6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-22 13:29:44 +00:00
Code Issues Projects Releases Wiki Activity

add a case we fail to devirt.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118608 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-11-09 19:37:28 +00:00
parent 16cb3763c5
commit 274191fa70
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/Target/README.txt
View File

@ -1963,3 +1963,23 @@ bb3: ; preds = %entry
ret i32 %b ret i32 %b
} }
//===---------------------------------------------------------------------===// //===---------------------------------------------------------------------===//
clang -O3 fails to devirtualize this virtual inheritance case: (GCC PR45875)
struct c1 {};
struct c10 : c1{
virtual void foo ();
};
struct c11 : c10, c1{
virtual void f6 ();
};
struct c28 : virtual c11{
void f6 ();
};
void check_c28 () {
c28 obj;
c11 *ptr = &obj;
ptr->f6 ();
}
//===---------------------------------------------------------------------===//