[llvm] [DebugInfo] Only create DIEs of concrete functions (PR #90523)

[David Blaikie via llvm-commits]

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@@ -0,0 +1,96 @@
+; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck --implicit-check-not "{{DW_TAG|NULL}}" %s
+
+; RUN: %llc_dwarf --try-experimental-debuginfo-iterators -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck --implicit-check-not "{{DW_TAG|NULL}}" %s
+
+; inline __attribute__((always_inline))
+; int removed() { static int A; return A++; }
+;
+; __attribute__((always_inline))
+; int not_removed() { static int B; return B++; }
+;
+; int foo() { return removed() + not_removed(); }
+
+; Ensure that global variables belong to the correct subprograms even if those
+; subprograms are inlined.
+
+; CHECK: DW_TAG_compile_unit
+; CHECK:   DW_TAG_subprogram
+; TODO: Place the variable in the abstract DIE rather than this concrete DIE.
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dwblaikie wrote:

maybe CHECK that this has an abstract_origin, to show this is the concrete instance?

https://github.com/llvm/llvm-project/pull/90523