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When lowering direct calls, lower them to use a targetglobaladress directly

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instead of a globaladdress.  This has no effect on the generated code at all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24386 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-11-17 05:56:14 +00:00
parent b9debbf54c
commit 2823b3e70e
2 changed files with 6 additions and 2 deletions
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3
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
View File

@ -753,8 +753,7 @@ SDOperand PPCDAGToDAGISel::SelectCALL(SDOperand Op) {
if (GlobalAddressSDNode *GASD = if (GlobalAddressSDNode *GASD =
dyn_cast<GlobalAddressSDNode>(N->getOperand(1))) { dyn_cast<GlobalAddressSDNode>(N->getOperand(1))) {
CallOpcode = PPC::BL; CallOpcode = PPC::BL;
CallOperands.push_back(CurDAG->getTargetGlobalAddress(GASD->getGlobal(), CallOperands.push_back(N->getOperand(1));
MVT::i32));
} else if (ExternalSymbolSDNode *ESSDN = } else if (ExternalSymbolSDNode *ESSDN =
dyn_cast<ExternalSymbolSDNode>(N->getOperand(1))) { dyn_cast<ExternalSymbolSDNode>(N->getOperand(1))) {
CallOpcode = PPC::BL; CallOpcode = PPC::BL;

5
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -691,6 +691,11 @@ PPCTargetLowering::LowerCallTo(SDOperand Chain,
RetVals.push_back(ActualRetTyVT); RetVals.push_back(ActualRetTyVT);
RetVals.push_back(MVT::Other); RetVals.push_back(MVT::Other);
// If the callee is a GlobalAddress node (quite common, every direct call is)
// turn it into a TargetGlobalAddress node so that legalize doesn't hack it.
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), MVT::i32);
SDOperand TheCall = SDOperand(DAG.getCall(RetVals, SDOperand TheCall = SDOperand(DAG.getCall(RetVals,
Chain, Callee, args_to_use), 0); Chain, Callee, args_to_use), 0);
Chain = TheCall.getValue(RetTyVT != MVT::isVoid); Chain = TheCall.getValue(RetTyVT != MVT::isVoid);