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3 Commits

Author SHA1 Message Date
Andrew Trick
48ba0e45ed Reapply r141870, SCEV expansion of post-inc. 
Speculatively reapply to see if this test case still crashes on
linux. I may have fixed it in my last checkin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-13 21:55:29 +00:00
Andrew Trick
753e02ad5d Revert r141870. The test case crashes on linux with data corruption. A deeper issue was exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-13 17:58:24 +00:00
Andrew Trick
b00175913a LSR: Reuse the post-inc expansion of expressions. 
This avoids unnecessary expansion of expressions and allows the SCEV
expander to work on expression DAGs, not just trees.
Fixes PR11090.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-13 17:31:47 +00:00