[clang] [llvm] [X86] Add ACE v1 (AI Compute Extensions) support (PR #208408)

[via cfe-commits]

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+// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown \
+// RUN:   -target-feature +acev1 -target-feature +avx512f \
+// RUN:   -emit-llvm -o - -Wall -Werror | FileCheck %s
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mahesh-attarde wrote:

What is testing purpose in context of ACE?

https://github.com/llvm/llvm-project/pull/208408