diff options
| -rw-r--r-- | llvm/include/llvm/CodeGen/TargetRegisterInfo.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/TargetRegisterInfo.h b/llvm/include/llvm/CodeGen/TargetRegisterInfo.h index dd88f250a21..8c98d626b6d 100644 --- a/llvm/include/llvm/CodeGen/TargetRegisterInfo.h +++ b/llvm/include/llvm/CodeGen/TargetRegisterInfo.h @@ -87,11 +87,20 @@ public: /// Return true if the specified register is included in this register class. /// This does not include virtual registers. bool contains(unsigned Reg) const { + /// FIXME: Historically this function has returned false when given vregs + /// but it should probably only receive physical registers + if (!Register::isPhysicalRegister(Reg)) + return false; return MC->contains(Reg); } /// Return true if both registers are in this class. bool contains(unsigned Reg1, unsigned Reg2) const { + /// FIXME: Historically this function has returned false when given a vregs + /// but it should probably only receive physical registers + if (!Register::isPhysicalRegister(Reg1) || + !Register::isPhysicalRegister(Reg2)) + return false; return MC->contains(Reg1, Reg2); } |
