[LLVMdev] sitofp (original) (raw)

Pan, Wei wei.pan at intel.com
Mon Jan 19 17:41:26 PST 2015

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Hello,

Just wondering if it is correct to fold sitofp(zext(X)) into uitofp(X). The following code is out of clang

%1 = zext i8 to i32 %2 = sitofp i32 %1 to float

It seems InstCombine does not match this case.

Thanks, Wei

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