diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp b/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp index d508d1ee623..9d2630f2fca 100644 --- a/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp +++ b/llvm/lib/CodeGen/GlobalISel/InstructionSelector.cpp @@ -39,6 +39,10 @@ bool InstructionSelector::constrainSelectedInstRegOperands( DEBUG(dbgs() << "Converting operand: " << MO << '\n'); assert(MO.isReg() && "Unsupported non-reg operand"); + // Physical registers don't need to be constrained. + if (TRI.isPhysicalRegister(MO.getReg())) + continue; + const TargetRegisterClass *RC = TII.getRegClass(I.getDesc(), OpI, &TRI, MF); assert(RC && "Selected inst should have regclass operand"); |
