AMDGPU: Cleanup subtarget handling.
Split AMDGPUSubtarget into amdgcn/r600 specific subclasses.
This removes most of the static_casting of the basic codegen
classes everywhere, and tries to restrict the features
visible on the wrong target.
llvm-svn: 273652
diff --git a/llvm/lib/Target/AMDGPU/R600ExpandSpecialInstrs.cpp b/llvm/lib/Target/AMDGPU/R600ExpandSpecialInstrs.cpp
index 211d392e..81219ae 100644
--- a/llvm/lib/Target/AMDGPU/R600ExpandSpecialInstrs.cpp
+++ b/llvm/lib/Target/AMDGPU/R600ExpandSpecialInstrs.cpp
@@ -29,7 +29,6 @@
namespace {
class R600ExpandSpecialInstrsPass : public MachineFunctionPass {
-
private:
static char ID;
const R600InstrInfo *TII;
@@ -66,7 +65,8 @@
}
bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) {
- TII = static_cast<const R600InstrInfo *>(MF.getSubtarget().getInstrInfo());
+ const R600Subtarget &ST = MF.getSubtarget<R600Subtarget>();
+ TII = ST.getInstrInfo();
const R600RegisterInfo &TRI = TII->getRegisterInfo();