[clang] [clang][CIR] Add missing return stmt in tests (PR #226534)

[Erich Keane via cfe-commits]

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@@ -42,6 +42,7 @@ uint64_t test_svlen_u8(svuint8_t op) MODE_ATTR
 
 // LLVM:    [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
 // LLVM:    [[RES:%.*]] = mul nuw i64 [[VSCALE]], 16
+// LLVM:    ret i64 [[RES]]
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erichkeane wrote:

This file is failing all over CI:

https://github.com/llvm/llvm-project/actions/runs/36462155387/job/109063509402?pr=227054

Looks like some store/load pairs get left alone for these 'ret's.  

https://github.com/llvm/llvm-project/pull/226534