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/SILowerControlFlow.cpp b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
index cd382f5..60a0bc3 100644
--- a/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
@@ -590,9 +590,10 @@
}
bool SILowerControlFlow::runOnMachineFunction(MachineFunction &MF) {
- TII = static_cast<const SIInstrInfo *>(MF.getSubtarget().getInstrInfo());
- TRI =
- static_cast<const SIRegisterInfo *>(MF.getSubtarget().getRegisterInfo());
+ const SISubtarget &ST = MF.getSubtarget<SISubtarget>();
+ TII = ST.getInstrInfo();
+ TRI = &TII->getRegisterInfo();
+
SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
bool HaveKill = false;