diff options
| -rw-r--r-- | lib/Target/TargetRegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/TargetRegisterInfo.cpp b/lib/Target/TargetRegisterInfo.cpp index 49bfad5..cdbe51f 100644 --- a/lib/Target/TargetRegisterInfo.cpp +++ b/lib/Target/TargetRegisterInfo.cpp @@ -80,6 +80,11 @@ BitVector TargetRegisterInfo::getAllocatableSet(const MachineFunction &MF, for (TargetRegisterInfo::regclass_iterator I = regclass_begin(), E = regclass_end(); I != E; ++I) getAllocatableSetForRC(MF, *I, Allocatable); + + // Mask out the reserved registers + BitVector Reserved = getReservedRegs(MF); + Allocatable ^= Reserved & Allocatable; + return Allocatable; } |