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82fec4e31d
in the size calculation. This is not something you want to see: Loop Unroll: F[main] Loop %no_exit Loop Size = 2 Trip Count = 2147483648 - UNROLLING! The problem was that 2*2147483648 == 0. Now we get: Loop Unroll: F[main] Loop %no_exit Loop Size = 2 Trip Count = 2147483648 - TOO LARGE: 4294967296>100 Thanks to some anonymous person playing with the demo page that repeatedly caused zion to go into swapping land. That's one way to ensure you'll get a quick bugfix. :) Testcase here: Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13564 91177308-0d34-0410-b5e6-96231b3b80d8
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