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    • Devang Patel's avatar
      Fix code gen crash reported in PR 8235. We still lose debug info for the... · d3fe5fa5
      Devang Patel authored
      Fix code gen crash reported in PR 8235. We still lose debug info for the unused argument here. This is a known limitation recorded debuginfo-tests/trunk/dbg-declare2.ll function 'f6' test case.
      
      llvm-svn: 115323
      d3fe5fa5
    • Gabor Greif's avatar
      typo · 47a3b8c3
      Gabor Greif authored
      llvm-svn: 115310
      47a3b8c3
    • Chris Lattner's avatar
      fix typo · f08bfdc2
      Chris Lattner authored
      llvm-svn: 115300
      f08bfdc2
    • Chris Lattner's avatar
      a2050558
    • Dale Johannesen's avatar
      Massive rewrite of MMX: · dd224d23
      Dale Johannesen authored
      The x86_mmx type is used for MMX intrinsics, parameters and
      return values where these use MMX registers, and is also
      supported in load, store, and bitcast.
      
      Only the above operations generate MMX instructions, and optimizations
      do not operate on or produce MMX intrinsics. 
      
      MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
      smaller pieces.  Optimizations may occur on these forms and the
      result casted back to x86_mmx, provided the result feeds into a
      previous existing x86_mmx operation.
      
      The point of all this is prevent optimizations from introducing
      MMX operations, which is unsafe due to the EMMS problem.
      
      llvm-svn: 115243
      dd224d23
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