diff options
Diffstat (limited to 'include/llvm/CodeGen/RegisterScavenging.h')
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index 3986a8dd7da..08d316992ec 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -18,6 +18,7 @@ #define LLVM_CODEGEN_REGISTER_SCAVENGING_H #include "llvm/CodeGen/MachineBasicBlock.h" +#include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/ADT/BitVector.h" namespace llvm { @@ -59,10 +60,6 @@ class RegScavenger { /// BitVector CalleeSavedRegs; - /// ReservedRegs - A bitvector of reserved registers. - /// - BitVector ReservedRegs; - /// RegsAvailable - The current state of all the physical registers immediately /// before MBBI. One bit per physical register. If bit is set that means it's /// available, unset means the register is currently being used. @@ -130,12 +127,12 @@ public: void setUsed(unsigned Reg); private: /// isReserved - Returns true if a register is reserved. It is never "unused". - bool isReserved(unsigned Reg) const { return ReservedRegs.test(Reg); } + bool isReserved(unsigned Reg) const { return MRI->isReserved(Reg); } /// isUsed / isUnused - Test if a register is currently being used. /// bool isUsed(unsigned Reg) const { - return !RegsAvailable.test(Reg) || ReservedRegs.test(Reg); + return !RegsAvailable.test(Reg) || isReserved(Reg); } /// isAliasUsed - Is Reg or an alias currently in use? |