diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrThumb.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb.td | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td index 18bcbda44580..7fae32117243 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb.td @@ -14,6 +14,10 @@ // Thumb specific DAG Nodes. // +def ARMtsecall : SDNode<"ARMISD::tSECALL", SDT_ARMcall, + [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue, + SDNPVariadic]>; + def imm_sr_XFORM: SDNodeXForm<imm, [{ unsigned Imm = N->getZExtValue(); return CurDAG->getTargetConstant((Imm == 32 ? 0 : Imm), SDLoc(N), MVT::i32); @@ -499,6 +503,10 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1 in { def tBX_RET : tPseudoExpand<(outs), (ins pred:$p), 2, IIC_Br, [(ARMretflag)], (tBX LR, pred:$p)>, Sched<[WriteBr]>; + // alternative return for CMSE entry functions + def tBXNS_RET : tPseudoInst<(outs), (ins), 2, IIC_Br, + [(ARMseretflag)]>, Sched<[WriteBr]>; + // Alternative return instruction used by vararg functions. def tBX_RET_vararg : tPseudoExpand<(outs), (ins tGPR:$Rm, pred:$p), 2, IIC_Br, [], @@ -560,6 +568,10 @@ let isCall = 1, let Unpredictable{1-0} = 0b11; } + def tBLXNS_CALL : PseudoInst<(outs), (ins GPRnopc:$func), IIC_Br, + [(ARMtsecall GPRnopc:$func)]>, + Requires<[IsThumb, Has8MSecExt]>, Sched<[WriteBr]>; + // ARMv4T def tBX_CALL : tPseudoInst<(outs), (ins tGPR:$func), 4, IIC_Br, @@ -1513,7 +1525,7 @@ def tTPsoft : tPseudoInst<(outs), (ins), 4, IIC_Br, // tromped upon when we get here from a longjmp(). We force everything out of // registers except for our own input by listing the relevant registers in // Defs. By doing so, we also cause the prologue/epilogue code to actively -// preserve all of the callee-saved resgisters, which is exactly what we want. +// preserve all of the callee-saved registers, which is exactly what we want. // $val is a scratch register for our use. let Defs = [ R0, R1, R2, R3, R4, R5, R6, R7, R12, CPSR ], hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1, |