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-rw-r--r--llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp9
1 files changed, 0 insertions, 9 deletions
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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