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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@697 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
3.1 KiB
Plaintext
63 lines
3.1 KiB
Plaintext
* grep '[A-Za-z][A-Za-z]*\*)' `./getsrcs.sh ` | & less
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* Need to implement getelementptr, load, and store for indirection through
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arrays and multidim arrays
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* Indirect calls should use the icall instruction
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* Rewrite the llvm parser/lexer in http://www.antlr.org when time permits.
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They actually do C++. Imagine that.
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* Need to implement constant propogation of cast instructions!
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* Fix DCE to elminate br <c>, %L1, %L1 so that it can optimize the main of
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fib.ll better. Currently I have to do this to get best results:
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as < fib.ll | opt -inline -sccp -dce -sccp -dce |dis
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* fix the constprop br <x> <dst1> <dst1> case. Must handle PHI nodes correctly
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* Fix DCE to work better, so that SCCP can show it's true value.
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* Implement ADCE
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* Fix the const pool printer to print out constants in some sort of "sorted"
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order. Then enable TestOptimizer.sh to diff -sccp output. Currently it
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doesn't work because the diff fails because of ordering of the constant
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pool. :(
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* Should provide "castTerminator, castPHI, etc" functions in Instruction, and
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similar functions in other classes, that effectively do dynamic casts. This
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would allow code like this:
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if (I->isTerminator()) {
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TerminatorInst *TI = (TerminatorInst*)I;
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...
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}
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to be written as:
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if (TerminatorInst *TI = I->castTerminatorInst()) {
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...
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}
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* Think about whether edge split SSA form would be useful to do.
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* Inlining should attempt to give block names the same name in the inlined
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method (using SymbolTable::getUniqueName)
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* The dropAllReferences code can be a noop when NDEBUG!!!
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* Finish xvcg output
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* pred/succ iterators on basic blocks don't handle switch statements correctly
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* Provide a pass that eliminates critical edges from the CFG
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* I need to provide an option to the bytecode loader to ignore memory
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dependance edges. Instead, the VM would just treat memory operations
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(load, store, getfield, putfield, call) as pinned instructions.
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* Need a way to attach bytecode block info at various levels of asm code.
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* Recognize and save comments in assembly and bytecode format
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* Encode line number table in bytecode (like #line), optional table
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* Encode negative relative offsets in the bytecode file
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* Implement switch to switch on a constant pool array of type:
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[{ label, int }] or [label] (lookup vs index switch)
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* Apparently bison has a %pure_parser option. Maybe useful for Assembly/Parser
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* Implement a header file that can read either assembly or bytecode, implement
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a writer that can output either based on what is read with this reader..
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* Implement the following derived types:
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* pointer int *
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* "packed format", like this: [4 x sbyte]: Packed SIMD datatype
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* Maybe 'tailcall' also?
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* Include a method level bytecode block that defines a mapping between values
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and registers that defines a minimally register allocated code. This can
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make me finally address how to encode extensions in assembly.
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* Bytecode reader should use extensions that may or may not be linked into the
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application to read blocks. Thus an easy way to ignore symbol table info
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would be to not link in that reader into the app.
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