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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1127 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1125 91177308-0d34-0410-b5e6-96231b3b80d8
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* fix minor bug with taking datasize of unsized array type
* Insert code to support speculative changes later
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1122 91177308-0d34-0410-b5e6-96231b3b80d8
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bidirectional approach. Add transforms for more instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1121 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1119 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1118 91177308-0d34-0410-b5e6-96231b3b80d8
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* Implement new peephole:
// Peephole optimize the following instructions:
// %t1 = cast {<...>} * %StructPtr to <ty> *
//
// Into: %t2 = getelementptr {<...>} * %StructPtr, <0, 0, 0, ...>
// %t1 = cast <eltype> * %t1 to <ty> *
This peephole eliminated 9 evil casts in the health benchmark, and
completely turned the addList method around. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1085 91177308-0d34-0410-b5e6-96231b3b80d8
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instructions that are dead
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1084 91177308-0d34-0410-b5e6-96231b3b80d8
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* Fix a problem setting a name on a constant value that died because no symbol table was passed in
* Add some comments describing the passes
* Implement a new peephole:
// Peephole optimize the following instructions:
// %t = cast <T1>* %P to <T2> * ;; If T1 is losslessly convertable to T2
// store <T2> %V, <T2>* %t
//
// Into:
// %t = cast <T2> %V to <T1>
// store <T1> %t2, <T1>* %P
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1080 91177308-0d34-0410-b5e6-96231b3b80d8
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* Convert getelementptr/load pairs into a single load
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1075 91177308-0d34-0410-b5e6-96231b3b80d8
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from the opt directory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1074 91177308-0d34-0410-b5e6-96231b3b80d8
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