154 lines
3.3 KiB
Diff
154 lines
3.3 KiB
Diff
2007-11-06 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/33763
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* gcc.dg/pr33763.c: New test.
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* g++.dg/opt/inline13.C: New test.
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2007-11-06 Jan Hubicka <jh@suse.cz>
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PR tree-optimization/33763
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* tree-inline.c (expand_call_inline): Silently ignore always_inline
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attribute for redefined extern inline functions.
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--- gcc/tree-inline.c.jj 2007-11-06 09:29:04.000000000 +0100
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+++ gcc/tree-inline.c 2007-11-06 16:19:12.000000000 +0100
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@@ -3817,6 +3817,12 @@ expand_call_inline (basic_block bb, gimp
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goto egress;
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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 always_inline flag. Better behaviour would
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+ 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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&& cgraph_global_info_ready
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/* PR 20090218-1_0.c. Body can be provided by another module. */
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--- gcc/testsuite/gcc.dg/pr33763.c.jj 2007-11-06 16:19:12.000000000 +0100
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+++ gcc/testsuite/gcc.dg/pr33763.c 2007-11-06 16:19:12.000000000 +0100
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@@ -0,0 +1,60 @@
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+/* PR tree-optimization/33763 */
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+/* { dg-do compile } */
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+/* { dg-options "-O2" } */
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+
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+typedef struct
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+{
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+ void *a;
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+ void *b;
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+} T;
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+extern void *foo (const char *, const char *);
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+extern void *bar (void *, const char *, T);
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+extern int baz (const char *, int);
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+
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+extern inline __attribute__ ((always_inline, gnu_inline)) int
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+baz (const char *x, int y)
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+{
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+ return 2;
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+}
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+
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+int
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+baz (const char *x, int y)
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+{
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+ return 1;
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+}
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+
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+int xa, xb;
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+
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+static void *
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+inl (const char *x, const char *y)
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+{
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+ T t = { &xa, &xb };
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+ 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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+
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+ for (z = y; *z; z++)
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+ {
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+ if (*z == 'r')
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+ o |= 1;
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+ if (*z == 'w')
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+ o |= 2;
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+ }
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+ if (o == 1)
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+ *f = baz (x, 0);
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+ if (o == 2)
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+ *f = baz (x, 1);
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+ if (o == 3)
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+ *f = baz (x, 2);
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+
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+ if (o && *f > 0)
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+ r = bar (f, "w", t);
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+ return r;
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+}
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+
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+void *
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+foo (const char *x, const char *y)
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+{
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+ return inl (x, y);
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+}
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--- gcc/testsuite/g++.dg/opt/inline13.C.jj 2007-11-06 16:20:20.000000000 +0100
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+++ gcc/testsuite/g++.dg/opt/inline13.C 2007-11-06 16:21:30.000000000 +0100
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@@ -0,0 +1,60 @@
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+// PR tree-optimization/33763
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+// { dg-do compile }
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+// { dg-options "-O2" }
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+
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+typedef struct
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+{
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+ void *a;
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+ void *b;
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+} T;
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+extern void *foo (const char *, const char *);
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+extern void *bar (void *, const char *, T);
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+extern int baz (const char *, int);
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+
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+extern inline __attribute__ ((always_inline, gnu_inline)) int
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+baz (const char *x, int y)
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+{
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+ return 2;
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+}
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+
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+int
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+baz (const char *x, int y)
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+{
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+ return 1;
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+}
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+
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+int xa, xb;
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+
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+static void *
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+inl (const char *x, const char *y)
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+{
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+ T t = { &xa, &xb };
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+ 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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+
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+ for (z = y; *z; z++)
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+ {
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+ if (*z == 'r')
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+ o |= 1;
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+ if (*z == 'w')
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+ o |= 2;
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+ }
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+ if (o == 1)
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+ *f = baz (x, 0);
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+ if (o == 2)
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+ *f = baz (x, 1);
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+ if (o == 3)
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+ *f = baz (x, 2);
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+
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+ if (o && *f > 0)
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+ r = bar (f, "w", t);
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+ return r;
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+}
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+
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+void *
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+foo (const char *x, const char *y)
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+{
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+ return inl (x, y);
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+}
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