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Diffstat (limited to 'lib/Target/ARM/ARMBaseRegisterInfo.cpp')
-rw-r--r--lib/Target/ARM/ARMBaseRegisterInfo.cpp18
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index f1625469085e..bc1218743684 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -38,11 +38,14 @@
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/CommandLine.h"
-using namespace llvm;
+namespace llvm {
cl::opt<bool>
ReuseFrameIndexVals("arm-reuse-frame-index-vals", cl::Hidden, cl::init(true),
cl::desc("Reuse repeated frame index values"));
+}
+
+using namespace llvm;
unsigned ARMBaseRegisterInfo::getRegisterNumbering(unsigned RegEnum,
bool *isSPVFP) {
@@ -478,7 +481,7 @@ ARMBaseRegisterInfo::UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
///
bool ARMBaseRegisterInfo::hasFP(const MachineFunction &MF) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
- return ((NoFramePointerElim && MFI->hasCalls())||
+ return ((DisableFramePointerElim(MF) && MFI->hasCalls())||
needsStackRealignment(MF) ||
MFI->hasVarSizedObjects() ||
MFI->isFrameAddressTaken());
@@ -506,7 +509,7 @@ needsStackRealignment(const MachineFunction &MF) const {
bool ARMBaseRegisterInfo::
cannotEliminateFrame(const MachineFunction &MF) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
- if (NoFramePointerElim && MFI->hasCalls())
+ if (DisableFramePointerElim(MF) && MFI->hasCalls())
return true;
return MFI->hasVarSizedObjects() || MFI->isFrameAddressTaken()
|| needsStackRealignment(MF);
@@ -1050,7 +1053,7 @@ emitLoadConstPool(MachineBasicBlock &MBB,
unsigned PredReg) const {
MachineFunction &MF = *MBB.getParent();
MachineConstantPool *ConstantPool = MF.getConstantPool();
- Constant *C =
+ const Constant *C =
ConstantInt::get(Type::getInt32Ty(MF.getFunction()->getContext()), Val);
unsigned Idx = ConstantPool->getConstantPoolIndex(C, 4);
@@ -1180,6 +1183,13 @@ ARMBaseRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
SPAdj = 0;
Offset += SPAdj;
+ // Special handling of dbg_value instructions.
+ if (MI.isDebugValue()) {
+ MI.getOperand(i). ChangeToRegister(FrameReg, false /*isDef*/);
+ MI.getOperand(i+1).ChangeToImmediate(Offset);
+ return 0;
+ }
+
// Modify MI as necessary to handle as much of 'Offset' as possible
bool Done = false;
if (!AFI->isThumbFunction())