R600: Clear the VPM bit of export instructions.

It makes apparently no change it to set this bit or not but the
docs recommand to left it cleared.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192552 91177308-0d34-0410-b5e6-96231b3b80d8
R600: fix swizzle export

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192553 91177308-0d34-0410-b5e6-96231b3b80d8
R600: Use masked read sel for texture instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192554 91177308-0d34-0410-b5e6-96231b3b80d8
R600/SI: Support byval arguments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192555 91177308-0d34-0410-b5e6-96231b3b80d8
R600/SI: Add SinkingPass before ISel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192556 91177308-0d34-0410-b5e6-96231b3b80d8
R600: improve dump of S_WAITCNT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192557 91177308-0d34-0410-b5e6-96231b3b80d8