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tp52111p52211
2012 Dec 04
0
[LLVMdev] Which transform passes to apply?
Hi Josh,
On 04/12/12 06:23, Josh Klontz wrote:
> Thanks Duncan, GVN/EarlyCSE worked as suggested. Any pointers on how to
> optimize out:
> %accumulate = fadd double %6, 0.000000e+00
instcombine, however this transform is only correct if you are adding -0.0
so you won't get it without "fast math", and in 3.2 I think it will only be
done by codegen (llc). The situation
2012 Dec 04
3
[LLVMdev] Which transform passes to apply?
Thanks Duncan, GVN/EarlyCSE worked as suggested. Any pointers on how to
optimize out:
%accumulate = fadd double %6, 0.000000e+00
Using the 3.1 release and the C++ API, I can't figure out how
FPMathOperator, TargetOptions, nor IRBuilder::SetDefaultFPMathTag work. I
also don't see any floating point math transformation passes. I did see
IRBuilder::SetFastMathFlags, do I need to update to