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| author | Dan Gohman <gohman@apple.com> | 2009-02-15 23:59:32 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-02-15 23:59:32 +0000 |
| commit | 97d116346cdf47ce0c8536a69ff6c606309cb4c0 (patch) | |
| tree | 4c66333d17b3415da1f8ef940e2bf00aa32807ce /lib/CodeGen/MachineDominators.cpp | |
| parent | 35188eb54db0df31a11bc2227292170d987efe1a (diff) | |
Don't assume that a left-shift of a value with one bit set will have
one bit set, because the bit may be shifted off the end. Instead,
just check for a constant 1 being shifted. This is still sufficient
to handle all the cases in test/CodeGen/X86/bt.ll. This fixes PR3583.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64622 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineDominators.cpp')
0 files changed, 0 insertions, 0 deletions