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| author | Chris Lattner <sabre@nondot.org> | 2006-01-24 05:17:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-01-24 05:17:12 +0000 |
| commit | 6f33eaeb81aee9d4ed2287ba5f43be9d838c8e55 (patch) | |
| tree | d99640ab4955beeea93afb527358b4fec9fe069e /llvm/lib/Target/X86 | |
| parent | 7ecf56aec4e84683e2f775203d63496ca002fd8c (diff) | |
| download | bcm5719-llvm-6f33eaeb81aee9d4ed2287ba5f43be9d838c8e55.tar.gz bcm5719-llvm-6f33eaeb81aee9d4ed2287ba5f43be9d838c8e55.zip | |
Emit the copies out of call return registers *after* the ISD::CALLSEQ_END
node, fixing fastcc and the case where a function has a frame pointer due
to dynamic allocas.
llvm-svn: 25580
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 28 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 2 |
2 files changed, 23 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 857fdfe6e94..c83e6d058cc 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -521,6 +521,17 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy, Chain = DAG.getNode(X86ISD::CALL, NodeTys, Ops); SDOperand InFlag = Chain.getValue(1); + NodeTys.clear(); + NodeTys.push_back(MVT::Other); // Returns a chain + NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use. + Ops.clear(); + Ops.push_back(Chain); + Ops.push_back(DAG.getConstant(NumBytes, getPointerTy())); + Ops.push_back(DAG.getConstant(0, getPointerTy())); + Ops.push_back(InFlag); + Chain = DAG.getNode(ISD::CALLSEQ_END, NodeTys, Ops); + InFlag = Chain.getValue(1); + SDOperand RetVal; if (RetTyVT != MVT::isVoid) { switch (RetTyVT) { @@ -591,9 +602,6 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy, } } - Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain, - DAG.getConstant(NumBytes, getPointerTy()), - DAG.getConstant(0, getPointerTy())); return std::make_pair(RetVal, Chain); } else { std::vector<SDOperand> Ops; @@ -1049,6 +1057,17 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy, Chain = DAG.getNode(X86ISD::CALL, NodeTys, Ops); InFlag = Chain.getValue(1); + NodeTys.clear(); + NodeTys.push_back(MVT::Other); // Returns a chain + NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use. + Ops.clear(); + Ops.push_back(Chain); + Ops.push_back(DAG.getConstant(ArgOffset, getPointerTy())); + Ops.push_back(DAG.getConstant(ArgOffset, getPointerTy())); + Ops.push_back(InFlag); + Chain = DAG.getNode(ISD::CALLSEQ_END, NodeTys, Ops); + InFlag = Chain.getValue(1); + SDOperand RetVal; if (RetTyVT != MVT::isVoid) { switch (RetTyVT) { @@ -1119,9 +1138,6 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy, } } - Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain, - DAG.getConstant(ArgOffset, getPointerTy()), - DAG.getConstant(ArgOffset, getPointerTy())); return std::make_pair(RetVal, Chain); } else { std::vector<SDOperand> Ops; diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 04f8f16e15d..aa149fcf252 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -88,7 +88,7 @@ def X86callseq_start : [SDNPHasChain]>; def X86callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd, - [SDNPHasChain]>; + [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>; def X86call : SDNode<"X86ISD::CALL", SDT_X86Call, [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>; |
