[LLVMbugs] [Bug 621] linear scan register allocator not considering register aliases for fixed-reg conflicts [regression from 1.5]

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=621

sabre at nondot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
          Component|llc                         |Common Code Generator Code
           Keywords|                            |miscompilation
         OS/Version|Linux                       |All
            Product|tools                       |libraries
           Platform|PC                          |All
         Resolution|                            |FIXED
            Summary|llc -march=x86 output seems |linear scan register
                   |broken                      |allocator not considering
                   |                            |register aliases for fixed-
                   |                            |reg conflicts [regression
                   |                            |from 1.5]
   Target Milestone|---                         |1.6



------- Additional Comments From sabre at nondot.org  2005-08-30 16:05 -------
Fixed.  Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050829/028029.html

Testcase here: Regression/CodeGen/X86/2005-08-30-RegAllocAliasProblem.ll

Thanks!

-Chris



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