Displaying 1 result from an estimated 1 matches for "75d77f4a".
2017 Aug 17
4
unable to emit vectorized code in LLVM IR
I assume compiler knows that your only have 2 input values that you just
added together 1000 times.
Despite the fact that you stored to a[i] and b[i] here, nothing reads them
other than the addition in the same loop iteration. So the compiler easily
removed the a and b arrays. Same with 'c', it's not read outside the loop
so it doesn't need to exist. So the compiler turned your