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| author | Duncan Sands <baldrick@free.fr> | 2012-03-09 13:45:18 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2012-03-09 13:45:18 +0000 |
| commit | cca89124a2a9300b2d68b42996ebc14b8d7c2fe0 (patch) | |
| tree | a0de279a8eb937a3a54c4287d78b369c38990ef4 /llvm/utils/TableGen/StringMatcher.h | |
| parent | 1f5568c55f35b3b8ab2376aca2242673a1d575ab (diff) | |
| download | bcm5719-llvm-cca89124a2a9300b2d68b42996ebc14b8d7c2fe0.tar.gz bcm5719-llvm-cca89124a2a9300b2d68b42996ebc14b8d7c2fe0.zip | |
Eliminate switch cases that can never match, for example removes all
negative switch cases if the branch condition is known to be positive.
Inspired by a recent improvement to GCC's VRP.
llvm-svn: 152405
Diffstat (limited to 'llvm/utils/TableGen/StringMatcher.h')
0 files changed, 0 insertions, 0 deletions
