[llvm] [IR] Introduce !captures metadata (PR #160913)

[Yingwei Zheng via llvm-commits]

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@@ -445,4 +573,8 @@ join:
 ; CHECK: [[META6]] = !{float 2.500000e+00}
 ; CHECK: [[META7]] = !{i32 5, i32 6}
 ; CHECK: [[META8]] = !{i32 4, i32 5}
+; CHECK: [[META9]] = !{!"address"}
+; CHECK: [[META10]] = !{!"read_provenance", !"address"}
+; CHECK: [[META11]] = !{!"address", !"read_provenance"}
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dtcxzyw wrote:

Meta10/Meta11 are identical.

https://github.com/llvm/llvm-project/pull/160913