[LLVMdev] Weird memory bug
sabre at nondot.org
Tue Mar 14 11:42:42 PST 2006
On Sat, 24 Dec 2005, Alexander Friedman wrote:
> After running through bugpoint, I get this reduced function
> You can reproduce the problem with:
> opt bugpoint-reduced-function.bc -break-crit-edges -adce -verify
> Bugpoint is currently trying to narrow down which block breaks this,
> but is so far failing. It seems to be running out of memory rather
> than failing on a particular block.
> This is on freebsd 5.4, X86, llvm is compiled with gcc 3.4.2
BTW, Nate recently commited a fix for this issue:
"Implemented postdom based on Lengauer and Tarjan implementation in
forward dom. Speeds up this testcase from 32.8 to 0.8 seconds on my G5,
drops memory requirement from 496MB to 26MB."
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