : Predicate<"Subtarget->hasVFP4Base()">,
-                                 AssemblerPredicate<"FeatureVFP4_D16_SP", "VFP4">;
-def HasDPVFP         : Predicate<"Subtarget->hasFP64()">,
-                                 AssemblerPredicate<"FeatureFP64",
-                                                    "double precision VFP">;
-def HasFPARMv8       : Predicate<"Subtarget->hasFPARMv8Base()">,
-                                 AssemblerPredicate<"FeatureFPARMv8_D16_SP", "FPARMv8">;
-def HasNEON          : Predicate<"Subtarget->hasNEON()">,
-                                 AssemblerPredicate<"FeatureNEON", "NEON">;
-def HasSHA2          : Predicate<"Subtarget->hasSHA2()">,
-                                 AssemblerPredicate<"FeatureSHA2", "sha2">;
-def HasAES           : Predicate<"Subtarget->hasAES()">,
-                                 AssemblerPredicate<"FeatureAES", "aes">;
-def HasCrypto        : Predicate<"Subtarget->hasCrypto()">,
-                                 AssemblerPredicate<"FeatureCrypto", "crypto">;
-def HasDotProd       : Predicate<"Subtarget->hasDotProd()">,
-                                 AssemblerPredicate<"FeatureDotProd", "dotprod">;
-def HasCRC           : Predicate<"Subtarget->hasCRC()">,
-                                 AssemblerPredicate<"FeatureCRC", "crc">;
-def HasRAS           : Predicate<"Subtarget->hasRAS()">,
-                                 AssemblerPredicate<"FeatureRAS", "ras">;
-def HasFP16          : Predicate<"Subtarget->hasFP16()">,
-                                 AssemblerPredicate<"FeatureFP16","half-float conversions">;
-def HasFullFP16      : Predicate<"Subtarget->hasFullFP16()">,
-                                 AssemblerPredicate<"FeatureFullFP16","full half-float">;
-def HasFP16FML       : Predicate<"Subtarget->hasFP16FML()">,
-                                 AssemblerPredicate<"FeatureFP16FML","full half-float fml">;
-def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
-                                 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
-def HasDivideInARM   : Predicate<"Subtarget->hasDivideInARMMode()">,
-                                 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
-def HasDSP           : Predicate<"Subtarget->hasDSP()">,
-                                 AssemblerPredicate<"FeatureDSP", "dsp">;
-def HasDB            : Predicate<"Subtarget->hasDataBarrier()">,
-                                 AssemblerPredicate<"FeatureDB",
-                                                    "data-barriers">;
-def HasDFB           : Predicate<"Subtarget->hasFullDataBarrier()">,
-                                 AssemblerPredicate<"FeatureDFB",
-                                                    "full-data-barrier">;
-def HasV7Clrex  : Predicate<"Subtarget->hasV7Clrex()">,
-                            AssemblerPredicate<"FeatureV7Clrex",
-                                               "v7 clrex">;
-def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
-                                  AssemblerPredicate<"FeatureAcquireRelease",
-                                                     "acquire/release">;
-def HasMP            : Predicate<"Subtarget->hasMPExtension()">,
-                                 AssemblerPredicate<"FeatureMP",
-                                                    "mp-extensions">;
-def HasVirtualization: Predicate<"false">,
-                                 AssemblerPredicate<"FeatureVirtualization",
-                                                   "virtualization-extensions">;
-def HasTrustZone     : Predicate<"Subtarget->hasTrustZone()">,
-                                 AssemblerPredicate<"FeatureTrustZone",
-                                                    "TrustZone">;
-def Has8MSecExt      : Predicate<"Subtarget->has8MSecExt()">,
-                                 AssemblerPredicate<"Feature8MSecExt",
-                                                    "ARMv8-M Security Extensions">;
-def HasZCZ           : Predicate<"Subtarget->hasZeroCycleZeroing()">;
-def UseNEONForFP     : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
-def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
-def IsThumb          : Predicate<"Subtarget->isThumb()">,
-                                 AssemblerPredicate<"ModeThumb", "thumb">;
-def IsThumb1Only     : Predicate<"Subtarget->isThumb1Only()">;
-def IsThumb2         : Predicate<"Subtarget->isThumb2()">,
-                                 AssemblerPredicate<"ModeThumb,FeatureThumb2",
-                                                    "thumb2">;
-def IsMClass         : Predicate<"Subtarget->isMClass()">,
-                                 AssemblerPredicate<"FeatureMClass", "armv*m">;
-def IsNotMClass      : Predicate<"!Subtarget->isMClass()">,
-                                 AssemblerPredicate<"!FeatureMClass",
-                                                    "!armv*m">;
-def IsARM            : Predicate<"!Subtarget->isThumb()">,
-                                 AssemblerPredicate<"!ModeThumb", "arm-mode">;
-def IsMachO          : Predicate<"Subtarget->isTargetMachO()">;
-def IsNotMachO       : Predicate<"!Subtarget->isTargetMachO()">;
-def IsNaCl           : Predicate<"Subtarget->isTargetNaCl()">;
-def IsWindows        : Predicate<"Subtarget->isTargetWindows()">;
-def IsNotWindows     : Predicate<"!Subtarget->isTargetWindows()">;
-def IsReadTPHard     : Predicate<"Subtarget->isReadTPHard()">;
-def IsReadTPSoft     : Predicate<"!Subtarget->isReadTPHard()">;
-def UseNaClTrap      : Predicate<"Subtarget->useNaClTrap()">,
-                                 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
-def DontUseNaClTrap  : Predicate<"!Subtarget->useNaClTrap()">;
-
-def UseNegativeImmediates :
-  Predicate<"false">,
-            AssemblerPredicate<"!FeatureNoNegativeImmediates",
-                               "NegativeImmediates">;
-
-// FIXME: Eventually this will be just "hasV6T2Ops".
-let RecomputePerFunction = 1 in {
-  def UseMovt          : Predicate<"Subtarget->useMovt()">;
-  def DontUseMovt      : Predicate<"!Subtarget->useMovt()">;
-  def UseMovtInPic     : Predicate<"Subtarget->useMovt() && Subtarget->allowPositionIndependentMovt()">;
-  def DontUseMovtInPic : Predicate<"!Subtarget->useMovt() || !Subtarget->allowPositionIndependentMovt()">;
-
-  def UseFPVMLx: Predicate<"((Subtarget->useFPVMLx() &&"
-                           "  TM.Options.AllowFPOpFusion != FPOpFusion::Fast) ||"
-                           "Subtarget->hasMinSize())">;
-}
-def UseMulOps        : Predicate<"Subtarget->useMulOps()">;
-
-// Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
-// But only select them if more precision in FP computation is allowed, and when
-// they are not slower than a mul + add sequence.
-// Do not use them for Darwin platforms.
-def UseFusedMAC      : Predicate<"(TM.Options.AllowFPOpFusion =="
-                                 " FPOpFusion::Fast && "
-                                 " Subtarget->hasVFP4Base()) && "
-                                 "!Subtarget->isTargetDarwin() &&"
-                                 "Subtarget->useFPVMLx()">;
-
-def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
-def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
-
-def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
-def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
-
-def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
-                          "!Subtarget->useNEONForSinglePrecisionFP()">;
-def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
-                              "Subtarget->useNEONForSinglePrecisionFP()">;
-
-let RecomputePerFunction = 1 in {
-  def IsLE             : Predicate<"MF->getDataLayout().isLittleEndian()">;
-  def IsBE             : Predicate<"MF->getDataLayout().isBigEndian()">;
-}
-
-def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
-
-// Armv8.5-A extensions
-def HasSB            : Predicate<"Subtarget->hasSB()">,
-                       AssemblerPredicate<"FeatureSB", "sb">;
-
-//===----------------------------------------------------------------------===//
 // ARM Flag Definitions.
 
 class RegConstraint<string C> {
   string Constraints = C;
 }
 
 //===----------------------------------------------------------------------===//
 //  ARM specific transformation functions and pattern fragments.

llvm/trunk/lib/Target/ARM/ARMPredicates.td

+//===-- ARMPredicates.td - ARM Instruction Predicates ------*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+def HasV4T           : Predicate<"Subtarget->hasV4TOps()">,
+                                 AssemblerPredicate<"HasV4TOps", "armv4t">;
+def NoV4T            : Predicate<"!Subtarget->hasV4TOps()">;
+def HasV5T           : Predicate<"Subtarget->hasV5TOps()">,
+                                 AssemblerPredicate<"HasV5TOps", "armv5t">;
+def NoV5T            : Predicate<"!Subtarget->hasV5TOps()">;
+def HasV5TE          : Predicate<"Subtarget->hasV5TEOps()">,
+                                 AssemblerPredicate<"HasV5TEOps", "armv5te">;
+def HasV6            : Predicate<"Subtarget->hasV6Ops()">,
+                                 AssemblerPredicate<"HasV6Ops", "armv6">;
+def NoV6             : Predicate<"!Subtarget->hasV6Ops()">;
+def HasV6M           : Predicate<"Subtarget->hasV6MOps()">,
+                                 AssemblerPredicate<"HasV6MOps",
+                                                    "armv6m or armv6t2">;
+def HasV8MBaseline   : Predicate<"Subtarget->hasV8MBaselineOps()">,
+                                 AssemblerPredicate<"HasV8MBaselineOps",
+                                                    "armv8m.base">;
+def HasV8MMainline   : Predicate<"Subtarget->hasV8MMainlineOps()">,
+                                 AssemblerPredicate<"HasV8MMainlineOps",
+                                                    "armv8m.main">;
+def HasV6T2          : Predicate<"Subtarget->hasV6T2Ops()">,
+                                 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
+def NoV6T2           : Predicate<"!Subtarget->hasV6T2Ops()">;
+def HasV6K           : Predicate<"Subtarget->hasV6KOps()">,
+                                 AssemblerPredicate<"HasV6KOps", "armv6k">;
+def NoV6K            : Predicate<"!Subtarget->hasV6KOps()">;
+def HasV7            : Predicate<"Subtarget->hasV7Ops()">,
+                                 AssemblerPredicate<"HasV7Ops", "armv7">;
+def HasV8            : Predicate<"Subtarget->hasV8Ops()">,
+                                 AssemblerPredicate<"HasV8Ops", "armv8">;
+def PreV8            : Predicate<"!Subtarget->hasV8Ops()">,
+                                 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
+def HasV8_1a         : Predicate<"Subtarget->hasV8_1aOps()">,
+                                 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
+def HasV8_2a         : Predicate<"Subtarget->hasV8_2aOps()">,
+                                 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
+def HasV8_3a         : Predicate<"Subtarget->hasV8_3aOps()">,
+                                 AssemblerPredicate<"HasV8_3aOps", "armv8.3a">;
+def HasV8_4a         : Predicate<"Subtarget->hasV8_4aOps()">,
+                                 AssemblerPredicate<"HasV8_4aOps", "armv8.4a">;
+def HasV8_5a         : Predicate<"Subtarget->hasV8_5aOps()">,
+                                 AssemblerPredicate<"HasV8_5aOps", "armv8.5a">;
+def NoVFP            : Predicate<"!Subtarget->hasVFP2Base()">;
+def HasVFP2          : Predicate<"Subtarget->hasVFP2Base()">,
+                                 AssemblerPredicate<"FeatureVFP2_D16_SP", "VFP2">;
+def HasVFP3          : Predicate<"Subtarget->hasVFP3Base()">,
+                                 AssemblerPredicate<"FeatureVFP3_D16_SP", "VFP3">;
+def HasVFP4          : Predicate<"Subtarget->hasVFP4Base()">,
+                                 AssemblerPredicate<"FeatureVFP4_D16_SP", "VFP4">;
+def HasDPVFP         : Predicate<"Subtarget->hasFP64()">,
+                                 AssemblerPredicate<"FeatureFP64",
+                                                    "double precision VFP">;
+def HasFPARMv8       : Predicate<"Subtarget->hasFPARMv8Base()">,
+                                 AssemblerPredicate<"FeatureFPARMv8_D16_SP", "FPARMv8">;
+def HasNEON          : Predicate<"Subtarget->hasNEON()">,
+                                 AssemblerPredicate<"FeatureNEON", "NEON">;
+def HasSHA2          : Predicate<"Subtarget->hasSHA2()">,
+                                 AssemblerPredicate<"FeatureSHA2", "sha2">;
+def HasAES           : Predicate<"Subtarget->hasAES()">,
+                                 AssemblerPredicate<"FeatureAES", "aes">;
+def HasCrypto        : Predicate<"Subtarget->hasCrypto()">,
+                                 AssemblerPredicate<"FeatureCrypto", "crypto">;
+def HasDotProd       : Predicate<"Subtarget->hasDotProd()">,
+                                 AssemblerPredicate<"FeatureDotProd", "dotprod">;
+def HasCRC           : Predicate<"Subtarget->hasCRC()">,
+                                 AssemblerPredicate<"FeatureCRC", "crc">;
+def HasRAS           : Predicate<"Subtarget->hasRAS()">,
+                                 AssemblerPredicate<"FeatureRAS", "ras">;
+def HasFP16          : Predicate<"Subtarget->hasFP16()">,
+                                 AssemblerPredicate<"FeatureFP16","half-float conversions">;
+def HasFullFP16      : Predicate<"Subtarget->hasFullFP16()">,
+                                 AssemblerPredicate<"FeatureFullFP16","full half-float">;
+def HasFP16FML       : Predicate<"Subtarget->hasFP16FML()">,
+                                 AssemblerPredicate<"FeatureFP16FML","full half-float fml">;
+def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
+                                 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
+def HasDivideInARM   : Predicate<"Subtarget->hasDivideInARMMode()">,
+                                 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
+def HasDSP           : Predicate<"Subtarget->hasDSP()">,
+                                 AssemblerPredicate<"FeatureDSP", "dsp">;
+def HasDB            : Predicate<"Subtarget->hasDataBarrier()">,
+                                 AssemblerPredicate<"FeatureDB",
+                                                    "data-barriers">;
+def HasDFB           : Predicate<"Subtarget->hasFullDataBarrier()">,
+                                 AssemblerPredicate<"FeatureDFB",
+                                                    "full-data-barrier">;
+def HasV7Clrex  : Predicate<"Subtarget->hasV7Clrex()">,
+                            AssemblerPredicate<"FeatureV7Clrex",
+                                               "v7 clrex">;
+def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
+                                  AssemblerPredicate<"FeatureAcquireRelease",
+                                                     "acquire/release">;
+def HasMP            : Predicate<"Subtarget->hasMPExtension()">,
+                                 AssemblerPredicate<"FeatureMP",
+                                                    "mp-extensions">;
+def HasVirtualization: Predicate<"false">,
+                                 AssemblerPredicate<"FeatureVirtualization",
+                                                   "virtualization-extensions">;
+def HasTrustZone     : Predicate<"Subtarget->hasTrustZone()">,
+                                 AssemblerPredicate<"FeatureTrustZone",
+                                                    "TrustZone">;
+def Has8MSecExt      : Predicate<"Subtarget->has8MSecExt()">,
+                                 AssemblerPredicate<"Feature8MSecExt",
+                                                    "ARMv8-M Security Extensions">;
+def HasZCZ           : Predicate<"Subtarget->hasZeroCycleZeroing()">;
+def UseNEONForFP     : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
+def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
+def IsThumb          : Predicate<"Subtarget->isThumb()">,
+                                 AssemblerPredicate<"ModeThumb", "thumb">;
+def IsThumb1Only     : Predicate<"Subtarget->isThumb1Only()">;
+def IsThumb2         : Predicate<"Subtarget->isThumb2()">,
+                                 AssemblerPredicate<"ModeThumb,FeatureThumb2",
+                                                    "thumb2">;
+def IsMClass         : Predicate<"Subtarget->isMClass()">,
+                                 AssemblerPredicate<"FeatureMClass", "armv*m">;
+def IsNotMClass      : Predicate<"!Subtarget->isMClass()">,
+                                 AssemblerPredicate<"!FeatureMClass",
+                                                    "!armv*m">;
+def IsARM            : Predicate<"!Subtarget->isThumb()">,
+                                 AssemblerPredicate<"!ModeThumb", "arm-mode">;
+def IsMachO          : Predicate<"Subtarget->isTargetMachO()">;
+def IsNotMachO       : Predicate<"!Subtarget->isTargetMachO()">;
+def IsNaCl           : Predicate<"Subtarget->isTargetNaCl()">;
+def IsWindows        : Predicate<"Subtarget->isTargetWindows()">;
+def IsNotWindows     : Predicate<"!Subtarget->isTargetWindows()">;
+def IsReadTPHard     : Predicate<"Subtarget->isReadTPHard()">;
+def IsReadTPSoft     : Predicate<"!Subtarget->isReadTPHard()">;
+def UseNaClTrap      : Predicate<"Subtarget->useNaClTrap()">,
+                                 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
+def DontUseNaClTrap  : Predicate<"!Subtarget->useNaClTrap()">;
+
+def UseNegativeImmediates :
+  Predicate<"false">,
+            AssemblerPredicate<"!FeatureNoNegativeImmediates",
+                               "NegativeImmediates">;
+
+// FIXME: Eventually this will be just "hasV6T2Ops".
+let RecomputePerFunction = 1 in {
+  def UseMovt          : Predicate<"Subtarget->useMovt()">;
+  def DontUseMovt      : Predicate<"!Subtarget->useMovt()">;
+  def UseMovtInPic     : Predicate<"Subtarget->useMovt() && Subtarget->allowPositionIndependentMovt()">;
+  def DontUseMovtInPic : Predicate<"!Subtarget->useMovt() || !Subtarget->allowPositionIndependentMovt()">;
+
+  def UseFPVMLx: Predicate<"((Subtarget->useFPVMLx() &&"
+                           "  TM.Options.AllowFPOpFusion != FPOpFusion::Fast) ||"
+                           "Subtarget->hasMinSize())">;
+}
+def UseMulOps        : Predicate<"Subtarget->useMulOps()">;
+
+// Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
+// But only select them if more precision in FP computation is allowed, and when
+// they are not slower than a mul + add sequence.
+// Do not use them for Darwin platforms.
+def UseFusedMAC      : Predicate<"(TM.Options.AllowFPOpFusion =="
+                                 " FPOpFusion::Fast && "
+                                 " Subtarget->hasVFP4Base()) && "
+                                 "!Subtarget->isTargetDarwin() &&"
+                                 "Subtarget->useFPVMLx()">;
+
+def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
+def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
+
+def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
+def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
+
+def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
+                          "!Subtarget->useNEONForSinglePrecisionFP()">;
+def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
+                              "Subtarget->useNEONForSinglePrecisionFP()">;
+
+let RecomputePerFunction = 1 in {
+  def IsLE             : Predicate<"MF->getDataLayout().isLittleEndian()">;
+  def IsBE             : Predicate<"MF->getDataLayout().isBigEndian()">;
+}
+
+def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
+
+// Armv8.5-A extensions
+def HasSB            : Predicate<"Subtarget->hasSB()">,
+                       AssemblerPredicate<"FeatureSB", "sb">;