[llvm] [StructuralHash] Global Variable (PR #118412)

[Kyungwoo Lee via llvm-commits]

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@@ -0,0 +1,91 @@
+; This test verifies that global variables are hashed based on their initial contents,
+; allowing them to be merged even if they appear different due to their names.
+; Now they become identical functions that can be merged without creating a paramter.
+
+; RUN: rm -rf %t && split-file %s %t
+
+; RUN: llc -mtriple=arm64-apple-darwin -enable-global-merge-func=true -global-merging-skip-no-params=false < %t/string.ll | FileCheck %s
+; RUN: llc -mtriple=arm64-apple-darwin -enable-global-merge-func=true -global-merging-skip-no-params=false < %t/ns-const.ll | FileCheck %s
+; RUN: llc -mtriple=arm64-apple-darwin -enable-global-merge-func=true -global-merging-skip-no-params=false < %t/objc-ref.ll | FileCheck %s
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kyulee-com wrote:

Separated the test cases into their own files.

https://github.com/llvm/llvm-project/pull/118412