[Ada] Delete no-longer-used Convert_To_Return_False flag

As a result of other recent changes, the Convert_To_Return_False flag
is never set. The flag can be therefore be deleted.

gcc/ada/

	* exp_ch11.adb (Expand_N_Raise_Expression): Remove
	Convert_To_Return_False test.
	* gen_il-fields.ads: Remove Convert_To_Return_False field.
	* gen_il-gen-gen_nodes.adb: Remove use of
	Convert_To_Return_False field.
	* sinfo.ads: Remove comment describing Convert_To_Return_False
	flag.
This commit is contained in:
Steve Baird 2022-04-15 13:30:34 -07:00 committed by Pierre-Marie de Rodat
parent efaee961d9
commit 55c19dda8c
4 changed files with 8 additions and 35 deletions

View File

@ -1350,37 +1350,19 @@ package body Exp_Ch11 is
-- in
-- raise Constraint_Error;
-- unless the flag Convert_To_Return_False is set, in which case
-- the transformation is to:
-- do
-- return False;
-- in
-- raise Constraint_Error;
-- The raise constraint error can never be executed. It is just a dummy
-- node that can be labeled with an arbitrary type.
RCE := Make_Raise_Constraint_Error (Loc, Reason => CE_Explicit_Raise);
Set_Etype (RCE, Typ);
if Convert_To_Return_False (N) then
Rewrite (N,
Make_Expression_With_Actions (Loc,
Actions => New_List (
Make_Simple_Return_Statement (Loc,
Expression => New_Occurrence_Of (Standard_False, Loc))),
Expression => RCE));
else
Rewrite (N,
Make_Expression_With_Actions (Loc,
Actions => New_List (
Make_Raise_Statement (Loc,
Name => Name (N),
Expression => Expression (N))),
Expression => RCE));
end if;
Rewrite (N,
Make_Expression_With_Actions (Loc,
Actions => New_List (
Make_Raise_Statement (Loc,
Name => Name (N),
Expression => Expression (N))),
Expression => RCE));
Analyze_And_Resolve (N, Typ);
end Expand_N_Raise_Expression;

View File

@ -118,7 +118,6 @@ package Gen_IL.Fields is
Contract_Test_Cases,
Controlling_Argument,
Conversion_OK,
Convert_To_Return_False,
Corresponding_Aspect,
Corresponding_Body,
Corresponding_Entry_Body,

View File

@ -523,8 +523,7 @@ begin -- Gen_IL.Gen.Gen_Nodes
Cc (N_Raise_Expression, N_Subexpr,
(Sy (Name, Node_Id, Default_Empty),
Sy (Expression, Node_Id, Default_Empty),
Sm (Convert_To_Return_False, Flag)));
Sy (Expression, Node_Id, Default_Empty)));
Cc (N_Range, N_Subexpr,
(Sy (Low_Bound, Node_Id),

View File

@ -1005,12 +1005,6 @@ package Sinfo is
-- direct conversion of the underlying integer result, with no regard to
-- the small operand.
-- Convert_To_Return_False
-- Present in N_Raise_Expression nodes that appear in the body of the
-- special predicateM function used to test a predicate in the context
-- of a membership test, where raise expression results in returning a
-- value of False rather than raising an exception.
-- Corresponding_Aspect
-- Present in N_Pragma node. Used to point back to the source aspect from
-- the corresponding pragma. This field is Empty for source pragmas.
@ -6932,7 +6926,6 @@ package Sinfo is
-- Sloc points to RAISE
-- Name (always present)
-- Expression (set to Empty if no expression present)
-- Convert_To_Return_False
-- plus fields for expression
-------------------------------