//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
-#include "llvm/CodeGen/SelectionDAGNodes.h"
-#include "llvm/Target/MRegisterInfo.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
CCState::CCState(unsigned CC, bool isVarArg, const TargetMachine &tm,
SmallVector<CCValAssign, 16> &locs)
: CallingConv(CC), IsVarArg(isVarArg), TM(tm),
- MRI(*TM.getRegisterInfo()), Locs(locs) {
+ TRI(*TM.getRegisterInfo()), Locs(locs) {
// No stack is used.
StackOffset = 0;
- UsedRegs.resize(MRI.getNumRegs());
+ UsedRegs.resize((TRI.getNumRegs()+31)/32);
}
-void CCState::HandleStruct(unsigned ValNo, MVT::ValueType ValVT,
- MVT::ValueType LocVT, CCValAssign::LocInfo LocInfo,
- unsigned ArgFlags) {
- unsigned Align = 1 << ((ArgFlags & ISD::ParamFlags::ByValAlign) >>
- ISD::ParamFlags::ByValAlignOffs);
- unsigned Size = (ArgFlags & ISD::ParamFlags::ByValSize) >>
- ISD::ParamFlags::ByValSizeOffs;
+// HandleByVal - Allocate a stack slot large enough to pass an argument by
+// value. The size and alignment information of the argument is encoded in its
+// parameter attribute.
+void CCState::HandleByVal(unsigned ValNo, MVT ValVT,
+ MVT LocVT, CCValAssign::LocInfo LocInfo,
+ int MinSize, int MinAlign,
+ ISD::ArgFlagsTy ArgFlags) {
+ unsigned Align = ArgFlags.getByValAlign();
+ unsigned Size = ArgFlags.getByValSize();
+ if (MinSize > (int)Size)
+ Size = MinSize;
+ if (MinAlign > (int)Align)
+ Align = MinAlign;
unsigned Offset = AllocateStack(Size, Align);
addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
void CCState::MarkAllocated(unsigned Reg) {
UsedRegs[Reg/32] |= 1 << (Reg&31);
- if (const unsigned *RegAliases = MRI.getAliasSet(Reg))
+ if (const unsigned *RegAliases = TRI.getAliasSet(Reg))
for (; (Reg = *RegAliases); ++RegAliases)
UsedRegs[Reg/32] |= 1 << (Reg&31);
}
unsigned NumArgs = TheArgs->getNumValues()-1;
for (unsigned i = 0; i != NumArgs; ++i) {
- MVT::ValueType ArgVT = TheArgs->getValueType(i);
- SDOperand FlagOp = TheArgs->getOperand(3+i);
- unsigned ArgFlags = cast<ConstantSDNode>(FlagOp)->getValue();
+ MVT ArgVT = TheArgs->getValueType(i);
+ ISD::ArgFlagsTy ArgFlags =
+ cast<ARG_FLAGSSDNode>(TheArgs->getOperand(3+i))->getArgFlags();
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
cerr << "Formal argument #" << i << " has unhandled type "
- << MVT::getValueTypeString(ArgVT) << "\n";
+ << ArgVT.getMVTString() << "\n";
abort();
}
}
void CCState::AnalyzeReturn(SDNode *TheRet, CCAssignFn Fn) {
// Determine which register each value should be copied into.
for (unsigned i = 0, e = TheRet->getNumOperands() / 2; i != e; ++i) {
- MVT::ValueType VT = TheRet->getOperand(i*2+1).getValueType();
- if (Fn(i, VT, VT, CCValAssign::Full,
- cast<ConstantSDNode>(TheRet->getOperand(i*2+2))->getValue(), *this)){
+ MVT VT = TheRet->getOperand(i*2+1).getValueType();
+ ISD::ArgFlagsTy ArgFlags =
+ cast<ARG_FLAGSSDNode>(TheRet->getOperand(i*2+2))->getArgFlags();
+ if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this)){
cerr << "Return operand #" << i << " has unhandled type "
- << MVT::getValueTypeString(VT) << "\n";
+ << VT.getMVTString() << "\n";
abort();
}
}
void CCState::AnalyzeCallOperands(SDNode *TheCall, CCAssignFn Fn) {
unsigned NumOps = (TheCall->getNumOperands() - 5) / 2;
for (unsigned i = 0; i != NumOps; ++i) {
- MVT::ValueType ArgVT = TheCall->getOperand(5+2*i).getValueType();
- SDOperand FlagOp = TheCall->getOperand(5+2*i+1);
- unsigned ArgFlags =cast<ConstantSDNode>(FlagOp)->getValue();
+ MVT ArgVT = TheCall->getOperand(5+2*i).getValueType();
+ ISD::ArgFlagsTy ArgFlags =
+ cast<ARG_FLAGSSDNode>(TheCall->getOperand(5+2*i+1))->getArgFlags();
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
cerr << "Call operand #" << i << " has unhandled type "
- << MVT::getValueTypeString(ArgVT) << "\n";
+ << ArgVT.getMVTString() << "\n";
+ abort();
+ }
+ }
+}
+
+/// AnalyzeCallOperands - Same as above except it takes vectors of types
+/// and argument flags.
+void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
+ SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
+ CCAssignFn Fn) {
+ unsigned NumOps = ArgVTs.size();
+ for (unsigned i = 0; i != NumOps; ++i) {
+ MVT ArgVT = ArgVTs[i];
+ ISD::ArgFlagsTy ArgFlags = Flags[i];
+ if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
+ cerr << "Call operand #" << i << " has unhandled type "
+ << ArgVT.getMVTString() << "\n";
abort();
}
}
/// incorporating info about the passed values into this state.
void CCState::AnalyzeCallResult(SDNode *TheCall, CCAssignFn Fn) {
for (unsigned i = 0, e = TheCall->getNumValues() - 1; i != e; ++i) {
- MVT::ValueType VT = TheCall->getValueType(i);
- if (Fn(i, VT, VT, CCValAssign::Full, 0, *this)) {
+ MVT VT = TheCall->getValueType(i);
+ if (Fn(i, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
cerr << "Call result #" << i << " has unhandled type "
- << MVT::getValueTypeString(VT) << "\n";
+ << VT.getMVTString() << "\n";
abort();
}
}
}
+
+/// AnalyzeCallResult - Same as above except it's specialized for calls which
+/// produce a single value.
+void CCState::AnalyzeCallResult(MVT VT, CCAssignFn Fn) {
+ if (Fn(0, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
+ cerr << "Call result has unhandled type "
+ << VT.getMVTString() << "\n";
+ abort();
+ }
+}