[RISCV] Fix a warning
THis patch fixes:
llvm/lib/Target/RISCV/RISCVVMV0Elimination.cpp:91:29: error: unused
variable 'TRI' [-Werror,-Wunused-variable]
diff --git a/llvm/lib/Target/RISCV/RISCVVMV0Elimination.cpp b/llvm/lib/Target/RISCV/RISCVVMV0Elimination.cpp
index a2daa19..efd92c5 100644
--- a/llvm/lib/Target/RISCV/RISCVVMV0Elimination.cpp
+++ b/llvm/lib/Target/RISCV/RISCVVMV0Elimination.cpp
@@ -88,12 +88,12 @@
return false;
MachineRegisterInfo &MRI = MF.getRegInfo();
- const TargetRegisterInfo *TRI = MRI.getTargetRegisterInfo();
const TargetInstrInfo *TII = ST->getInstrInfo();
#ifndef NDEBUG
// Assert that we won't clobber any existing reads of v0 where we need to
// insert copies.
+ const TargetRegisterInfo *TRI = MRI.getTargetRegisterInfo();
ReversePostOrderTraversal<MachineBasicBlock *> RPOT(&*MF.begin());
for (MachineBasicBlock *MBB : RPOT) {
bool V0Clobbered = false;
