/* Read the GIMPLE representation from a file stream.
- Copyright 2009 Free Software Foundation, Inc.
+ Copyright 2009, 2010 Free Software Foundation, Inc.
Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
Re-implemented by Diego Novillo <dnovillo@google.com>
#include "flags.h"
#include "params.h"
#include "input.h"
-#include "varray.h"
#include "hashtab.h"
#include "basic-block.h"
#include "tree-flow.h"
case LTO_label_decl_ref:
ix_u = lto_input_uleb128 (ib);
result = lto_file_decl_data_get_var_decl (data_in->file_data, ix_u);
- if (tag == LTO_global_decl_ref)
- varpool_mark_needed_node (varpool_node (result));
break;
default:
static void
lto_init_eh (void)
{
+ static bool eh_initialized_p = false;
+
+ if (eh_initialized_p)
+ return;
+
/* Contrary to most other FEs, we only initialize EH support when at
least one of the files in the set contains exception regions in
it. Since this happens much later than the call to init_eh in
if (dwarf2out_do_frame ())
dwarf2out_frame_init ();
#endif
+
+ eh_initialized_p = true;
}
{
HOST_WIDE_INT i, root_region, len;
enum LTO_tags tag;
- static bool eh_initialized_p = false;
tag = input_record_start (ib);
if (tag == LTO_null)
/* If the file contains EH regions, then it was compiled with
-fexceptions. In that case, initialize the backend EH
machinery. */
- if (!eh_initialized_p)
- {
- lto_init_eh ();
- eh_initialized_p = true;
- }
+ lto_init_eh ();
gcc_assert (fn->eh);
}
/* Fixup reference tree operands for substituted prevailing decls
- with mismatched types in STMT. */
+ with mismatched types in STMT. This handles plain DECLs where
+ we need the stmt for context to lookup the required type. */
static void
maybe_fixup_decls (gimple stmt)
gimple_assign_set_rhs1 (stmt, build1 (VIEW_CONVERT_EXPR,
TREE_TYPE (lhs), rhs));
}
- else if (handled_component_p (rhs))
- maybe_fixup_handled_component (rhs);
/* Then catch scalar stores. */
else if (TREE_CODE (lhs) == VAR_DECL)
{
gimple_assign_set_lhs (stmt, build1 (VIEW_CONVERT_EXPR,
TREE_TYPE (rhs), lhs));
}
- else if (handled_component_p (lhs))
- maybe_fixup_handled_component (lhs);
}
else if (is_gimple_call (stmt))
{
gimple_call_return_type (stmt),
lhs));
}
- else if (lhs && handled_component_p (lhs))
- maybe_fixup_handled_component (lhs);
/* Arguments, especially for varargs functions will be funny... */
}
stmt->gimple_asm.ni = lto_input_uleb128 (ib);
stmt->gimple_asm.no = lto_input_uleb128 (ib);
stmt->gimple_asm.nc = lto_input_uleb128 (ib);
+ stmt->gimple_asm.nl = lto_input_uleb128 (ib);
str = input_string_cst (data_in, ib);
stmt->gimple_asm.string = TREE_STRING_POINTER (str);
}
{
tree op = lto_input_tree (ib, data_in);
gimple_set_op (stmt, i, op);
+ if (!op)
+ continue;
+
+ /* Fixup reference tree operands for substituted prevailing decls
+ with mismatched types. For plain VAR_DECLs we need to look
+ at context to determine the wanted type - we do that below
+ after the stmt is completed. */
+ if (TREE_CODE (op) == ADDR_EXPR
+ && TREE_CODE (TREE_OPERAND (op, 0)) == VAR_DECL
+ && !useless_type_conversion_p (TREE_TYPE (TREE_TYPE (op)),
+ TREE_TYPE (op)))
+ {
+ TREE_OPERAND (op, 0)
+ = build1 (VIEW_CONVERT_EXPR, TREE_TYPE (TREE_TYPE (op)),
+ TREE_OPERAND (op, 0));
+ continue;
+ }
- /* Fixup FIELD_DECLs. */
- while (op && handled_component_p (op))
+ /* Fixup FIELD_DECLs in COMPONENT_REFs, they are not handled
+ by decl merging. */
+ if (TREE_CODE (op) == ADDR_EXPR)
+ op = TREE_OPERAND (op, 0);
+ while (handled_component_p (op))
{
if (TREE_CODE (op) == COMPONENT_REF)
{
{
if (tem == field
|| (TREE_TYPE (tem) == TREE_TYPE (field)
- && (DECL_FIELD_OFFSET (tem)
- == DECL_FIELD_OFFSET (field))
- && (DECL_FIELD_BIT_OFFSET (tem)
- == DECL_FIELD_BIT_OFFSET (field))
- && (DECL_OFFSET_ALIGN (tem)
- == DECL_OFFSET_ALIGN (field))))
+ && DECL_NONADDRESSABLE_P (tem)
+ == DECL_NONADDRESSABLE_P (field)
+ && gimple_compare_field_offset (tem, field)))
break;
}
/* In case of type mismatches across units we can fail
TREE_OPERAND (op, 1) = tem;
}
+ /* Preserve the last handled component for the fixup of
+ its operand below. */
+ if (!handled_component_p (TREE_OPERAND (op, 0)))
+ break;
op = TREE_OPERAND (op, 0);
}
+
+ /* Fixup reference tree operands for substituted prevailing decls
+ with mismatched types. */
+ if (handled_component_p (op))
+ maybe_fixup_handled_component (op);
}
break;
}
}
+ /* Reset alias information. */
+ if (code == GIMPLE_CALL)
+ gimple_call_reset_alias_info (stmt);
+
/* Fixup reference tree operands for substituted prevailing decls
with mismatched types. */
maybe_fixup_decls (stmt);
struct cgraph_edge *cedge;
for (cedge = node->callees; cedge; cedge = cedge->next_callee)
cedge->call_stmt = stmts[cedge->lto_stmt_uid];
+ for (cedge = node->indirect_calls; cedge; cedge = cedge->next_callee)
+ cedge->call_stmt = stmts[cedge->lto_stmt_uid];
}
/* Fixup call_stmt pointers in NODE and all clones. */
fn->has_nonlocal_label = bp_unpack_value (bp, 1);
fn->calls_alloca = bp_unpack_value (bp, 1);
fn->calls_setjmp = bp_unpack_value (bp, 1);
- fn->function_frequency = (enum function_frequency) bp_unpack_value (bp, 2);
fn->va_list_fpr_size = bp_unpack_value (bp, 8);
fn->va_list_gpr_size = bp_unpack_value (bp, 8);
bitpack_delete (bp);
+ /* Input the current IL state of the function. */
+ fn->curr_properties = lto_input_uleb128 (ib);
+
/* Read the static chain and non-local goto save area. */
fn->static_chain_decl = lto_input_tree (ib, data_in);
fn->nonlocal_goto_save_area = lto_input_tree (ib, data_in);
/* We should now be in SSA. */
cfun->gimple_df->in_ssa_p = true;
- /* Fill in properties we know hold for the rebuilt CFG. */
- cfun->curr_properties = PROP_ssa
- | PROP_cfg
- | PROP_gimple_any
- | PROP_gimple_lcf
- | PROP_gimple_leh
- | PROP_referenced_vars;
-
/* Restore decl state */
file_data->current_decl_state = file_data->global_decl_state;
if (data_in->globals_resolution)
{
ld_plugin_symbol_resolution_t ret;
- gcc_assert (index < VEC_length (ld_plugin_symbol_resolution_t,
- data_in->globals_resolution));
+ /* We can have references to not emitted functions in
+ DECL_FUNCTION_PERSONALITY at least. So we can and have
+ to indeed return LDPR_UNKNOWN in some cases. */
+ if (VEC_length (ld_plugin_symbol_resolution_t,
+ data_in->globals_resolution) <= index)
+ return LDPR_UNKNOWN;
ret = VEC_index (ld_plugin_symbol_resolution_t,
data_in->globals_resolution,
index);
- gcc_assert (ret != LDPR_UNKNOWN);
return ret;
}
else
{
DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_IN_TEXT_SECTION (expr) = (unsigned) bp_unpack_value (bp, 1);
+ DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_TLS_MODEL (expr) = (enum tls_model) bp_unpack_value (bp, 3);
}
SET_TYPE_MODE (expr, mode);
TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_NO_FORCE_BLK (expr) = (unsigned) bp_unpack_value (bp, 1);
- TYPE_NEEDS_CONSTRUCTING(expr) = (unsigned) bp_unpack_value (bp, 1);
- if (TREE_CODE (expr) == UNION_TYPE)
- TYPE_TRANSPARENT_UNION (expr) = (unsigned) bp_unpack_value (bp, 1);
+ TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1);
+ if (RECORD_OR_UNION_TYPE_P (expr))
+ TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)
DECL_FUNCTION_PERSONALITY (expr) = lto_input_tree (ib, data_in);
DECL_FUNCTION_SPECIFIC_TARGET (expr) = lto_input_tree (ib, data_in);
DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = lto_input_tree (ib, data_in);
+
+ /* If the file contains a function with an EH personality set,
+ then it was compiled with -fexceptions. In that case, initialize
+ the backend EH machinery. */
+ if (DECL_FUNCTION_PERSONALITY (expr))
+ lto_init_eh ();
}
TYPE_VALUES (expr) = lto_input_tree (ib, data_in);
else if (TREE_CODE (expr) == ARRAY_TYPE)
TYPE_DOMAIN (expr) = lto_input_tree (ib, data_in);
- else if (TREE_CODE (expr) == RECORD_TYPE || TREE_CODE (expr) == UNION_TYPE)
+ else if (RECORD_OR_UNION_TYPE_P (expr))
TYPE_FIELDS (expr) = lto_input_tree (ib, data_in);
- else if (TREE_CODE (expr) == FUNCTION_TYPE || TREE_CODE (expr) == METHOD_TYPE)
+ else if (TREE_CODE (expr) == FUNCTION_TYPE
+ || TREE_CODE (expr) == METHOD_TYPE)
TYPE_ARG_TYPES (expr) = lto_input_tree (ib, data_in);
else if (TREE_CODE (expr) == VECTOR_TYPE)
TYPE_DEBUG_REPRESENTATION_TYPE (expr) = lto_input_tree (ib, data_in);
TYPE_BINFO (expr) = lto_input_tree (ib, data_in);
TYPE_CONTEXT (expr) = lto_input_tree (ib, data_in);
TYPE_CANONICAL (expr) = lto_input_tree (ib, data_in);
+ TYPE_STUB_DECL (expr) = lto_input_tree (ib, data_in);
}
if (!result || result == error_mark_node)
fatal_error ("target specific builtin not available");
}
+ else
+ gcc_unreachable ();
asmname = input_string (data_in, ib);
if (asmname)
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