Add the --verify-machineinstrs option to make sure the BuildMI calls are correct.

Author: heiher

llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp

@@ -5762,7 +5762,7 @@ emitPseudoVMSKCOND(MachineInstr &MI, MachineBasicBlock *BB,
     Register Lo = MRI.createVirtualRegister(&LoongArch::GPRRegClass);
     Register Hi = MRI.createVirtualRegister(&LoongArch::GPRRegClass);
     BuildMI(*BB, MI, DL, TII->get(LoongArch::XVPICKVE2GR_WU), Lo)
-        .addReg(Msk, RegState::Kill)
+        .addReg(Msk)
         .addImm(0);
     BuildMI(*BB, MI, DL, TII->get(LoongArch::XVPICKVE2GR_WU), Hi)
         .addReg(Msk, RegState::Kill)

llvm/test/CodeGen/LoongArch/lasx/xvmskcond.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc --mtriple=loongarch64 --mattr=+lasx < %s | FileCheck %s
+; RUN: llc --mtriple=loongarch64 --mattr=+lasx --verify-machineinstrs < %s | FileCheck %s
 
 define i32 @xmsk_eq_allzeros_i8(<32 x i8 > %a) {
 ; CHECK-LABEL: xmsk_eq_allzeros_i8:

llvm/test/CodeGen/LoongArch/lsx/vmskcond.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s
+; RUN: llc --mtriple=loongarch64 --mattr=+lsx --verify-machineinstrs < %s | FileCheck %s
 
 define i16 @vmsk_eq_allzeros_i8(<16 x i8 > %a) {
 ; CHECK-LABEL: vmsk_eq_allzeros_i8: