diff options
Diffstat (limited to 'llvm/lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/InlineSpiller.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp index d6e8505..c3e0964 100644 --- a/llvm/lib/CodeGen/InlineSpiller.cpp +++ b/llvm/lib/CodeGen/InlineSpiller.cpp @@ -721,6 +721,9 @@ bool InlineSpiller::reMaterializeFor(LiveInterval &VirtReg, MachineInstr &MI) { // Allocate a new register for the remat. Register NewVReg = Edit->createFrom(Original); + // Constrain it to the register class of MI. + MRI.constrainRegClass(NewVReg, MRI.getRegClass(VirtReg.reg())); + // Finally we can rematerialize OrigMI before MI. SlotIndex DefIdx = Edit->rematerializeAt(*MI.getParent(), MI, NewVReg, RM, TRI); |