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* Duncan deftly points out that readnone functions aren'tChris Lattner2011-01-031-0/+13
| | | | | | | | invalidated by stores, so they can be handled as 'simple' operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122785 91177308-0d34-0410-b5e6-96231b3b80d8
* earlycse can do trivial with-a-block dead store Chris Lattner2011-01-031-0/+10
| | | | | | | | elimination as well. This deletes 60 stores in 176.gcc that largely come from bitfield code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122736 91177308-0d34-0410-b5e6-96231b3b80d8
* now that loads are in their own table, we can implementChris Lattner2011-01-031-0/+9
| | | | | | | | store->load forwarding. This allows EarlyCSE to zap 600 more loads from 176.gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122732 91177308-0d34-0410-b5e6-96231b3b80d8
* add a testcase for readonly call CSEChris Lattner2011-01-031-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122730 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach EarlyCSE to do trivial CSE of loads and read-only calls.Chris Lattner2011-01-031-0/+45
| | | | | | | | | On 176.gcc, this catches 13090 loads and calls, and increases the number of simple instructions CSE'd from 29658 to 36208. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122727 91177308-0d34-0410-b5e6-96231b3b80d8
* add DEBUG and -stats output to earlycse.Chris Lattner2011-01-021-2/+13
| | | | | | | | Teach it to CSE the rest of the non-side-effecting instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122716 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance earlycse to do CSE of casts, instsimplify and die.Chris Lattner2011-01-022-0/+24
Add a testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122715 91177308-0d34-0410-b5e6-96231b3b80d8
generated by cgit v1.1 at 2025-01-12 13:38:52 +0000