diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index c620449..87b67d6 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -320,6 +320,11 @@ public: /// loads the instruction does are invariant (if it does multiple loads). bool isInvariantLoad(AliasAnalysis *AA) const; + /// isConstantValuePHI - If the specified instruction is a PHI that always + /// merges together the same virtual register, return the register, otherwise + /// return 0. + unsigned isConstantValuePHI() const; + // // Debugging support // |
