[NFC] Port codegen Thumb2 tests that invoke opt to -passes= syntax

Author: LebedevRI

llvm/test/CodeGen/Thumb2/mve-intrinsics/predicates.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: opt -temporarily-allow-old-pass-syntax -instcombine -mtriple=thumbv8.1m.main %s | llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -o - | FileCheck %s
+; RUN: opt -passes=instcombine -mtriple=thumbv8.1m.main %s | llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -o - | FileCheck %s
 
 declare <16 x i1> @llvm.arm.mve.vctp8(i32)
 declare <8 x i1> @llvm.arm.mve.vctp16(i32)

llvm/test/CodeGen/Thumb2/mve-intrinsics/vadc-multiple.ll

@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: opt -temporarily-allow-old-pass-syntax -instcombine -mtriple=thumbv8.1m.main -S %s | FileCheck --check-prefix=IR %s
-; RUN: opt -temporarily-allow-old-pass-syntax -instcombine -mtriple=thumbv8.1m.main    %s | llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -O3 -o - | FileCheck --check-prefix=ASM %s
+; RUN: opt -passes=instcombine -mtriple=thumbv8.1m.main -S %s | FileCheck --check-prefix=IR %s
+; RUN: opt -passes=instcombine -mtriple=thumbv8.1m.main    %s | llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -O3 -o - | FileCheck --check-prefix=ASM %s
 
 %struct.foo = type { [2 x <4 x i32>] }
 

llvm/test/CodeGen/Thumb2/mve-vpt-from-intrinsics.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: opt -temporarily-allow-old-pass-syntax -instcombine -mtriple=thumbv8.1m.main-none-eabi %s | llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve --verify-machineinstrs -o - | FileCheck %s
+; RUN: opt -passes=instcombine -mtriple=thumbv8.1m.main-none-eabi %s | llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve --verify-machineinstrs -o - | FileCheck %s
 
 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"