From 43e92fe306ac1fa4fb36062a458a18a9aed23855 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Fri, 24 Jun 2016 06:30:11 +0000
Subject: 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
---
 llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp')

diff --git a/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
index cd382f5ab26..60a0bc3380e 100644
--- a/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
@@ -590,9 +590,10 @@ bool SILowerControlFlow::indirectDst(MachineInstr &MI) {
 }
 
 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;
-- 
cgit v1.2.3