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Diffstat (limited to 'lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 3744b06f3a..88922169b3 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -1127,6 +1127,7 @@ bool RAFast::runOnMachineFunction(MachineFunction &Fn) { TM = &Fn.getTarget(); TRI = TM->getRegisterInfo(); TII = TM->getInstrInfo(); + MRI->freezeReservedRegs(Fn); RegClassInfo.runOnMachineFunction(Fn); UsedInInstr.clear(); UsedInInstr.setUniverse(TRI->getNumRegs()); |