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6db2ad6004
Around 10 year ago Chris limited this code to a single iteration by just dropping a break into the loop body. We now make the number of trim iterations a compile time constant to be able to play with it and see if this can improve the bugpoint results. We currently use with '3' still a small and conservative value, but this can be adjusted in the future, if needed. I tried to look for a trivial test case, but did not succeed yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243247 91177308-0d34-0410-b5e6-96231b3b80d8