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4 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
56e3232d5a Handle IMPLICIT_DEF instructions in X86FloatingPoint. 
This fixes PR10575.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136787 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-03 16:33:19 +00:00
Jakob Stoklund Olesen
8a3eab9b20 Remove the local register allocator. 
Please use the fast allocator instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:58:33 +00:00
Jakob Stoklund Olesen
82b07dc499 Simplify the tracking of used physregs to a bulk bitor followed by a transitive 
closure after allocating all blocks.

Add a few more test cases for -regalloc=fast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:30:28 +00:00
Chris Lattner
ba3598cb1f fix PR4767, a crash because fp stackifier visited blocks in 
depth first order, so it wouldn't process unreachable blocks.
When compiling at -O0, late dead block elimination isn't done
and the bad instructions got to isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81187 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 04:55:44 +00:00