{
outer_type
= TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (base_pointer)));
+ cgraph_node *node = cgraph_node::get (current_function_decl);
gcc_assert (TREE_CODE (outer_type) == RECORD_TYPE
|| TREE_CODE (outer_type) == UNION_TYPE);
+ /* Handle the case we inlined into a thunk. In this case
+ thunk has THIS pointer of type bar, but it really receives
+ address to its base type foo which sits in bar at
+ 0-thunk.fixed_offset. It starts with code that adds
+ think.fixed_offset to the pointer to compensate for this.
+
+ Because we walked all the way to the begining of thunk, we now
+ see pointer &bar-thunk.fixed_offset and need to compensate
+ for it. */
+ if (node->thunk.fixed_offset)
+ offset -= node->thunk.fixed_offset * BITS_PER_UNIT;
+
/* Dynamic casting has possibly upcasted the type
in the hiearchy. In this case outer type is less
informative than inner type and we should forget
if ((otr_type
&& !contains_type_p (outer_type, offset,
otr_type))
- || !contains_polymorphic_type_p (outer_type))
+ || !contains_polymorphic_type_p (outer_type)
+ /* If we compile thunk with virtual offset, the THIS pointer
+ is adjusted by unknown value. We can't thus use outer info
+ at all. */
+ || node->thunk.virtual_offset_p)
{
outer_type = NULL;
if (instance)
maybe_in_construction = false;
}
if (instance)
- *instance = base_pointer;
+ {
+ /* If method is expanded thunk, we need to apply thunk offset
+ to instance pointer. */
+ if (node->thunk.virtual_offset_p
+ || node->thunk.fixed_offset)
+ *instance = NULL;
+ else
+ *instance = base_pointer;
+ }
return;
}
/* Non-PODs passed by value are really passed by invisible
HOST_WIDE_INT instance_offset = offset;
tree instance_outer_type = outer_type;
+ if (!instance)
+ return false;
+
if (otr_type)
otr_type = TYPE_MAIN_VARIANT (otr_type);
--- /dev/null
+/* { dg-options "-O3 -fdump-tree-dom3" } */
+struct nsISupports
+{
+ virtual int QueryInterface (const int &aIID, void **aInstancePtr) = 0;
+ virtual __attribute__((noinline, noclone)) unsigned AddRef (void) = 0;
+ virtual unsigned Release (void) = 0;
+};
+
+struct nsIObserver : public nsISupports
+{
+ virtual int Observe (nsISupports * aSubject, const char *aTopic, const unsigned short *aData) = 0;
+};
+
+struct nsISupportsWeakReference : public nsISupports
+{
+ virtual int GetWeakReference (void **_retval) = 0;
+};
+
+struct nsSupportsWeakReference : public nsISupportsWeakReference
+{
+ nsSupportsWeakReference () : mProxy (0) {}
+ virtual int GetWeakReference (void **_retval) override { return 0; }
+ ~nsSupportsWeakReference () {}
+ void NoticeProxyDestruction () { mProxy = nullptr; }
+ void *mProxy;
+ void ClearWeakReferences ();
+ bool HasWeakReferences () const { return !!mProxy; }
+};
+
+struct mozIPersonalDictionary : public nsISupports
+{
+ virtual int Load (void) = 0;
+ virtual int Save (void) = 0;
+ virtual int GetWordList (void **aWordList) = 0;
+ virtual int Check (const int &word, bool * _retval) = 0;
+ virtual int AddWord (const int &word) = 0;
+ virtual int RemoveWord (const int &word) = 0;
+ virtual int IgnoreWord (const int &word) = 0;
+ virtual int EndSession (void) = 0;
+};
+
+struct mozPersonalDictionary final
+ : public mozIPersonalDictionary, public nsIObserver, public nsSupportsWeakReference
+{
+ virtual int QueryInterface (const int &aIID, void **aInstancePtr) override;
+ virtual __attribute__((noinline, noclone)) unsigned AddRef (void) override;
+ virtual unsigned Release (void) override;
+ unsigned long mRefCnt;
+ virtual int Load (void) override { return 0; }
+ virtual int Save (void) override { return 0; }
+ virtual int GetWordList (void **aWordList) override { return 0; }
+ virtual int Check (const int &word, bool * _retval) override { return 0; }
+ virtual int AddWord (const int &word) override { return 0; }
+ virtual int RemoveWord (const int &word) override { return 0; }
+ virtual int IgnoreWord (const int &word) override { return 0; }
+ virtual int EndSession (void) override { return 0; }
+ virtual int Observe (nsISupports * aSubject, const char *aTopic, const unsigned short *aData) override { return 0; }
+ mozPersonalDictionary () : mRefCnt(0) {}
+ int Init () { return 0; }
+ virtual ~mozPersonalDictionary () {}
+ bool mIsLoaded;
+ bool mSavePending;
+ void *mFile;
+ char mMonitor[96];
+ char mMonitorSave[96];
+ char mDictionaryTable[32];
+ char mIgnoreTable[32];
+};
+
+unsigned
+mozPersonalDictionary::AddRef (void)
+{
+ unsigned count = ++mRefCnt;
+ return count;
+}
+
+unsigned
+mozPersonalDictionary::Release (void)
+{
+ unsigned count = --mRefCnt;
+ if (count == 0)
+ {
+ mRefCnt = 1;
+ delete (this);
+ return 0;
+ }
+ return count;
+}
+
+int
+mozPersonalDictionary::QueryInterface (const int &aIID, void **aInstancePtr)
+{
+ nsISupports *foundInterface;
+ if (aIID == 122)
+ foundInterface = static_cast <mozIPersonalDictionary *>(this);
+ else
+ foundInterface = static_cast <nsISupportsWeakReference *>(this);
+ int status;
+ foundInterface->AddRef ();
+ *aInstancePtr = foundInterface;
+ return status;
+}
+
+__attribute__((noipa)) int
+foo (nsISupports *p, const int &i)
+{
+ void *q;
+ return p->QueryInterface (i, &q);
+}
+
+int
+main ()
+{
+ mozPersonalDictionary m;
+ int j = 123;
+ for (int i = 0; i < 100000; i++)
+ foo (static_cast <nsISupportsWeakReference *>(&m), j);
+ if (m.mRefCnt != 100000)
+ __builtin_abort ();
+}
+
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times 3 "folding virtual function call to virtual unsigned int mozPersonalDictionary::_ZThn16" "dom3" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times 3 "folding virtual function call to virtual unsigned int mozPersonalDictionary::AddRef" "dom3" } } */
projects / gcc.git / commitdiff