From bb60bb974d8408320457ab4e8b9fc829f121eaac Mon Sep 17 00:00:00 2001
From: pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 9 Feb 2006 14:31:28 +0000
Subject: [PATCH] 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26179
* g++.dg/opt/pr26179.C: New test.
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26179
* tree-ssa-pre.c (create_component_ref_by_pieces):
Handle RETURN_DECL like VAR_DECL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110801 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++++++
gcc/testsuite/ChangeLog | 5 +++++
gcc/testsuite/g++.dg/opt/pr26179.C | 22 ++++++++++++++++++++++
gcc/tree-ssa-pre.c | 1 +
4 files changed, 34 insertions(+)
create mode 100644 gcc/testsuite/g++.dg/opt/pr26179.C
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 57e720cb9ad6..c339897488ab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/26179
+ * tree-ssa-pre.c (create_component_ref_by_pieces):
+ Handle RETURN_DECL like VAR_DECL.
+
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/26134
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dd78250d0edc..d7ea0007e484 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/26179
+ * g++.dg/opt/pr26179.C: New test.
+
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/26134
diff --git a/gcc/testsuite/g++.dg/opt/pr26179.C b/gcc/testsuite/g++.dg/opt/pr26179.C
new file mode 100644
index 000000000000..32cd7a00ea9d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr26179.C
@@ -0,0 +1,22 @@
+/* The problem here is that Load PRE on the tree level
+ forgot to handle RETURN_DECL which causes us to ICE. */
+
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct a
+{
+ int i;
+};
+void h(struct a&);
+void l(void);
+
+struct a g(void)
+{
+ struct a fl;
+ h(fl);
+ if (fl.i)
+ l();
+ fl.i+=2;
+ return fl;
+}
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index d2edf218758b..95df38878956 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -2161,6 +2161,7 @@ create_component_ref_by_pieces (basic_block block, tree expr, tree stmts)
break;
case VAR_DECL:
case PARM_DECL:
+ case RESULT_DECL:
case SSA_NAME:
return genop;
default:
--
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