Commit Graph

1 Commits

Author SHA1 Message Date
Evan Cheng
b64dd5f2b5 X86 cmp lowering is looking past truncate on the condition node. It should only
do so when the high bits are known zero. This caused a subtle miscompilation.

rdar://12027825 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161451 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07 22:21:00 +00:00