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Hexagon: Remove global state.

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llvm-svn: 193499
This commit is contained in:
Benjamin Kramer 2013-10-27 11:16:09 +00:00
parent 66de6c5eec
commit 5ce5ed74af
1 changed files with 25 additions and 10 deletions
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35
lib/Target/Hexagon/HexagonISelLowering.cpp
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@ -43,7 +43,20 @@ static cl::opt<bool>
EmitJumpTables("hexagon-emit-jump-tables", cl::init(true), cl::Hidden,
cl::desc("Control jump table emission on Hexagon target"));
int NumNamedVarArgParams = -1;
namespace {
class HexagonCCState : public CCState {
int NumNamedVarArgParams;
public:
HexagonCCState(CallingConv::ID CC, bool isVarArg, MachineFunction &MF,
const TargetMachine &TM, SmallVectorImpl<CCValAssign> &locs,
LLVMContext &C, int NumNamedVarArgParams)
: CCState(CC, isVarArg, MF, TM, locs, C),
NumNamedVarArgParams(NumNamedVarArgParams) {}
int getNumNamedVarArgParams() const { return NumNamedVarArgParams; }
};
}
// Implement calling convention for Hexagon.
static bool
@ -80,12 +93,13 @@ static bool
CC_Hexagon_VarArg (unsigned ValNo, MVT ValVT,
MVT LocVT, CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags, CCState &State) {
HexagonCCState &HState = static_cast<HexagonCCState &>(State);
// NumNamedVarArgParams can not be zero for a VarArg function.
assert ( (NumNamedVarArgParams > 0) &&
"NumNamedVarArgParams is not bigger than zero.");
assert((HState.getNumNamedVarArgParams() > 0) &&
"NumNamedVarArgParams is not bigger than zero.");
if ( (int)ValNo < NumNamedVarArgParams ) {
if ((int)ValNo < HState.getNumNamedVarArgParams()) {
// Deal with named arguments.
return CC_Hexagon(ValNo, ValVT, LocVT, LocInfo, ArgFlags, State);
}
@ -392,13 +406,8 @@ HexagonTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
bool IsStructRet = (Outs.empty()) ? false : Outs[0].Flags.isSRet();
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
getTargetMachine(), ArgLocs, *DAG.getContext());
// Check for varargs.
NumNamedVarArgParams = -1;
int NumNamedVarArgParams = -1;
if (GlobalAddressSDNode *GA = dyn_cast<GlobalAddressSDNode>(Callee))
{
const Function* CalleeFn = NULL;
@ -415,6 +424,12 @@ HexagonTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
}
}
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
HexagonCCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
getTargetMachine(), ArgLocs, *DAG.getContext(),
NumNamedVarArgParams);
if (NumNamedVarArgParams > 0)
CCInfo.AnalyzeCallOperands(Outs, CC_Hexagon_VarArg);
else