diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/Target.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/Target.td b/llvm/lib/Target/Target.td index 4c278bb8bd9..9619cb98f9c 100644 --- a/llvm/lib/Target/Target.td +++ b/llvm/lib/Target/Target.td @@ -203,6 +203,11 @@ class Instruction { bit usesCustomDAGSchedInserter = 0; // Pseudo instr needing special help. bit hasCtrlDep = 0; // Does this instruction r/w ctrl-flow chains? bit isNotDuplicable = 0; // Is it unsafe to duplicate this instruction? + + // Side effect flags - If neither of these flags is set, then the instruction + // *always* has side effects. Otherwise, it's one or the other. + bit mayHaveSideEffects = 0; // This instruction *may* have side effects. + bit neverHasSideEffects = 0; // This instruction never has side effects. InstrItinClass Itinerary = NoItinerary;// Execution steps used for scheduling. |
