AMDGPU/GCN: Bring processors in sync with AMDGPUUsage

  - Add gfx704
    - Change bonaire to gfx704
  - Remove gfx804
  - Remove gfx901
  - Remove gfx903

Differential Revision: https://reviews.llvm.org/D40046

llvm-svn: 320194
diff --git a/llvm/test/CodeGen/AMDGPU/scratch-simple.ll b/llvm/test/CodeGen/AMDGPU/scratch-simple.ll
index a579844..238bcc5 100644
--- a/llvm/test/CodeGen/AMDGPU/scratch-simple.ll
+++ b/llvm/test/CodeGen/AMDGPU/scratch-simple.ll
@@ -1,5 +1,5 @@
 ; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=verde -mattr=+vgpr-spilling -verify-machineinstrs < %s | FileCheck --check-prefix=GCN --check-prefix=SI %s
-; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx804 -mattr=-flat-for-global -mattr=+vgpr-spilling -verify-machineinstrs < %s | FileCheck --check-prefix=GCN --check-prefix=SI %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx803 -mattr=-flat-for-global -mattr=+vgpr-spilling -verify-machineinstrs < %s | FileCheck --check-prefix=GCN --check-prefix=SI %s
 ; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -mattr=-flat-for-global -mattr=+vgpr-spilling -verify-machineinstrs < %s | FileCheck --check-prefix=GCN --check-prefix=GFX9 %s
 
 ; This used to fail due to a v_add_i32 instruction with an illegal immediate