Displaying 1 result from an estimated 1 matches for "1909ff".
Did you mean:
1909
2011 Jan 03
1
[LLVMdev] Erasing dead blocks
Dear LLVM developers,
I have a question regarding the IPSCCP class and the handling of dead blocks:
The file lib/Transforms/Scalar/SCCP.cpp of llvm 2.8 from contains some
code to deal with a dead block which could not be folded (line
1909ff). This happens when a user of this dead block is a branch or
switch with an undef condition. The action taken than is to replace
this terminator with an unconditional branch to the first successor of
this undef branch/switch.
I do not see how this ensures that the dead block is disconnected from
th...