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a731c9fac9
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3 Commits

Author SHA1 Message Date
Chris Lattner
a731c9fac9 more flags set right 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45860 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-11 07:18:17 +00:00
Chris Lattner
ba7e756c22 Start inferring side effect information more aggressively, and fix many bugs in the 
x86 backend where instructions were not marked maystore/mayload, and perf issues where
instructions were not marked neverHasSideEffects.  It would be really nice if we could
write patterns for copy instructions.

I have audited all the x86 instructions down to MOVDQAmr.  The flags on others and on
other targets are probably not right in all cases, but no clients currently use this
info that are enabled by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45829 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 07:59:24 +00:00
Chris Lattner
36fe6d2f80 rename X86InstrX86-64.td -> X86Instr64bit.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45826 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:50:42 +00:00