diff options
Diffstat (limited to 'include/llvm/CodeGen/LiveInterval.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveInterval.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h index 706d449516..720fb830e4 100644 --- a/include/llvm/CodeGen/LiveInterval.h +++ b/include/llvm/CodeGen/LiveInterval.h @@ -81,6 +81,11 @@ namespace llvm { unsigned getFlags() const { return flags; } void setFlags(unsigned flags) { this->flags = flags; } + /// Merge flags from another VNInfo + void mergeFlags(const VNInfo *VNI) { + flags = (flags | VNI->flags) & ~IS_UNUSED; + } + /// For a register interval, if this VN was definied by a copy instr /// getCopy() returns a pointer to it, otherwise returns 0. /// For a stack interval the behaviour of this method is undefined. |