//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
-CCState::CCState(CallingConv::ID CC, bool isVarArg, const TargetMachine &tm,
- SmallVector<CCValAssign, 16> &locs, LLVMContext &C)
- : CallingConv(CC), IsVarArg(isVarArg), TM(tm),
- TRI(*TM.getRegisterInfo()), Locs(locs), Context(C) {
+CCState::CCState(CallingConv::ID CC, bool isVarArg, MachineFunction &mf,
+ const TargetMachine &tm, SmallVectorImpl<CCValAssign> &locs,
+ LLVMContext &C)
+ : CallingConv(CC), IsVarArg(isVarArg), MF(mf), TM(tm),
+ TRI(*TM.getRegisterInfo()), Locs(locs), Context(C),
+ CallOrPrologue(Unknown) {
// No stack is used.
StackOffset = 0;
-
+
+ clearByValRegsInfo();
UsedRegs.resize((TRI.getNumRegs()+31)/32);
}
-// 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, EVT ValVT,
- EVT LocVT, CCValAssign::LocInfo LocInfo,
+// HandleByVal - Allocate space on the stack 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();
Size = MinSize;
if (MinAlign > (int)Align)
Align = MinAlign;
+ MF.getFrameInfo()->ensureMaxAlignment(Align);
+ TM.getTargetLowering()->HandleByVal(this, Size, Align);
unsigned Offset = AllocateStack(Size, Align);
-
addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
}
/// MarkAllocated - Mark a register and all of its aliases as allocated.
void CCState::MarkAllocated(unsigned Reg) {
- UsedRegs[Reg/32] |= 1 << (Reg&31);
-
- if (const unsigned *RegAliases = TRI.getAliasSet(Reg))
- for (; (Reg = *RegAliases); ++RegAliases)
- UsedRegs[Reg/32] |= 1 << (Reg&31);
+ for (MCRegAliasIterator AI(Reg, &TRI, true); AI.isValid(); ++AI)
+ UsedRegs[*AI/32] |= 1 << (*AI&31);
}
/// AnalyzeFormalArguments - Analyze an array of argument values,
unsigned NumArgs = Ins.size();
for (unsigned i = 0; i != NumArgs; ++i) {
- EVT ArgVT = Ins[i].VT;
+ MVT ArgVT = Ins[i].VT;
ISD::ArgFlagsTy ArgFlags = Ins[i].Flags;
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
#ifndef NDEBUG
dbgs() << "Formal argument #" << i << " has unhandled type "
- << ArgVT.getEVTString();
+ << EVT(ArgVT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
CCAssignFn Fn) {
// Determine which register each value should be copied into.
for (unsigned i = 0, e = Outs.size(); i != e; ++i) {
- EVT VT = Outs[i].VT;
+ MVT VT = Outs[i].VT;
ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this))
return false;
CCAssignFn Fn) {
// Determine which register each value should be copied into.
for (unsigned i = 0, e = Outs.size(); i != e; ++i) {
- EVT VT = Outs[i].VT;
+ MVT VT = Outs[i].VT;
ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this)) {
#ifndef NDEBUG
dbgs() << "Return operand #" << i << " has unhandled type "
- << VT.getEVTString();
+ << EVT(VT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
CCAssignFn Fn) {
unsigned NumOps = Outs.size();
for (unsigned i = 0; i != NumOps; ++i) {
- EVT ArgVT = Outs[i].VT;
+ MVT ArgVT = Outs[i].VT;
ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
#ifndef NDEBUG
dbgs() << "Call operand #" << i << " has unhandled type "
- << ArgVT.getEVTString();
+ << EVT(ArgVT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
/// AnalyzeCallOperands - Same as above except it takes vectors of types
/// and argument flags.
-void CCState::AnalyzeCallOperands(SmallVectorImpl<EVT> &ArgVTs,
+void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
SmallVectorImpl<ISD::ArgFlagsTy> &Flags,
CCAssignFn Fn) {
unsigned NumOps = ArgVTs.size();
for (unsigned i = 0; i != NumOps; ++i) {
- EVT ArgVT = ArgVTs[i];
+ MVT ArgVT = ArgVTs[i];
ISD::ArgFlagsTy ArgFlags = Flags[i];
if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
#ifndef NDEBUG
dbgs() << "Call operand #" << i << " has unhandled type "
- << ArgVT.getEVTString();
+ << EVT(ArgVT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
void CCState::AnalyzeCallResult(const SmallVectorImpl<ISD::InputArg> &Ins,
CCAssignFn Fn) {
for (unsigned i = 0, e = Ins.size(); i != e; ++i) {
- EVT VT = Ins[i].VT;
+ MVT VT = Ins[i].VT;
ISD::ArgFlagsTy Flags = Ins[i].Flags;
if (Fn(i, VT, VT, CCValAssign::Full, Flags, *this)) {
#ifndef NDEBUG
dbgs() << "Call result #" << i << " has unhandled type "
- << VT.getEVTString();
+ << EVT(VT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
/// AnalyzeCallResult - Same as above except it's specialized for calls which
/// produce a single value.
-void CCState::AnalyzeCallResult(EVT VT, CCAssignFn Fn) {
+void CCState::AnalyzeCallResult(MVT VT, CCAssignFn Fn) {
if (Fn(0, VT, VT, CCValAssign::Full, ISD::ArgFlagsTy(), *this)) {
#ifndef NDEBUG
dbgs() << "Call result has unhandled type "
- << VT.getEVTString();
+ << EVT(VT).getEVTString() << '\n';
#endif
llvm_unreachable(0);
}
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