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| author | Sanjay Patel <spatel@rotateright.com> | 2016-05-20 14:53:09 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-05-20 14:53:09 +0000 |
| commit | 75892a1543f6a5f2b6180b698b3d99c35681d305 (patch) | |
| tree | bd0b6b37d1fa494897d3697f4a5c4f39d2be9bd2 /clang/lib | |
| parent | ce6f3bdee4bb280aefb13263257f5b9b8d92f183 (diff) | |
| download | bcm5719-llvm-75892a1543f6a5f2b6180b698b3d99c35681d305.tar.gz bcm5719-llvm-75892a1543f6a5f2b6180b698b3d99c35681d305.zip | |
[SimplifyCFG] eliminate switch cases based on known range of switch condition
This was noted in PR24766:
https://llvm.org/bugs/show_bug.cgi?id=24766#c2
We may not know whether the sign bit(s) are zero or one, but we can still
optimize based on knowing that the sign bit is repeated.
Differential Revision: http://reviews.llvm.org/D20275
llvm-svn: 270222
Diffstat (limited to 'clang/lib')
0 files changed, 0 insertions, 0 deletions
