Some tests failed for NVPTX target, but it seems that NVPTX will be fixed and the tests will pass. So, just mark the tests as XFAIL Differential Revision: https://reviews.llvm.org/D124125
Remove DBG_LABELs in LiveDebugVariables and generate them in VirtRegRewriter. This bug is reported in https://bugs.chromium.org/p/chromium/issues/detail?id=898152. Differential Revision: https://reviews.llvm.org/D54465 llvm-svn: 351525