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-rw-r--r--llvm/lib/Target/ARM/ARMMachineFunctionInfo.h12
-rw-r--r--llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp9
2 files changed, 2 insertions, 19 deletions
diff --git a/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h b/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h
index 7ae287d56b3..2176b2735a2 100644
--- a/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h
+++ b/llvm/lib/Target/ARM/ARMMachineFunctionInfo.h
@@ -52,10 +52,6 @@ class ARMFunctionInfo : public MachineFunctionInfo {
/// enable far jump.
bool LRSpilledForFarJump;
- /// R3IsLiveIn - True if R3 is live in to this function.
- /// FIXME: Remove when register scavenger for Thumb is done.
- bool R3IsLiveIn;
-
/// FramePtrSpillOffset - If HasStackFrame, this records the frame pointer
/// spill stack offset.
unsigned FramePtrSpillOffset;
@@ -100,7 +96,7 @@ public:
hasThumb2(false),
Align(2U),
VarArgsRegSaveSize(0), HasStackFrame(false),
- LRSpilledForFarJump(false), R3IsLiveIn(false),
+ LRSpilledForFarJump(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(0), GPRCS2Frames(0), DPRCSFrames(0),
@@ -111,7 +107,7 @@ public:
hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()),
Align(isThumb ? 1U : 2U),
VarArgsRegSaveSize(0), HasStackFrame(false),
- LRSpilledForFarJump(false), R3IsLiveIn(false),
+ LRSpilledForFarJump(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(32), GPRCS2Frames(32), DPRCSFrames(32),
@@ -134,10 +130,6 @@ public:
bool isLRSpilledForFarJump() const { return LRSpilledForFarJump; }
void setLRIsSpilledForFarJump(bool s) { LRSpilledForFarJump = s; }
- // FIXME: Remove when register scavenger for Thumb is done.
- bool isR3LiveIn() const { return R3IsLiveIn; }
- void setR3IsLiveIn(bool l) { R3IsLiveIn = l; }
-
unsigned getFramePtrSpillOffset() const { return FramePtrSpillOffset; }
void setFramePtrSpillOffset(unsigned o) { FramePtrSpillOffset = o; }
diff --git a/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp b/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
index c8a0b15c572..3c896da4c0c 100644
--- a/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -671,15 +671,6 @@ void Thumb1RegisterInfo::emitPrologue(MachineFunction &MF) const {
DebugLoc dl = (MBBI != MBB.end() ?
MBBI->getDebugLoc() : DebugLoc::getUnknownLoc());
- // Check if R3 is live in. It might have to be used as a scratch register.
- for (MachineRegisterInfo::livein_iterator I =MF.getRegInfo().livein_begin(),
- E = MF.getRegInfo().livein_end(); I != E; ++I) {
- if (I->first == ARM::R3) {
- AFI->setR3IsLiveIn(true);
- break;
- }
- }
-
// Thumb add/sub sp, imm8 instructions implicitly multiply the offset by 4.
NumBytes = (NumBytes + 3) & ~3;
MFI->setStackSize(NumBytes);
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