def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
-
+def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
+ [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
[SDNPInGlue]>;
def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
AssemblerPredicate<"HasV6Ops", "armv6">;
def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
+def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
+ AssemblerPredicate<"HasV6MOps",
+ "armv6m or armv6t2">;
def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
let Inst{27-0} = 0b0001101000001111000000001110;
}
+
+ // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
+ // the user-space one).
+ def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
+ 4, IIC_Br,
+ [(ARMintretflag imm:$offset)]>;
}
// Indirect branches
// 'it' blocks in ARM mode just validate the predicates. The IT itself
// is discarded.
-def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;
+def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
+ ComplexDeprecationPredicate<"IT">;