passes.texi: remove docs about "redundant PHI removal".

2006-12-12  Marcin Dalecki  <martin@dalecki.de>

	* doc/passes.texi: remove docs about "redundant PHI removal".
	* tree-pass.h: remove orphaned declaration of pass_redundant_phi.

From-SVN: r119794

gcc/ChangeLog

+2006-12-12  Marcin Dalecki  <martin@dalecki.de>
+
+	* doc/passes.texi: remove docs about "redundant PHI removal".
+	* tree-pass.h: remove orphaned declaration of pass_redundant_phi.
+
 2006-12-12  Andrew Macleod  <amacleod@redhat.com>
 	
 	PR tree-optimization/30159

gcc/doc/passes.texi

@@ -295,14 +295,6 @@ expression simplification, and jump threading.  It is run multiple times
 throughout the optimization process.  It it located in @file{tree-ssa-dom.c}
 and is described by @code{pass_dominator}.
 
-@item Redundant PHI elimination
-
-This pass removes PHI nodes for which all of the arguments are the same
-value, excluding feedback.  Such degenerate forms are typically created
-by removing unreachable code.  The pass is run multiple times throughout
-the optimization process.  It is located in @file{tree-ssa.c} and is
-described by @code{pass_redundant_phi}.o
-
 @item Forward propagation of single-use variables
 
 This pass attempts to remove redundant computation by substituting

gcc/tree-pass.h

@@ -285,7 +285,6 @@ extern struct tree_opt_pass pass_warn_function_return;
 extern struct tree_opt_pass pass_warn_function_noreturn;
 extern struct tree_opt_pass pass_phiopt;
 extern struct tree_opt_pass pass_forwprop;
-extern struct tree_opt_pass pass_redundant_phi;
 extern struct tree_opt_pass pass_dse;
 extern struct tree_opt_pass pass_nrv;
 extern struct tree_opt_pass pass_mark_used_blocks;