Revert "Reapply "[CGP] Check for existing inttotpr before creating new one""

This reverts commit r351618.

Compiler RT + ASAN tests are failing for PowerPC. Not sure
how would I reproduce these on macOS, so reverting (again)
until I do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351619 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed