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re PR debug/47079 (FAIL: gcc.dg/guality/nrv-1.c)

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PR debug/47079
PR debug/46724
* function.c (instantiate_expr): Instantiate incoming rtl of
implicit arguments, and recurse on VALUE_EXPRs.
(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

From-SVN: r169034
This commit is contained in:
Alexandre Oliva 2011-01-19 22:00:00 +00:00 committed by Alexandre Oliva
parent 689f2c8206
commit 37d6a488a4
3 changed files with 37 additions and 2 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2011-01-19 Alexandre Oliva <aoliva@redhat.com>
PR debug/47079
PR debug/46724
* function.c (instantiate_expr): Instantiate incoming rtl of
implicit arguments, and recurse on VALUE_EXPRs.
(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2011-01-19 Alexandre Oliva <aoliva@redhat.com>
* c-parser.c (c_parser_for_statement): Initialize

29
gcc/function.c
View File

@ -1784,8 +1784,21 @@ instantiate_expr (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
if (! EXPR_P (t))
{
*walk_subtrees = 0;
if (DECL_P (t) && DECL_RTL_SET_P (t))
instantiate_decl_rtl (DECL_RTL (t));
if (DECL_P (t))
{
if (DECL_RTL_SET_P (t))
instantiate_decl_rtl (DECL_RTL (t));
if (TREE_CODE (t) == PARM_DECL && DECL_NAMELESS (t)
&& DECL_INCOMING_RTL (t))
instantiate_decl_rtl (DECL_INCOMING_RTL (t));
if ((TREE_CODE (t) == VAR_DECL
|| TREE_CODE (t) == RESULT_DECL)
&& DECL_HAS_VALUE_EXPR_P (t))
{
tree v = DECL_VALUE_EXPR (t);
walk_tree (&v, instantiate_expr, NULL, NULL);
}
}
}
return NULL;
}
@ -1835,6 +1848,18 @@ instantiate_decls (tree fndecl)
}
}
if ((decl = DECL_RESULT (fndecl))
&& TREE_CODE (decl) == RESULT_DECL)
{
if (DECL_RTL_SET_P (decl))
instantiate_decl_rtl (DECL_RTL (decl));
if (DECL_HAS_VALUE_EXPR_P (decl))
{
tree v = DECL_VALUE_EXPR (decl);
walk_tree (&v, instantiate_expr, NULL, NULL);
}
}
/* Now process all variables defined in the function or its subblocks. */
instantiate_decls_1 (DECL_INITIAL (fndecl));

1
gcc/var-tracking.c
View File

@ -805,6 +805,7 @@ adjust_mems (rtx loc, const_rtx old_rtx, void *data)
&& hard_frame_pointer_adjustment != -1
&& cfa_base_rtx)
return compute_cfa_pointer (hard_frame_pointer_adjustment);
gcc_checking_assert (loc != virtual_incoming_args_rtx);
return loc;
case MEM:
mem = loc;