From 898caa0b0671dfe587c9ff4e2bbca6d40a9ee30f Mon Sep 17 00:00:00 2001
From: =?utf8?q?G=C3=B6tz=20Lindenmaier?= <goetz@ipd.info.uni-karlsruhe.de>
Date: Wed, 29 Aug 2001 15:07:44 +0000
Subject: [PATCH] Added routine remove_irp_irg. Changed comment to
 free_ir_graph.

[r247]
---
 ir/ir/irgraph.c |  2 ++
 ir/ir/irgraph.h |  2 ++
 ir/ir/irprog.c  | 16 +++++++++++++++-
 ir/ir/irprog.h  |  3 +++
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ir/ir/irgraph.c b/ir/ir/irgraph.c
index be11632c5..f29aaf780 100644
--- a/ir/ir/irgraph.c
+++ b/ir/ir/irgraph.c
@@ -102,6 +102,8 @@ new_ir_graph (entity *ent, int n_loc)
 /* Frees the passed irgraph.
    Deallocates all nodes in this graph and the ir_graph structure.
    Sets the field irgraph in the corresponding entity to NULL.
+   Does not remove the irgraph from the list in irprog (requires
+   inefficient search, call remove_irp_irg by hand).
    Does not free types, entities or modes that are used only by this
    graph, nor the entity standing for this graph. */
 void free_ir_graph (ir_graph *irg) {
diff --git a/ir/ir/irgraph.h b/ir/ir/irgraph.h
index 70c3f169e..2968402db 100644
--- a/ir/ir/irgraph.h
+++ b/ir/ir/irgraph.h
@@ -75,6 +75,8 @@ ir_graph *new_ir_graph (entity *ent, int n_loc);
 /* Frees the passed irgraph.
    Deallocates all nodes in this graph and the ir_graph structure.
    Sets the field irgraph in the corresponding entity to NULL.
+   Does not remove the irgraph from the list in irprog (requires
+   inefficient search, call remove_irp_irg by hand).
    Does not free types, entities or modes that are used only by this
    graph, nor the entity standing for this graph. */
 void free_ir_graph (ir_graph *irg);
diff --git a/ir/ir/irprog.c b/ir/ir/irprog.c
index 963ae93e0..4de46960e 100644
--- a/ir/ir/irprog.c
+++ b/ir/ir/irprog.c
@@ -67,12 +67,26 @@ type *get_glob_type(void) {
 }
 
 /* Adds irg to the list of ir graphs in irp. */
-void      add_irp_irg(ir_graph *irg) {
+void add_irp_irg(ir_graph *irg) {
   assert (irg != NULL);
   assert(irp && irp->graphs);
   ARR_APP1 (ir_graph *, irp->graphs, irg);
 }
 
+/* Removes irg from the list or irgs, shrinks the list by one.
+   @@@ does not work properly. */
+void remove_irp_irg(ir_graph *irg){
+  int i;
+  assert(irg);
+  for (i = 1; i < (ARR_LEN (irp->graphs))-1; i++)
+    if (irp->graphs[i+1] == irg) {
+      for(i++; i < (ARR_LEN (irp->graphs)) - 1; i++)
+	irp->graphs[i] = irp->graphs[i+1];
+      ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
+      break;
+    }
+}
+
 int get_irp_n_irgs() {
   assert (irp && irp->graphs);
   /* Strangely the first element of the array is NULL.  Why??  */
diff --git a/ir/ir/irprog.h b/ir/ir/irprog.h
index e8b2296f0..84622d39a 100644
--- a/ir/ir/irprog.h
+++ b/ir/ir/irprog.h
@@ -61,6 +61,9 @@ void      set_irp_main_irg(ir_graph *main_irg);
 
 /* Adds irg to the list of ir graphs in irp. */
 void      add_irp_irg(ir_graph *irg);
+/* Removes irg from the list or irgs, shrinks the list by one.
+   @@@ does not work properly. */
+void      remove_irp_irg(ir_graph *irg);
 int       get_irp_n_irgs();
 ir_graph *get_irp_irg(int pos);
 void      set_irp_irg(int pos, ir_graph *irg);
-- 
2.20.1