From d90f94a19f2685a7582c249be5297838e9467098 Mon Sep 17 00:00:00 2001
From: =?utf8?q?G=C3=B6tz=20Lindenmaier?= <goetz@ipd.info.uni-karlsruhe.de>
Date: Thu, 11 Nov 2004 12:25:18 +0000
Subject: [PATCH] fixes of pseudo irgs

[r4375]
---
 ir/ir/irnode.h   |  6 ++++--
 ir/ir/irprog.c   | 22 ++++++++++++++++++----
 ir/ir/irprog_t.h |  2 +-
 3 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/ir/ir/irnode.h b/ir/ir/irnode.h
index 8e03728b1..04391d968 100644
--- a/ir/ir/irnode.h
+++ b/ir/ir/irnode.h
@@ -489,8 +489,10 @@ int      get_Call_arity (ir_node *node);
  *
  *  The callee information lists all method entities that can be called
  *  from this node.  If the address expression can not be analyzed fully,
- *  e.g., as there are external methods that could be called, the array
- *  contains a single NULL entry.
+ *  e.g., as entities can be called that are not in the compilation unit,
+ *  the array contains the unknown_entity.  The array contains only entities
+ *  with peculiarity_existent, but with all kinds of visibility.  The entities
+ *  not necessarily contain an irg.
  *
  *  The array is only accessible if callee information is valid.  See flag
  *  in graph.
diff --git a/ir/ir/irprog.c b/ir/ir/irprog.c
index b0a44eb3f..1e58c68c3 100644
--- a/ir/ir/irprog.c
+++ b/ir/ir/irprog.c
@@ -123,11 +123,12 @@ void add_irp_irg(ir_graph *irg) {
 
 /* Removes irg from the list or irgs, shrinks the list by one. */
 void remove_irp_irg(ir_graph *irg){
-  int i;
+  int i, found = false;
   assert(irg);
   free_ir_graph(irg);
   for (i = 0; i < (ARR_LEN (irp->graphs)); i++) {
     if (irp->graphs[i] == irg) {
+      found = true;
       for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
 	irp->graphs[i] = irp->graphs[i+1];
       }
@@ -135,6 +136,17 @@ void remove_irp_irg(ir_graph *irg){
       break;
     }
   }
+  if (!found) {
+    for (i = 0; i < (ARR_LEN (irp->pseudo_graphs)); i++) {
+      if (irp->pseudo_graphs[i] == irg) {
+	for(; i < (ARR_LEN (irp->pseudo_graphs)) - 1; i++) {
+	  irp->pseudo_graphs[i] = irp->pseudo_graphs[i+1];
+	}
+	ARR_SETLEN(ir_graph*, irp->pseudo_graphs, (ARR_LEN(irp->pseudo_graphs)) - 1);
+	break;
+      }
+    }
+  }
 }
 
 int (get_irp_n_irgs)(void) {
@@ -160,11 +172,13 @@ int       get_irp_n_allirgs(void) {
 /* Returns the ir graph at position pos of all graphs (including
  pseudo graphs).  Visits first graphs, then pseudo graphs. */
 ir_graph *get_irp_allirg(int pos) {
-  int n_irgs = get_irp_n_irgs();
-  if (pos < n_irgs)
+  int n_irgs = ARR_LEN((irp)->graphs);
+  assert(0 <= pos);
+  if (pos < n_irgs) {
     return (irp)->graphs[pos];
-  else
+  } else {
     return get_irp_pseudo_irg(pos-n_irgs);
+  }
 }
 
 
diff --git a/ir/ir/irprog_t.h b/ir/ir/irprog_t.h
index ecaa8f109..ace996eb9 100644
--- a/ir/ir/irprog_t.h
+++ b/ir/ir/irprog_t.h
@@ -88,8 +88,8 @@ __get_irp_n_irgs(void) {
 
 static INLINE ir_graph *
 __get_irp_irg(int pos){
-  assert (irp && irp->graphs);
   if (get_visit_pseudo_irgs()) return get_irp_allirg(pos);
+  assert(0 <= pos && pos <= get_irp_n_irgs());
   return irp->graphs[pos];
 }
 
-- 
2.20.1