1
0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-30 02:32:08 +00:00
Commit Graph

3 Commits

Author SHA1 Message Date
Benjamin Kramer
3ff25514ce Don't emit a bit test if there is only one case the test can yield false. A simple SETNE is sufficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135126 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14 01:38:42 +00:00
Evan Cheng
d08e5b48bc Avoid zero extend bit test operands to pointer type if all the masks fit in
the original type of the switch statement key.
rdar://8781238


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-06 01:02:44 +00:00
Dan Gohman
8e0163ac1e Optimize the "bit test" code path for switch lowering in the
case where the bit mask has exactly one bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24 02:06:24 +00:00