Revert r320049, r320014 and r319894
They were causing failures of the piglit OpenGL tests with AMD GPUs using the
Mesa radeonsi driver.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320466 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed