[m-dev.] [reuse] for review: don't compute liveness for special preds

[Peter Ross]

Nancy,

will this break anything?


===================================================================


Estimated hours taken: 1

compiler/pa_prelim_run.m:
    Don't compute the liveness of the special preds, as it doesn't alway
    succeed.

Index: pa_prelim_run.m
===================================================================
RCS file: /home/mercury1/repository/mercury/compiler/Attic/pa_prelim_run.m,v
retrieving revision 1.1.2.1
diff -u -r1.1.2.1 pa_prelim_run.m
--- pa_prelim_run.m	2000/09/19 10:02:07	1.1.2.1
+++ pa_prelim_run.m	2000/10/02 13:27:33
@@ -34,7 +34,13 @@
 :- import_module hlds_goal, prog_data.
 
 annotate_all_liveness_in_module( HLDSin, HLDSout) :- 
-	module_info_predids( HLDSin, PRED_IDS ), 
+	module_info_predids( HLDSin, PRED_IDS0 ), 
+
+	module_info_get_special_pred_map(HLDSin, SpecialPredMap),
+	map__values(SpecialPredMap, SpecialPredIds),
+
+	list__delete_elems(PRED_IDS0, SpecialPredIds, PRED_IDS),
+
 	list__foldl(
 		annotate_all_liveness_in_module_2,
 		PRED_IDS, 

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