\r
Things to do:\r
\r
+\r
+ - All dataflow analyses are in the FuelMonad, even though they\r
+ are guarnteed to consume no fuel. This seems silly\r
+\r
- CmmContFlowOpt.runCmmContFlowOptZs is not called!\r
- Why is runCmmOpts called from HscMain? Seems too "high up".\r
In fact HscMain calls (runCmmOpts cmmCfgOptsZ) which is what\r