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-rw-r--r--contrib/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp46
1 files changed, 17 insertions, 29 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp b/contrib/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
index ff8d3c5..db9b30e 100644
--- a/contrib/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
+++ b/contrib/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp
@@ -14,14 +14,14 @@
#include "SparcRegisterInfo.h"
#include "Sparc.h"
#include "SparcSubtarget.h"
-#include "llvm/Type.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/ADT/BitVector.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/IR/Type.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/STLExtras.h"
#define GET_REGINFO_TARGET_DESC
#include "SparcGenRegisterInfo.inc"
@@ -56,45 +56,33 @@ BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
return Reserved;
}
-void SparcRegisterInfo::
-eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const {
- MachineInstr &MI = *I;
- DebugLoc dl = MI.getDebugLoc();
- int Size = MI.getOperand(0).getImm();
- if (MI.getOpcode() == SP::ADJCALLSTACKDOWN)
- Size = -Size;
- if (Size)
- BuildMI(MBB, I, dl, TII.get(SP::ADDri), SP::O6).addReg(SP::O6).addImm(Size);
- MBB.erase(I);
+const TargetRegisterClass*
+SparcRegisterInfo::getPointerRegClass(const MachineFunction &MF,
+ unsigned Kind) const {
+ return Subtarget.is64Bit() ? &SP::I64RegsRegClass : &SP::IntRegsRegClass;
}
void
SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
- int SPAdj, RegScavenger *RS) const {
+ int SPAdj, unsigned FIOperandNum,
+ RegScavenger *RS) const {
assert(SPAdj == 0 && "Unexpected");
- unsigned i = 0;
MachineInstr &MI = *II;
DebugLoc dl = MI.getDebugLoc();
- while (!MI.getOperand(i).isFI()) {
- ++i;
- assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
- }
-
- int FrameIndex = MI.getOperand(i).getIndex();
+ int FrameIndex = MI.getOperand(FIOperandNum).getIndex();
// Addressable stack objects are accessed using neg. offsets from %fp
MachineFunction &MF = *MI.getParent()->getParent();
int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex) +
- MI.getOperand(i+1).getImm();
+ MI.getOperand(FIOperandNum + 1).getImm();
// Replace frame index with a frame pointer reference.
if (Offset >= -4096 && Offset <= 4095) {
// If the offset is small enough to fit in the immediate field, directly
// encode it.
- MI.getOperand(i).ChangeToRegister(SP::I6, false);
- MI.getOperand(i+1).ChangeToImmediate(Offset);
+ MI.getOperand(FIOperandNum).ChangeToRegister(SP::I6, false);
+ MI.getOperand(FIOperandNum + 1).ChangeToImmediate(Offset);
} else {
// Otherwise, emit a G1 = SETHI %hi(offset). FIXME: it would be better to
// scavenge a register here instead of reserving G1 all of the time.
@@ -104,8 +92,8 @@ SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
BuildMI(*MI.getParent(), II, dl, TII.get(SP::ADDrr), SP::G1).addReg(SP::G1)
.addReg(SP::I6);
// Insert: G1+%lo(offset) into the user.
- MI.getOperand(i).ChangeToRegister(SP::G1, false);
- MI.getOperand(i+1).ChangeToImmediate(Offset & ((1 << 10)-1));
+ MI.getOperand(FIOperandNum).ChangeToRegister(SP::G1, false);
+ MI.getOperand(FIOperandNum + 1).ChangeToImmediate(Offset & ((1 << 10)-1));
}
}
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