Reapply 5ec23863 "Reapply db289340 "[IndVars] Pass TTI to replaceCongruentIVs""

This reverts commit 7cd273c3.

Several patches with tests fixes have been applied:
0cada82f "[Test] Remove incorrect test in GVN"
97cb1361 "[Test] Separate IndVars test into AArch64 and X86 parts"
985cc490 "[Test] Remove separated test in IndVars",
and test failures caused by 5ec23863 should be resolved now.