[clang] [lld] [llvm] [ARM][NFC] Fix invalid target triples in tests (PR #213588)

[Peter Smith via cfe-commits]

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@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -mtriple=thumbv8.1m.main -mattr=+mve %s -S -loop-reduce -o - | FileCheck %s
 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
-target triple = "thumbv8.1m-arm-none-eabi"
+target triple = "thumbv8.1m.main-arm-none-eabi"
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smithp35 wrote:

Can we remove the `arm` vendor here to make `thumbv8.1m.main-none-eabi`

Arm's proprietary compiler armclang used an `arm` vendor triple and this sometimes leaked when upstreaming tests.

https://github.com/llvm/llvm-project/pull/213588