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| author | Duncan Sands <baldrick@free.fr> | 2010-12-15 11:02:22 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2010-12-15 11:02:22 +0000 |
| commit | f8b1a5ea9602bb65a5cf59d3d34f2851a08cdc3e (patch) | |
| tree | 84b2278fe9881c470e4caacd102f786ab0952be0 /lib/Transforms/InstCombine/InstCombineAddSub.cpp | |
| parent | 26e097ca4bdb31000655ff9ec39fe7d9b7ea226d (diff) | |
If we detect that the instruction we are simplifying is unreachable, arrange for
it to be replaced by undef rather than not replaced at all, the idea being that
this may reduce the amount of work done by whoever called InstructionSimplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121860 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineAddSub.cpp')
0 files changed, 0 insertions, 0 deletions