[PATCH] D19178: Broaden FoldItoFPtoI to try and establish whether the integer value fits into the float type

[Carlos Liam via llvm-commits]

aarzee updated this revision to Diff 54516.
aarzee added a comment.

Highest possible trailing zeros was off by one (exponent is either unsigned or biased, with non-negative values ranging from 0 to 2^(x - 1), where x is the bit width of the exponent).


http://reviews.llvm.org/D19178

Files:
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  test/Transforms/InstCombine/sitofp.ll

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