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...//////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////// / Date: Wed, 23 Mar 2011 13:52:40 -0400 From: "Justin M. LaPre" <justin at lapre.com> Subject: Re: [LLVMdev] Reversing a function's CFG? To: joshuawarner32 at gmail.com Cc: llvmdev at cs.uiuc.edu Message-ID: <5B806BA1-94DB-4EF0-B526-511F6EDFB28B at gmail.com> Content-Type: text/plain; charset="us-ascii" On Mar 23, 2011, at 12:...

...ot; /usr/lib/libapr-1.la" adding "/usr/lib/libaprutil-1.la" to APR_LTFLAGS setting APR_LIBS to " -lldap -llber -llber -ldb-4.8 -lexpat -ldb-4.8 " adding "-lpthread" to APR_LIBS adding "-ldl" to APR_LIBS setting APR_LDFLAGS to " -L/usr/lib -laprutil-1 " adding "-lapr-1" to APR_LDFLAGS setting CPPFLAGS to " -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE" libapreq2 Version: 2.1.0 configure: creating ./config.status config.status: creating Makefile config.status: creating include/Makefile config.status...

Hello, I have a call to ReplaceInstWithInst(Instruction *From, Instruction *To) inside of a for loop iterating through a BasicBlock::iterator. On the very next pass after I replace the instruction, the iterator appears to be invalidated. Is this supposed to happen or am I doing something silly? Is there a more appropriate way to do this? Thanks, -Justin

On May 7, 2011, at 1:00 PM, llvmdev-request at cs.uiuc.edu wrote: > > Hi Justin, > >> I have a call to ReplaceInstWithInst(Instruction *From, Instruction *To) inside of a for loop iterating through a BasicBlock::iterator. On the very next pass after I replace the instruction, the iterator appears to be invalidated. Is this supposed to happen or am I doing something silly? Is

Hello, I was wondering if there was a quick way to reverse a function's CFG and, in turn, all basic blocks within it. Assuming all variables are globals, is there a quick way to generate a function's reversal? I highly doubt such functionality exists but I figured it was worth asking. I'm trying to develop an "undo function" generator pass that would be able to restore