Mark library functions that don't call postblit(), destroy(), or other user implemented functions as ECF_LEAF.

Author: ibuclaw

gcc/d/ChangeLog

@@ -1,3 +1,16 @@
+2018-02-11  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* runtime.def (NEWCLASS): Set ECF_LEAF.
+	(DYNAMIC_CAST, INTERFACE_CAST): Likewise.
+	(NEWITEMT, NEWITEMIT, DELMEMORY): Likewise.
+	(NEWARRAYT, NEWARRAYIT): Likewise.
+	(NEWARRAYMTX, NEWARRAYMITX): Likewise.
+	(ARRAYLITERALTX, ARRAYCAST): Likewise.
+	(ALLOCMEMORY, ARRAYCOPY): Likewise.
+	(ARRAYAPPENDCD, ARRAYAPPENDWD): Likewise.
+	(AAINX, AAGETRVALUEX, AADELX): Likewise.
+	(SWITCH_STRING, SWITCH_USTRING, SWITCH_DSTRING): Likewise.
+
 2018-02-11  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-codegen.cc (d_save_expr): Always stabilize CALL_EXPR.

gcc/d/runtime.def

@@ -50,7 +50,8 @@ DEF_D_RUNTIME (ARRAY_BOUNDS, "_d_arraybounds", RT(VOID), P2(STRING, UINT),
 	       ECF_COLD | ECF_LEAF | ECF_NORETURN)
 
 /* Used when calling new on a class.  */
-DEF_D_RUNTIME (NEWCLASS, "_d_newclass", RT(OBJECT), P1(CONST_CLASSINFO), 0)
+DEF_D_RUNTIME (NEWCLASS, "_d_newclass", RT(OBJECT), P1(CONST_CLASSINFO),
+	       ECF_LEAF)
 
 /* Used when calling delete on a class or interface.  */
 DEF_D_RUNTIME (DELCLASS, "_d_delclass", RT(VOID), P1(VOIDPTR), 0)
@@ -63,35 +64,38 @@ DEF_D_RUNTIME (CALLINTERFACEFINALIZER, "_d_callinterfacefinalizer", RT(VOID),
 
 /* Used for casting to a class or interface.  */
 DEF_D_RUNTIME (DYNAMIC_CAST, "_d_dynamic_cast", RT(OBJECT),
-	       P2(OBJECT, CLASSINFO), 0)
+	       P2(OBJECT, CLASSINFO), ECF_LEAF)
 DEF_D_RUNTIME (INTERFACE_CAST, "_d_interface_cast", RT(OBJECT),
-	       P2(OBJECT, CLASSINFO), 0)
+	       P2(OBJECT, CLASSINFO), ECF_LEAF)
 
 /* Used when calling new on a pointer.  The `i' variant is for when the
    initialiser is non-zero.  */
-DEF_D_RUNTIME (NEWITEMT, "_d_newitemT", RT(VOIDPTR), P1(CONST_TYPEINFO), 0)
-DEF_D_RUNTIME (NEWITEMIT, "_d_newitemiT", RT(VOIDPTR), P1(CONST_TYPEINFO), 0)
+DEF_D_RUNTIME (NEWITEMT, "_d_newitemT", RT(VOIDPTR), P1(CONST_TYPEINFO),
+	       ECF_LEAF)
+DEF_D_RUNTIME (NEWITEMIT, "_d_newitemiT", RT(VOIDPTR), P1(CONST_TYPEINFO),
+	       ECF_LEAF)
 
 /* Used when calling delete on a pointer.  */
-DEF_D_RUNTIME (DELMEMORY, "_d_delmemory", RT(VOID), P1(POINTER_VOIDPTR), 0)
+DEF_D_RUNTIME (DELMEMORY, "_d_delmemory", RT(VOID), P1(POINTER_VOIDPTR),
+	       ECF_LEAF)
 DEF_D_RUNTIME (DELSTRUCT, "_d_delstruct", RT(VOID),
 	       P2(POINTER_VOIDPTR, TYPEINFO), 0)
 
 /* Used when calling new on an array.  The `i' variant is for when the
    initialiser is non-zero, and the `m' variant is when initialising a
    multi-dimensional array.  */
 DEF_D_RUNTIME (NEWARRAYT, "_d_newarrayT", RT(ARRAY_VOID),
-	       P2(CONST_TYPEINFO, SIZE_T), 0)
+	       P2(CONST_TYPEINFO, SIZE_T), ECF_LEAF)
 DEF_D_RUNTIME (NEWARRAYIT, "_d_newarrayiT", RT(ARRAY_VOID),
-	       P2(CONST_TYPEINFO, SIZE_T), 0)
+	       P2(CONST_TYPEINFO, SIZE_T), ECF_LEAF)
 DEF_D_RUNTIME (NEWARRAYMTX, "_d_newarraymTX", RT(ARRAY_VOID),
-	       P2(CONST_TYPEINFO, ARRAY_SIZE_T), 0)
+	       P2(CONST_TYPEINFO, ARRAY_SIZE_T), ECF_LEAF)
 DEF_D_RUNTIME (NEWARRAYMITX, "_d_newarraymiTX", RT(ARRAY_VOID),
-	       P2(CONST_TYPEINFO, ARRAY_SIZE_T), 0)
+	       P2(CONST_TYPEINFO, ARRAY_SIZE_T), ECF_LEAF)
 
 /* Used for allocating an array literal on the GC heap.  */
 DEF_D_RUNTIME (ARRAYLITERALTX, "_d_arrayliteralTX", RT(VOIDPTR),
-	       P2(CONST_TYPEINFO, SIZE_T), 0)
+	       P2(CONST_TYPEINFO, SIZE_T), ECF_LEAF)
 
 /* Used when calling delete on an array.  */
 DEF_D_RUNTIME (DELARRAYT, "_d_delarray_t", RT(VOID),
@@ -107,7 +111,7 @@ DEF_D_RUNTIME (ADCMP2, "_adCmp2", RT(INT),
 /* Used when casting from one array type to another where the index type
    sizes differ.  Such as from int[] to short[].  */
 DEF_D_RUNTIME (ARRAYCAST, "_d_arraycast", RT(ARRAY_VOID),
-	       P3(SIZE_T, SIZE_T, ARRAY_VOID), 0)
+	       P3(SIZE_T, SIZE_T, ARRAY_VOID), ECF_LEAF)
 
 /* Used for (array.length = n) expressions.  The `i' variant is for when the
    initialiser is non-zero.  */
@@ -118,12 +122,12 @@ DEF_D_RUNTIME (ARRAYSETLENGTHIT, "_d_arraysetlengthiT", RT(ARRAY_VOID),
 
 /* Used for allocating closures on the GC heap.  */
 DEF_D_RUNTIME (ALLOCMEMORY, "_d_allocmemory", RT(VOIDPTR), P1(SIZE_T),
-	       ECF_MALLOC | ECF_PURE)
+	       ECF_LEAF | ECF_MALLOC | ECF_PURE)
 
 /* Used for copying an array into a slice, adds an enforcment that the source
    and destination are equal in size and do not overlap.  */
 DEF_D_RUNTIME (ARRAYCOPY, "_d_arraycopy", RT(ARRAY_VOID),
-	       P3(SIZE_T, ARRAY_VOID, ARRAY_VOID), 0)
+	       P3(SIZE_T, ARRAY_VOID, ARRAY_VOID), ECF_LEAF)
 
 /* Used for array assignments from an existing array.  The `set' variant is for
    when the assignment value is a single element.  */
@@ -157,9 +161,9 @@ DEF_D_RUNTIME (ARRAYAPPENDCTX, "_d_arrayappendcTX", RT(ARRAY_BYTE),
 /* Same as appending a single element to an array, but specific for when the
    source is a UTF-32 character, and the destination is a UTF-8 or 16 array.  */
 DEF_D_RUNTIME (ARRAYAPPENDCD, "_d_arrayappendcd", RT(ARRAY_VOID),
-	       P2(ARRAYPTR_BYTE, DCHAR), 0)
+	       P2(ARRAYPTR_BYTE, DCHAR), ECF_LEAF)
 DEF_D_RUNTIME (ARRAYAPPENDWD, "_d_arrayappendwd", RT(ARRAY_VOID),
-	       P2(ARRAYPTR_BYTE, DCHAR), 0)
+	       P2(ARRAYPTR_BYTE, DCHAR), ECF_LEAF)
 
 /* Used for appending an existing array to another.  */
 DEF_D_RUNTIME (ARRAYAPPENDT, "_d_arrayappendT", RT(ARRAY_VOID),
@@ -175,19 +179,19 @@ DEF_D_RUNTIME (AAEQUAL, "_aaEqual", RT(INT),
 
 /* Used to determine is a key exists in an associative array.  */
 DEF_D_RUNTIME (AAINX, "_aaInX", RT(VOIDPTR),
-	       P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), 0)
+	       P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), ECF_LEAF)
 
 /* Used to retrieve a value from an associative array index by a key.  The
    `Rvalue' variant returns null if the key is not found, where as aaGetY
    will create new key entry for assignment.  */
 DEF_D_RUNTIME (AAGETY, "_aaGetY", RT(VOIDPTR),
 	       P4(POINTER_ASSOCARRAY, CONST_TYPEINFO, SIZE_T, VOIDPTR), 0)
 DEF_D_RUNTIME (AAGETRVALUEX, "_aaGetRvalueX", RT(VOIDPTR),
-	       P4(ASSOCARRAY, CONST_TYPEINFO, SIZE_T, VOIDPTR), 0)
+	       P4(ASSOCARRAY, CONST_TYPEINFO, SIZE_T, VOIDPTR), ECF_LEAF)
 
 /* Used when calling delete on a key entry in an associative array.  */
 DEF_D_RUNTIME (AADELX, "_aaDelX", RT(BOOL),
-	       P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), 0)
+	       P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), ECF_LEAF)
 
 /* Used for throw() expressions.  */
 DEF_D_RUNTIME (THROW, "_d_throw", RT(VOID), P1(OBJECT), ECF_NORETURN)
@@ -206,11 +210,11 @@ DEF_D_RUNTIME (INVARIANT, "_D9invariant12_d_invariantFC6ObjectZv", RT(VOID),
 /* Used when performing a switch/cases on a string.  The `u' and `d' variants
    are for UTF-16 and UTF-32 strings respectively.  */
 DEF_D_RUNTIME (SWITCH_STRING, "_d_switch_string", RT(INT),
-	       P2(ARRAY_STRING, STRING), 0)
+	       P2(ARRAY_STRING, STRING), ECF_LEAF)
 DEF_D_RUNTIME (SWITCH_USTRING, "_d_switch_ustring", RT(INT),
-	       P2(ARRAY_WSTRING, WSTRING), 0)
+	       P2(ARRAY_WSTRING, WSTRING), ECF_LEAF)
 DEF_D_RUNTIME (SWITCH_DSTRING, "_d_switch_dstring", RT(INT),
-	       P2(ARRAY_DSTRING, DSTRING), 0)
+	       P2(ARRAY_DSTRING, DSTRING), ECF_LEAF)
 
 /* Used when throwing an error that a switch statement has no default case,
    and yet none of the existing cases matched.  */