[LLVMbugs] [Bug 5274] clang: doesn't add noalias attribute for restrict qualifier

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=5274

Pekka Jääskeläinen <pekka.jaaskelainen at tut.fi> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #6 from Pekka Jääskeläinen <pekka.jaaskelainen at tut.fi> 2010-05-17 09:50:29 CDT ---
(In reply to comment #5)
> Does it work for you with trunk?

Yes:


clang test2.c -c -emit-llvm -o - | llvm-dis
...
define i32 @foo(i8* noalias %s) nounwind {
entry:
  %retval = alloca i32, align 4                   ; <i32*> [#uses=2]
  %s.addr = alloca i8*, align 8                   ; <i8**> [#uses=1]
  store i8* %s, i8** %s.addr
  store i32 0, i32* %retval
  %0 = load i32* %retval                          ; <i32> [#uses=1]
  ret i32 %0
}

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