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@@ -381,6 +381,11 @@ loop using it, in case when a complicated analysis is necessary to determine
the number of iterations. Later optimizations then may determine the number
easily. The pass is implemented in @file{tree-ssa-loop-ivcanon.c}.
+Induction variable optimizations. This pass performs standard induction
+variable optimizations, including strength reduction, induction variable
+merging and induction variable elimination. The pass is implemented in
+@file{tree-ssa-loop-ivopts.c}.
+
The optimizations also use various utility functions contained in
@file{tree-ssa-loop-manip.c}, @file{cfgloop.c}, @file{cfgloopanal.c} and
@file{cfgloopmanip.c}.