[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 bugzilla-daemon at cs.uiuc.edu
Tue Aug 30 14:05:06 PDT 2005


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:

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



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