Differential D22913 Diff 66001 head/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCISelLowering.cpp

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head/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCISelLowering.cpp

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Show First 20 Lines • Show All 4,946 Lines • ▼ Show 20 Lines	PrepareCall(SelectionDAG &DAG, SDValue &Callee, SDValue &InFlag, SDValue &Chain,
// we're building with the leopard linker or later, which automatically		// we're building with the leopard linker or later, which automatically
// synthesizes these stubs.		// synthesizes these stubs.
const TargetMachine &TM = DAG.getTarget();		const TargetMachine &TM = DAG.getTarget();
const Module *Mod = DAG.getMachineFunction().getFunction().getParent();		const Module *Mod = DAG.getMachineFunction().getFunction().getParent();
const GlobalValue *GV = nullptr;		const GlobalValue *GV = nullptr;
if (auto *G = dyn_cast<GlobalAddressSDNode>(Callee))		if (auto *G = dyn_cast<GlobalAddressSDNode>(Callee))
GV = G->getGlobal();		GV = G->getGlobal();
bool Local = TM.shouldAssumeDSOLocal(*Mod, GV);		bool Local = TM.shouldAssumeDSOLocal(*Mod, GV);
bool UsePlt = !Local && Subtarget.isTargetELF() && !isPPC64;		// The PLT is only used in 32-bit ELF PIC mode. Attempting to use the PLT in
		// a static relocation model causes some versions of GNU LD (2.17.50, at
		// least) to force BSS-PLT, instead of secure-PLT, even if all objects are
		// built with secure-PLT.
		bool UsePlt = !Local && Subtarget.isTargetELF() && !isPPC64 &&
		Subtarget.getTargetMachine().getRelocationModel() == Reloc::PIC_;

// If the callee is a GlobalAddress/ExternalSymbol node (quite common,		// If the callee is a GlobalAddress/ExternalSymbol node (quite common,
// every direct call is) turn it into a TargetGlobalAddress /		// every direct call is) turn it into a TargetGlobalAddress /
// TargetExternalSymbol node so that legalize doesn't hack it.		// TargetExternalSymbol node so that legalize doesn't hack it.
if (isFunctionGlobalAddress(Callee)) {		if (isFunctionGlobalAddress(Callee)) {
GlobalAddressSDNode *G = cast<GlobalAddressSDNode>(Callee);		GlobalAddressSDNode *G = cast<GlobalAddressSDNode>(Callee);

// A call to a TLS address is actually an indirect call to a		// A call to a TLS address is actually an indirect call to a
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