Commit Graph

1 Commits

Author SHA1 Message Date
Evan Cheng fbdd25c135 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 

llvm-svn: 161451
2012-08-07 22:21:00 +00:00