[lit] Add --show-unsupported flag to LIT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213227 91177308-0d34-0410-b5e6-96231b3b80d8
Fix Typo (first commit to test commit access)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213228 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Short circuit alloca check if address space isn't private.

Skip calling GetUnderlyingObject in cases where it obviously
isn't from an alloca. This should only be a compile time improvement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213229 91177308-0d34-0410-b5e6-96231b3b80d8
Use range for

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213230 91177308-0d34-0410-b5e6-96231b3b80d8
Move ashr optimization from InstCombineShift to InstSimplify.
Refactor code, no functionality change, test case moved from instcombine to instsimplify.

Differential Revision: http://reviews.llvm.org/D4102
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213231 91177308-0d34-0410-b5e6-96231b3b80d8