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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 | 019a41880836520dec1dd83c909c48a8f42405c8 (patch) | |
| tree | c091ca5f2e074a4386cd30d2b8aff056d75711be /llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | |
| parent | 3d1803495e6c2fcca78ba904afd1110dbf837743 (diff) | |
| download | bcm5719-llvm-019a41880836520dec1dd83c909c48a8f42405c8.tar.gz bcm5719-llvm-019a41880836520dec1dd83c909c48a8f42405c8.zip | |
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.
llvm-svn: 121860
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp')
0 files changed, 0 insertions, 0 deletions
