diff options
Diffstat (limited to 'lib/CodeGen/RegisterScavenging.cpp')
| -rw-r--r-- | lib/CodeGen/RegisterScavenging.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index d73dd3d757..e5729abdf4 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -180,6 +180,13 @@ void RegScavenger::backward() { setUsed(ChangedRegs); } +void RegScavenger::getRegsUsed(BitVector &used, bool includeReserved) { + if (includeReserved) + used = RegStates; + else + used = RegStates & ~ReservedRegs; +} + /// CreateRegClassMask - Set the bits that represent the registers in the /// TargetRegisterClass. static void CreateRegClassMask(const TargetRegisterClass *RC, BitVector &Mask) { |