Removed the redundant checks.

Author: ukalappa-mips

llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp

@@ -587,8 +587,7 @@ bool RISCVRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
                (Lo12 & 0b11111) != 0) {
       // Prefetch instructions require the offset to be 32 byte aligned.
       MI.getOperand(FIOperandNum + 1).ChangeToImmediate(0);
-    } else if (Opc == RISCV::MIPS_PREFETCH && Subtarget.hasVendorXMIPSCBOP() &&
-               !isUInt<9>(Val)) {
+    } else if (Opc == RISCV::MIPS_PREFETCH && !isUInt<9>(Val)) {
       // MIPS Prefetch instructions require the offset to be 9 bits encoded.
       MI.getOperand(FIOperandNum + 1).ChangeToImmediate(0);
     } else if ((Opc == RISCV::PseudoRV32ZdinxLD ||

llvm/test/CodeGen/RISCV/xmips-cbop.ll

@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc -mtriple=riscv32 -mattr=+xmipscbop -mattr=+m -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+xmipscbop  -verify-machineinstrs < %s \
 ; RUN:   | FileCheck %s -check-prefix=RV32XMIPSPREFETCH
-; RUN: llc -mtriple=riscv64 -mattr=+xmipscbop -mattr=+m -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+xmipscbop  -verify-machineinstrs < %s \
 ; RUN:   | FileCheck %s -check-prefix=RV64XMIPSPREFETCH
 
 define void @prefetch_data_read(ptr noundef %ptr) nounwind {