AMDGPU: Add new subtarget features for gfx9 flat instructions

Flat instructions gain an immediate offset, and 2 new
sets of segment specific flat instructions are added.

llvm-svn: 302729

1 files changed, 15 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
index a5cda817ac1..bed7d326b3d 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -145,6 +145,9 @@ protected:
   bool HasSDWA;
   bool HasDPP;
   bool FlatAddressSpace;
+  bool FlatInstOffsets;
+  bool FlatGlobalInsts;
+  bool FlatScratchInsts;
   bool R600ALUInst;
   bool CaymanISA;
   bool CFALUBug;
@@ -380,6 +383,18 @@ public:
     return FlatAddressSpace;
   }
 
+  bool hasFlatInstOffsets() const {
+    return FlatInstOffsets;
+  }
+
+  bool hasFlatGlobalInsts() const {
+    return FlatGlobalInsts;
+  }
+
+  bool hasFlatScratchInsts() const {
+    return FlatScratchInsts;
+  }
+
   bool isMesaKernel(const MachineFunction &MF) const {
     return isMesa3DOS() && !AMDGPU::isShader(MF.getFunction()->getCallingConv());
   }