AMDGPU: Bring processors and features in sync with the spec

- Remove gfx800
- Make iceland gfx802
- Add xnack to gfx902

Differential Revision: https://reviews.llvm.org/D43355

llvm-svn: 325393
diff --git a/llvm/test/CodeGen/AMDGPU/scalar-branch-missing-and-exec.ll b/llvm/test/CodeGen/AMDGPU/scalar-branch-missing-and-exec.ll
index 70ee24f..68bbf24 100644
--- a/llvm/test/CodeGen/AMDGPU/scalar-branch-missing-and-exec.ll
+++ b/llvm/test/CodeGen/AMDGPU/scalar-branch-missing-and-exec.ll
@@ -1,6 +1,6 @@
 ; RUN: llc -march=amdgcn -mcpu=gfx600 -verify-machineinstrs < %s | FileCheck %s
 ; RUN: llc -march=amdgcn -mcpu=gfx700 -verify-machineinstrs < %s | FileCheck %s
-; RUN: llc -march=amdgcn -mcpu=gfx800 -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -march=amdgcn -mcpu=gfx802 -verify-machineinstrs < %s | FileCheck %s
 ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck %s
 
 ; This checks for a bug where uniform control flow can result in multiple