1) vector shifts
2) vector comparisons
-3) vector fp<->int comparisons: PR2683, PR2684, PR2685, PR2686, PR2688
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+3) vector fp<->int conversions: PR2683, PR2684, PR2685, PR2686, PR2688
+4) bitcasts from vectors to scalars: PR2804
+5) llvm.atomic.cmp.swap.i128.p0i128: PR3462