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block_set
2011 Dec 14
2
[LLVMdev] Generating superblocks (SEME regions w/o loops and calls) in LLVM
...r definition of superblocks).
This is necessary to get the largest piece of IR in which the memory
operations can be enumerated in order to record the addresses of the
memory accesses into a fixed-size buffer.
So far I was using my home-brewed structure to hold the superblocks:
struct SBlock {
BlockSet blocks;
llvm::BasicBlock *entry;
BlockSet exits;
InstSet mops_to_instrument;
int num_mops;
SBlock() : num_mops(0) {}
};
and several functions that split basic blocks to eliminate calls from
them, traverse the call graph and create the SBlock instances from the
basic blocks.
Now I want t...