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authorDerek Schuff <dschuff@chromium.org>2012-07-09 10:52:46 -0700
committerDerek Schuff <dschuff@chromium.org>2012-07-09 11:00:37 -0700
commit5dbcc7e0c9c12f4a4042fb4a226654aee927999c (patch)
treeb316a3370e9286cb4e6f81b2f9d8bd8b54ce5123 /lib/Target/ARM/ARMBaseRegisterInfo.cpp
parent86dc97be9ac3b4804528e087b04b4f4192cdee54 (diff)
LOCALMODs from hg 0b098ca44de7 against r158408 (hg 90a87d6bfe45)
(only non-new files; new files in git 4f429c8b) Change-Id: Ia39f818088485bd90e4d048db404f8d6ba5f836b
Diffstat (limited to 'lib/Target/ARM/ARMBaseRegisterInfo.cpp')
-rw-r--r--lib/Target/ARM/ARMBaseRegisterInfo.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 231bd26c54..533ed8834b 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -17,6 +17,7 @@
#include "ARMFrameLowering.h"
#include "ARMMachineFunctionInfo.h"
#include "ARMSubtarget.h"
+#include "ARMTargetMachine.h" // @LOCALMOD
#include "MCTargetDesc/ARMAddressingModes.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
@@ -60,14 +61,17 @@ ARMBaseRegisterInfo::ARMBaseRegisterInfo(const ARMBaseInstrInfo &tii,
BasePtr(ARM::R6) {
}
+extern cl::opt<bool> ReserveR9; // @LOCALMOD
const uint16_t*
ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
+ if (ReserveR9) return CSR_NaCl_SaveList; // @LOCALMOD
return (STI.isTargetIOS() && !STI.isAAPCS_ABI())
? CSR_iOS_SaveList : CSR_AAPCS_SaveList;
}
const uint32_t*
ARMBaseRegisterInfo::getCallPreservedMask(CallingConv::ID) const {
+ if (ReserveR9) return CSR_NaCl_RegMask; // @LOCALMOD
return (STI.isTargetIOS() && !STI.isAAPCS_ABI())
? CSR_iOS_RegMask : CSR_AAPCS_RegMask;
}
@@ -696,6 +700,13 @@ emitLoadConstPool(MachineBasicBlock &MBB,
unsigned DestReg, unsigned SubIdx, int Val,
ARMCC::CondCodes Pred,
unsigned PredReg, unsigned MIFlags) const {
+ // @LOCALMOD-START
+ // In the sfi case we do not want to use the load const pseudo instr.
+ // Sadly, the ARM backend is not very consistent about using this
+ // pseudo instr. and hence checking this is not sufficient.
+ // But, it should help detect some regressions early.
+ assert(!FlagSfiDisableCP && "unexpected call to emitLoadConstPool");
+ // @LOCALMOD-END
MachineFunction &MF = *MBB.getParent();
MachineConstantPool *ConstantPool = MF.getConstantPool();
const Constant *C =