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Fix g++.dg/lto/alias-1 and 2 for non-plugin builds

Message ID 20190701090634.oqbh2decqcop55iq@kam.mff.cuni.cz
State New
Headers show
Series Fix g++.dg/lto/alias-1 and 2 for non-plugin builds | expand

Commit Message

Jan Hubicka July 1, 2019, 9:06 a.m. UTC 
Hi,
alias-1 and alias-2 fails with -fno-use-inliner-plugin because the
inlinig it relies on does not happen. This is because w/o resolution
info we can not optimize away the offline copy and we know that main
is executed once and optimize for size.

Bootsrapped/regtested x86_64-linux, comitted.

Honza
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Patch

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 272846)
+++ ChangeLog	(working copy)
@@ -1,3 +1,11 @@ 
+2019-07-01  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR lto/91028
+	PR lto/90720
+	* g++.dg/lto/alias-1_0.C: Add loop to make inlining happen with
+	-fno-use-linker-plugin
+	* g++.dg/lto/alias-2_0.C: Likewise.
+
 2019-07-01  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 
 	* g++.dg/cpp0x/gen-attrs-67.C: Add error for darwin.
Index: g++.dg/lto/alias-1_0.C
===================================================================
--- g++.dg/lto/alias-1_0.C	(revision 272846)
+++ g++.dg/lto/alias-1_0.C	(working copy)
@@ -17,6 +17,7 @@  __attribute__ ((used))
 struct b **bptr = (struct b**)&aptr;
 extern void init ();
 extern void inline_me_late (int);
+int n=1;
 
 
 int
@@ -24,7 +25,8 @@  main (int argc, char **argv)
 {
   init ();
   aptr = 0;
-  inline_me_late (argc);
+  for (int i=0; i<n; i++)
+    inline_me_late (argc);
   if (!__builtin_constant_p (aptr == 0))
     __builtin_abort ();
   return (size_t)aptr;
Index: g++.dg/lto/alias-2_0.C
===================================================================
--- g++.dg/lto/alias-2_0.C	(revision 272846)
+++ g++.dg/lto/alias-2_0.C	(working copy)
@@ -17,6 +17,7 @@  __attribute__ ((used))
 struct b **bptr = (struct b**)&aptr;
 extern void init ();
 extern void inline_me_late (int);
+int n=1;
 
 
 int
@@ -24,7 +25,8 @@  main (int argc, char **argv)
 {
   init ();
   aptr = 0;
-  inline_me_late (argc);
+  for (int i=0; i<n; i++)
+    inline_me_late (argc);
   if (!__builtin_constant_p (aptr == 0))
     __builtin_abort ();
   return (size_t)aptr;