diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMSubtarget.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMSubtarget.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h index f582a92f656..c5836a3eca7 100644 --- a/llvm/lib/Target/ARM/ARMSubtarget.h +++ b/llvm/lib/Target/ARM/ARMSubtarget.h @@ -229,8 +229,8 @@ protected: /// NoARM - True if subtarget does not support ARM mode execution. bool NoARM = false; - /// ReserveR9 - True if R9 is not available as a general purpose register. - bool ReserveR9 = false; + // ReservedGPRegisters[i] - R#i is not available as a general purpose register + BitVector ReservedGPRegisters; /// NoMovt - True if MOVT / MOVW pairs are not used for materialization of /// 32-bit imms (including global addresses). @@ -763,8 +763,9 @@ public: bool isAClass() const { return ARMProcClass == AClass; } bool isReadTPHard() const { return ReadTPHard; } - bool isR9Reserved() const { - return isTargetMachO() ? (ReserveR9 || !HasV6Ops) : ReserveR9; + bool isGPRegisterReserved(size_t i) const { return ReservedGPRegisters[i]; } + unsigned getNumGPRegistersReserved() const { + return ReservedGPRegisters.count(); } bool useR7AsFramePointer() const { |
