diff options
| -rw-r--r-- | include/llvm/Target/TargetRegisterInfo.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h index 205e76f9c6..afa395f3d7 100644 --- a/include/llvm/Target/TargetRegisterInfo.h +++ b/include/llvm/Target/TargetRegisterInfo.h @@ -351,13 +351,13 @@ public: /// The first virtual register in a function will get the index 0. static unsigned virtReg2Index(unsigned Reg) { assert(isVirtualRegister(Reg) && "Not a virtual register"); - return Reg - (1u << 31); + return Reg & ~(1u << 31); } /// index2VirtReg - Convert a 0-based index to a virtual register number. /// This is the inverse operation of VirtReg2IndexFunctor below. static unsigned index2VirtReg(unsigned Index) { - return Index + (1u << 31); + return Index | (1u << 31); } /// getMinimalPhysRegClass - Returns the Register Class of a physical |