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3daebbc |
2007-11-06 Jakub Jelinek <jakub@redhat.com>
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70a3a1d |
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70a3a1d |
PR tree-optimization/33763
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70a3a1d |
* gcc.dg/pr33763.c: New test.
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3daebbc |
* g++.dg/opt/inline13.C: New test.
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70a3a1d |
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3daebbc |
2007-11-06 Jan Hubicka <jh@suse.cz>
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70a3a1d |
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70a3a1d |
PR tree-optimization/33763
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70a3a1d |
* tree-inline.c (expand_call_inline): Silently ignore always_inline
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70a3a1d |
attribute for redefined extern inline functions.
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70a3a1d |
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3daebbc |
--- gcc/tree-inline.c.jj 2007-11-06 09:29:04.000000000 +0100
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3daebbc |
+++ gcc/tree-inline.c 2007-11-06 16:19:12.000000000 +0100
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7c07471 |
@@ -3157,6 +3157,12 @@ expand_call_inline (basic_block bb, gimp
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7c07471 |
goto egress;
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7c07471 |
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70a3a1d |
if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn))
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+ /* For extern inline functions that get redefined we always
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+ silently ignored alway_inline flag. Better behaviour would
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70a3a1d |
+ be to be able to keep both bodies and use extern inline body
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+ for inlining, but we can't do that because frontends overwrite
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+ the body. */
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+ && !cg_edge->callee->local.redefined_extern_inline
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/* Avoid warnings during early inline pass. */
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7c07471 |
&& cgraph_global_info_ready)
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70a3a1d |
{
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3daebbc |
--- gcc/testsuite/gcc.dg/pr33763.c.jj 2007-11-06 16:19:12.000000000 +0100
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3daebbc |
+++ gcc/testsuite/gcc.dg/pr33763.c 2007-11-06 16:19:12.000000000 +0100
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70a3a1d |
@@ -0,0 +1,60 @@
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70a3a1d |
+/* PR tree-optimization/33763 */
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70a3a1d |
+/* { dg-do compile } */
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70a3a1d |
+/* { dg-options "-O2" } */
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70a3a1d |
+
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+typedef struct
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+{
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70a3a1d |
+ void *a;
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70a3a1d |
+ void *b;
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70a3a1d |
+} T;
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70a3a1d |
+extern void *foo (const char *, const char *);
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70a3a1d |
+extern void *bar (void *, const char *, T);
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70a3a1d |
+extern int baz (const char *, int);
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70a3a1d |
+
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70a3a1d |
+extern inline __attribute__ ((always_inline, gnu_inline)) int
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70a3a1d |
+baz (const char *x, int y)
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70a3a1d |
+{
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70a3a1d |
+ return 2;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+int
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70a3a1d |
+baz (const char *x, int y)
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70a3a1d |
+{
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70a3a1d |
+ return 1;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+int xa, xb;
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70a3a1d |
+
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70a3a1d |
+static void *
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70a3a1d |
+inl (const char *x, const char *y)
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70a3a1d |
+{
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70a3a1d |
+ T t = { &xa, &xb };
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70a3a1d |
+ int *f = (int *) __builtin_malloc (sizeof (int));
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+ const char *z;
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+ int o = 0;
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+ void *r = 0;
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70a3a1d |
+
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70a3a1d |
+ for (z = y; *z; z++)
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70a3a1d |
+ {
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70a3a1d |
+ if (*z == 'r')
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70a3a1d |
+ o |= 1;
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70a3a1d |
+ if (*z == 'w')
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70a3a1d |
+ o |= 2;
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70a3a1d |
+ }
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70a3a1d |
+ if (o == 1)
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70a3a1d |
+ *f = baz (x, 0);
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70a3a1d |
+ if (o == 2)
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70a3a1d |
+ *f = baz (x, 1);
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70a3a1d |
+ if (o == 3)
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70a3a1d |
+ *f = baz (x, 2);
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70a3a1d |
+
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70a3a1d |
+ if (o && *f > 0)
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70a3a1d |
+ r = bar (f, "w", t);
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70a3a1d |
+ return r;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+void *
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70a3a1d |
+foo (const char *x, const char *y)
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70a3a1d |
+{
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70a3a1d |
+ return inl (x, y);
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70a3a1d |
+}
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3daebbc |
--- gcc/testsuite/g++.dg/opt/inline13.C.jj 2007-11-06 16:20:20.000000000 +0100
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3daebbc |
+++ gcc/testsuite/g++.dg/opt/inline13.C 2007-11-06 16:21:30.000000000 +0100
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70a3a1d |
@@ -0,0 +1,60 @@
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70a3a1d |
+// PR tree-optimization/33763
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70a3a1d |
+// { dg-do compile }
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70a3a1d |
+// { dg-options "-O2" }
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70a3a1d |
+
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70a3a1d |
+typedef struct
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70a3a1d |
+{
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70a3a1d |
+ void *a;
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70a3a1d |
+ void *b;
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70a3a1d |
+} T;
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70a3a1d |
+extern void *foo (const char *, const char *);
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70a3a1d |
+extern void *bar (void *, const char *, T);
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70a3a1d |
+extern int baz (const char *, int);
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70a3a1d |
+
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70a3a1d |
+extern inline __attribute__ ((always_inline, gnu_inline)) int
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70a3a1d |
+baz (const char *x, int y)
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70a3a1d |
+{
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70a3a1d |
+ return 2;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+int
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70a3a1d |
+baz (const char *x, int y)
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70a3a1d |
+{
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70a3a1d |
+ return 1;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+int xa, xb;
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70a3a1d |
+
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70a3a1d |
+static void *
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70a3a1d |
+inl (const char *x, const char *y)
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70a3a1d |
+{
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70a3a1d |
+ T t = { &xa, &xb };
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70a3a1d |
+ int *f = (int *) __builtin_malloc (sizeof (int));
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70a3a1d |
+ const char *z;
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70a3a1d |
+ int o = 0;
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70a3a1d |
+ void *r = 0;
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70a3a1d |
+
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70a3a1d |
+ for (z = y; *z; z++)
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70a3a1d |
+ {
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70a3a1d |
+ if (*z == 'r')
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70a3a1d |
+ o |= 1;
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70a3a1d |
+ if (*z == 'w')
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70a3a1d |
+ o |= 2;
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70a3a1d |
+ }
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70a3a1d |
+ if (o == 1)
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70a3a1d |
+ *f = baz (x, 0);
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70a3a1d |
+ if (o == 2)
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70a3a1d |
+ *f = baz (x, 1);
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70a3a1d |
+ if (o == 3)
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70a3a1d |
+ *f = baz (x, 2);
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70a3a1d |
+
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70a3a1d |
+ if (o && *f > 0)
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70a3a1d |
+ r = bar (f, "w", t);
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70a3a1d |
+ return r;
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70a3a1d |
+}
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70a3a1d |
+
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70a3a1d |
+void *
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70a3a1d |
+foo (const char *x, const char *y)
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70a3a1d |
+{
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70a3a1d |
+ return inl (x, y);
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70a3a1d |
+}
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