[LLVMdev] Dead Store Elimination

[Duncan Sands]

Hi Vinayak,

> Here is the result of optimization using the following passes:
>
> llvm::createBasicAliasAnalysisPass()
> llvm::createInstructionCombiningPass()
> llvm::createReassociatePass()
> llvm::createGVNPass()
> llvm::createCFGSimplificationPass()
>

you should run the mem2reg pass too, and first.

> ; <label>:7                                       ; preds = %openSuccessBB
>    %8 = alloca i64, align 8

Put alloca instructions in the entry block if possible.

Ciao, Duncan.