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authorrdivacky <rdivacky@FreeBSD.org>2009-10-14 17:57:32 +0000
committerrdivacky <rdivacky@FreeBSD.org>2009-10-14 17:57:32 +0000
commitcd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch)
treeb21f6de4e08b89bb7931806bab798fc2a5e3a686 /lib/Target/Mips/MipsRegisterInfo.cpp
parent72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff)
downloadFreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip
FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz
Update llvm to r84119.
Diffstat (limited to 'lib/Target/Mips/MipsRegisterInfo.cpp')
-rw-r--r--lib/Target/Mips/MipsRegisterInfo.cpp45
1 files changed, 20 insertions, 25 deletions
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index 579d4db..d2289e9 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -31,6 +31,8 @@
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/STLExtras.h"
@@ -79,12 +81,12 @@ getRegisterNumbering(unsigned RegEnum)
case Mips::SP : case Mips::F29: return 29;
case Mips::FP : case Mips::F30: case Mips::D15: return 30;
case Mips::RA : case Mips::F31: return 31;
- default: assert(0 && "Unknown register number!");
+ default: llvm_unreachable("Unknown register number!");
}
return 0; // Not reached
}
-unsigned MipsRegisterInfo::getPICCallReg(void) { return Mips::T9; }
+unsigned MipsRegisterInfo::getPICCallReg() { return Mips::T9; }
//===----------------------------------------------------------------------===//
// Callee Saved Registers methods
@@ -210,7 +212,7 @@ getReservedRegs(const MachineFunction &MF) const
// The emitted instruction will be something like:
// lw REGX, 16+StackSize(SP)
//
-// Since the total stack size is unknown on LowerFORMAL_ARGUMENTS, all
+// Since the total stack size is unknown on LowerFormalArguments, all
// stack references (ObjectOffset) created to reference the function
// arguments, are negative numbers. This way, on eliminateFrameIndex it's
// possible to detect those references and the offsets are adjusted to
@@ -232,7 +234,7 @@ void MipsRegisterInfo::adjustMipsStackFrame(MachineFunction &MF) const
int TopCPUSavedRegOff = -1, TopFPUSavedRegOff = -1;
// Replace the dummy '0' SPOffset by the negative offsets, as explained on
- // LowerFORMAL_ARGUMENTS. Leaving '0' for while is necessary to avoid
+ // LowerFormalArguments. Leaving '0' for while is necessary to avoid
// the approach done by calculateFrameObjectOffsets to the stack frame.
MipsFI->adjustLoadArgsFI(MFI);
MipsFI->adjustStoreVarArgsFI(MFI);
@@ -346,9 +348,9 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
// FrameIndex represent objects inside a abstract stack.
// We must replace FrameIndex with an stack/frame pointer
// direct reference.
-void MipsRegisterInfo::
-eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
- RegScavenger *RS) const
+unsigned MipsRegisterInfo::
+eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
+ int *Value, RegScavenger *RS) const
{
MachineInstr &MI = *II;
MachineFunction &MF = *MI.getParent()->getParent();
@@ -360,34 +362,27 @@ eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
"Instr doesn't have FrameIndex operand!");
}
- #ifndef NDEBUG
- DOUT << "\nFunction : " << MF.getFunction()->getName() << "\n";
- DOUT << "<--------->\n";
- MI.print(DOUT);
- #endif
+ DEBUG(errs() << "\nFunction : " << MF.getFunction()->getName() << "\n";
+ errs() << "<--------->\n" << MI);
int FrameIndex = MI.getOperand(i).getIndex();
int stackSize = MF.getFrameInfo()->getStackSize();
int spOffset = MF.getFrameInfo()->getObjectOffset(FrameIndex);
- #ifndef NDEBUG
- DOUT << "FrameIndex : " << FrameIndex << "\n";
- DOUT << "spOffset : " << spOffset << "\n";
- DOUT << "stackSize : " << stackSize << "\n";
- #endif
+ DEBUG(errs() << "FrameIndex : " << FrameIndex << "\n"
+ << "spOffset : " << spOffset << "\n"
+ << "stackSize : " << stackSize << "\n");
- // as explained on LowerFORMAL_ARGUMENTS, detect negative offsets
+ // as explained on LowerFormalArguments, detect negative offsets
// and adjust SPOffsets considering the final stack size.
int Offset = ((spOffset < 0) ? (stackSize + (-(spOffset+4))) : (spOffset));
Offset += MI.getOperand(i-1).getImm();
- #ifndef NDEBUG
- DOUT << "Offset : " << Offset << "\n";
- DOUT << "<--------->\n";
- #endif
+ DEBUG(errs() << "Offset : " << Offset << "\n" << "<--------->\n");
MI.getOperand(i-1).ChangeToImmediate(Offset);
MI.getOperand(i).ChangeToRegister(getFrameRegister(MF), false);
+ return 0;
}
void MipsRegisterInfo::
@@ -515,19 +510,19 @@ getFrameRegister(MachineFunction &MF) const {
unsigned MipsRegisterInfo::
getEHExceptionRegister() const {
- assert(0 && "What is the exception register");
+ llvm_unreachable("What is the exception register");
return 0;
}
unsigned MipsRegisterInfo::
getEHHandlerRegister() const {
- assert(0 && "What is the exception handler register");
+ llvm_unreachable("What is the exception handler register");
return 0;
}
int MipsRegisterInfo::
getDwarfRegNum(unsigned RegNum, bool isEH) const {
- assert(0 && "What is the dwarf register number");
+ llvm_unreachable("What is the dwarf register number");
return -1;
}
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