Changeset 46adb83 for src

Timestamp:

Aug 8, 2017, 8:09:05 PM (7 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

1744e6d

Parents:

533804b

Message:

Add unused attribute to union ctor/dtor parameters to silence warnings

Location:

src

Files:

• SymTab/Autogen.cc (modified) (3 diffs)
• tests/.expect/64/attributes.txt (modified) (1 diff)
• tests/.expect/64/extension.txt (modified) (2 diffs)

src/SymTab/Autogen.cc

@@ -17 +17 @@
 #include <iterator>
 #include "SynTree/Visitor.h"
+#include "SynTree/Attribute.h"
 #include "SynTree/Type.h"
 #include "SynTree/Statement.h"
@@ -275 +276 @@
                 // void ?{}(E *, E);
                 FunctionType *copyCtorType = genCopyType( refType->clone() );
+
+                // add unused attribute to parameters of default constructor and destructor
+                ctorType->get_parameters().front()->get_attributes().push_back( new Attribute( "unused" ) );
+                dtorType->get_parameters().front()->get_attributes().push_back( new Attribute( "unused" ) );
 
                 // xxx - should we also generate void ?{}(E *, int) and E ?{}(E *, E)?
@@ -516 +521 @@
                 cloneAll( typeParams, assignType->get_forall() );
 
+                // add unused attribute to parameters of default constructor and destructor
+                ctorType->get_parameters().front()->get_attributes().push_back( new Attribute( "unused" ) );
+                dtorType->get_parameters().front()->get_attributes().push_back( new Attribute( "unused" ) );
+
                 // Routines at global scope marked "static" to prevent multiple definitions is separate translation units
                 // because each unit generates copies of the default routines for each aggregate.

src/tests/.expect/64/attributes.txt

@@ -310 +310 @@
         __R__C13e__anonymous5_2,
     };
-    inline void ___constructor__F_R13e__anonymous5_intrinsic___2(enum __anonymous5 *___dst__R13e__anonymous5_2){
+    inline void ___constructor__F_R13e__anonymous5_intrinsic___2(__attribute__ ((unused)) enum __anonymous5 *___dst__R13e__anonymous5_2){
     }
     inline void ___constructor__F_R13e__anonymous513e__anonymous5_intrinsic___2(enum __anonymous5 *___dst__R13e__anonymous5_2, enum __anonymous5 ___src__13e__anonymous5_2){
         ((void)((*___dst__R13e__anonymous5_2)=___src__13e__anonymous5_2));
     }
-    inline void ___destructor__F_R13e__anonymous5_intrinsic___2(enum __anonymous5 *___dst__R13e__anonymous5_2){
+    inline void ___destructor__F_R13e__anonymous5_intrinsic___2(__attribute__ ((unused)) enum __anonymous5 *___dst__R13e__anonymous5_2){
     }
     inline enum __anonymous5 ___operator_assign__F13e__anonymous5_R13e__anonymous513e__anonymous5_intrinsic___2(enum __anonymous5 *___dst__R13e__anonymous5_2, enum __anonymous5 ___src__13e__anonymous5_2){

src/tests/.expect/64/extension.txt

@@ -60 +60 @@
     __extension__ int __c__i_1;
 };
-static inline void ___constructor__F_R2uU_autogen___1(union U *___dst__R2uU_1){
+static inline void ___constructor__F_R2uU_autogen___1(__attribute__ ((unused)) union U *___dst__R2uU_1){
 }
 static inline void ___constructor__F_R2uU2uU_autogen___1(union U *___dst__R2uU_1, union U ___src__2uU_1){
     ((void)__builtin_memcpy(((void *)___dst__R2uU_1), ((const void *)(&___src__2uU_1)), sizeof(union U )));
 }
-static inline void ___destructor__F_R2uU_autogen___1(union U *___dst__R2uU_1){
+static inline void ___destructor__F_R2uU_autogen___1(__attribute__ ((unused)) union U *___dst__R2uU_1){
 }
 static inline union U ___operator_assign__F2uU_R2uU2uU_autogen___1(union U *___dst__R2uU_1, union U ___src__2uU_1){
@@ -73 +73 @@
     return ((union U )___ret__2uU_1);
 }
-static inline void ___constructor__F_R2uUi_autogen___1(union U *___dst__R2uU_1, int __src__i_1){
+static inline void ___constructor__F_R2uUi_autogen___1(__attribute__ ((unused)) union U *___dst__R2uU_1, int __src__i_1){
     ((void)__builtin_memcpy(((void *)___dst__R2uU_1), ((const void *)(&__src__i_1)), sizeof(int )));
 }