search for: pr4734

I normally use bugpoint to debug code gen crashes. I am having a harder time using it to reduce an invalid code generation. The code I want to reduce is the testcase of llvm.org/PR4734 With some help from nick the best so far is bugpoint -loop-rotate --append-exit-code --llc-safe opt1.bc -Xlinker -lstdc++ bugpoint will acknowledge that there is a problem, but instead of doing a regular reduce as it would with a crash it tries to split the file and fails to reduce the test that...