+/// Allow standard passes to be disabled by the command line, regardless of who
+/// is adding the pass.
+///
+/// StandardID is the pass identified in the standard pass pipeline and provided
+/// to addPass(). It may be a target-specific ID in the case that the target
+/// directly adds its own pass, but in that case we harmlessly fall through.
+///
+/// TargetID is the pass that the target has configured to override StandardID.
+///
+/// StandardID may be a pseudo ID. In that case TargetID is the name of the real
+/// pass to run. This allows multiple options to control a single pass depending
+/// on where in the pipeline that pass is added.
+static IdentifyingPassPtr overridePass(AnalysisID StandardID,
+ IdentifyingPassPtr TargetID) {
+ if (StandardID == &PostRASchedulerID)
+ return applyDisable(TargetID, DisablePostRA);
+
+ if (StandardID == &BranchFolderPassID)
+ return applyDisable(TargetID, DisableBranchFold);
+
+ if (StandardID == &TailDuplicateID)
+ return applyDisable(TargetID, DisableTailDuplicate);
+
+ if (StandardID == &TargetPassConfig::EarlyTailDuplicateID)
+ return applyDisable(TargetID, DisableEarlyTailDup);
+
+ if (StandardID == &MachineBlockPlacementID)
+ return applyDisable(TargetID, DisableBlockPlacement);
+
+ if (StandardID == &StackSlotColoringID)
+ return applyDisable(TargetID, DisableSSC);
+
+ if (StandardID == &DeadMachineInstructionElimID)
+ return applyDisable(TargetID, DisableMachineDCE);
+
+ if (StandardID == &EarlyIfConverterID)
+ return applyDisable(TargetID, DisableEarlyIfConversion);
+
+ if (StandardID == &MachineLICMID)
+ return applyDisable(TargetID, DisableMachineLICM);
+
+ if (StandardID == &MachineCSEID)
+ return applyDisable(TargetID, DisableMachineCSE);
+
+ if (StandardID == &MachineSchedulerID)
+ return applyOverride(TargetID, EnableMachineSched, StandardID);
+
+ if (StandardID == &TargetPassConfig::PostRAMachineLICMID)
+ return applyDisable(TargetID, DisablePostRAMachineLICM);
+
+ if (StandardID == &MachineSinkingID)
+ return applyDisable(TargetID, DisableMachineSink);
+
+ if (StandardID == &MachineCopyPropagationID)
+ return applyDisable(TargetID, DisableCopyProp);
+
+ return TargetID;
+}
+