//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CallingConvLower.h"
+#include "llvm/CodeGen/MachineFrameInfo.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/TargetMachine.h"
+#include "llvm/Target/TargetLowering.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, SmallVector<CCValAssign, 16> &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;
-
+
+ clearFirstByValReg();
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.
+// 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,
Size = MinSize;
if (MinAlign > (int)Align)
Align = MinAlign;
+ if (MF.getFrameInfo()->getMaxAlignment() < Align)
+ MF.getFrameInfo()->setMaxAlignment(Align);
+ TM.getTargetLowering()->HandleByVal(this, Size);
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 (const unsigned *Alias = TRI.getOverlaps(Reg);
+ unsigned Reg = *Alias; ++Alias)
+ UsedRegs[Reg/32] |= 1 << (Reg&31);
}
/// AnalyzeFormalArguments - Analyze an array of argument values,
if (Fn(i, VT, VT, CCValAssign::Full, Flags, *this)) {
#ifndef NDEBUG
dbgs() << "Call result #" << i << " has unhandled type "
- << EVT(VT).getEVTString();
+ << EVT(VT).getEVTString() << "\n";
#endif
llvm_unreachable(0);
}