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Brian Gaeke
4f70b63ebc
Make GEPs not suck so much:
* Don't emit the Index * ElementSize multiply if Index is a constant. * Use a shift, not a multiply, if ElementSize is 1/2/4/8. * If ElementSize fits in the immediate field of SMUL, then put it there. Fix a bug where struct offsets might be truncated (ConstantSInt::get is now used instead of ConstantInt::get). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18792 91177308-0d34-0410-b5e6-96231b3b80d8
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