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- teach DifferenceEngine to unify successors of calls and invokes
in certain circumstances
- basic blocks actually don't have their own numbering; did that change?
- add llvm-diff to the Makefile and CMake build systems
llvm-svn: 111909
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llvm-svn: 109774
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it establishes a context and does a complaining diff. Also make sure we
unify the prelude and postlude of a diff after a block-diff call.
llvm-svn: 109744
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structurally identical.
llvm-svn: 109743
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any differences we see. This should only happen if there are "non-structural"
differences between the instructions, i.e. differences which wouldn't cause
diff to return true.
llvm-svn: 109742
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in despite not ever incrementing any path costs, so that the only nonzero costs
arose from the all-left path in the first column. Anyway. Perform the diff
starting from the beginning of the block to avoid capturing (say) loads of
allocas.
Vastly improves diff results on code that hasn't been mem2reg'ed.
llvm-svn: 109741
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llvm-svn: 109740
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diff of a function. There's a lot of cruft in the current version, and
it's pretty far from perfect, but it's usable.
Currently only capable of comparing functions. Currently ignores metadata.
Currently ignores most attributes of functions and instructions.
Patches welcome.
llvm-svn: 109739
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