[llvm] [SROA] Use tree-structure merge to remove alloca (PR #152793)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,478 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
+; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
+; RUN: opt < %s -passes=debugify,sroa -S | FileCheck %s --check-prefix=DEBUG
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nikic wrote:

If you want to test debug info, use a separate test. debugify with generated check lines is too noisy.

https://github.com/llvm/llvm-project/pull/152793