[PATCH] D106053: [CodeGen] Remove pending AssertZext AssertSext in promoting FP_TO_INT

[Xiang Zhang via Phabricator via llvm-commits]

xiangzhangllvm added inline comments.


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Comment at: llvm/test/CodeGen/X86/tmp/rep.ll:14
+VPlannedBB181vector_func.i7zxzx:                       ; preds = %VPlannedBB181vector_func.i6zxzx
+  %i376 = fptoui <8 x float> %i375 to <8 x i8>
+  %i377 = fmul <8 x float> %2, <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
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craig.topper wrote:
> xiangzhangllvm wrote:
> > craig.topper wrote:
> > > Or is it this fptoui that overflowed?
> > Yes, It is. We can't control the load value of %1 %2
> Where did it come from? Does the program fail -fsanitize=undefined?
It come from a long way: a lot of fmul and fadd operations, also include calling some function.
What is the llc option "-fsanitize=undefined" corresponding to ?    It is a OCL project with a log of cl files. It is much easy for me to use llc option. 


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  https://reviews.llvm.org/D106053/new/

https://reviews.llvm.org/D106053