[clang] [clang][CIR] Lower SVE svpfalse_b and add tests (PR #228789)

[Vicky Nguyen via cfe-commits]

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@@ -0,0 +1,45 @@
+// REQUIRES: aarch64-registered-target
+
+// DEFINE: %{optimize} = opt -passes=mem2reg -S
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iamvickynguyen wrote:

Thank you @banach-space and @bruteforceboy for the comments!

https://github.com/llvm/llvm-project/pull/228789