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For PR1207:

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Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-02-19 03:20:00 +00:00
parent d81b065950
commit a284cbf667
23 changed files with 104 additions and 333 deletions
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15
lib/Target/ARM/ARMRegisterInfo.cpp
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@@ -28,7 +28,6 @@
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/STLExtras.h"
#include <algorithm>
@@ -298,20 +297,6 @@ ARMRegisterInfo::getCalleeSavedRegClasses() const {
return CalleeSavedRegClasses;
}
BitVector ARMRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
BitVector Reserved(getNumRegs());
Reserved.set(ARM::SP);
if (STI.isTargetDarwin() || hasFP(MF))
Reserved.set(FramePtr);
// Some targets reserve R9.
if (STI.isR9Reserved())
Reserved.set(ARM::R9);
// At PEI time, if LR is used, it will be spilled upon entry.
if (MF.getUsedPhysregs() && !MF.isPhysRegUsed((unsigned)ARM::LR))
Reserved.set(ARM::LR);
return Reserved;
}
/// hasFP - Return true if the specified function should have a dedicated frame
/// pointer register. This is true if the function has variable sized allocas
/// or if frame pointer elimination is disabled.