Fix up an unused variable warning caused by TRI->isVirtualRegister() -> Register...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367637 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp b/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
index 113e5a32264161c3c1f5e08744bba0accbc1f8b6..6d9cecbfb7dc62ed86fb4e6039069ba896ab7105 100644 (file)
--- a/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
+++ b/lib/Target/AMDGPU/AMDGPUMachineCFGStructurizer.cpp
@@ -1016,6 +1016,8 @@ bool LinearizedRegion::hasNoDef(unsigned Reg, MachineRegisterInfo *MRI) {
 // before are no longer register kills.
 void LinearizedRegion::removeFalseRegisterKills(MachineRegisterInfo *MRI) {
   const TargetRegisterInfo *TRI = MRI->getTargetRegisterInfo();
+  (void)TRI; // It's used by LLVM_DEBUG.
+
   for (auto MBBI : MBBs) {
     MachineBasicBlock *MBB = MBBI;
     for (auto &II : *MBB) {