[llvm] [ISelDAG] Salvage debug info at isel by referring to frame indices. (PR #109126)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -0,0 +1,69 @@
+; RUN: llc -march=sparc -O1 %s -o - | FileCheck %s
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OCHyams wrote:

I think we should use `llc -march=sparc %s -o - -stop-after=finalize-isel` here to reduce the surface area we're testing to the interesting bit (isel) and change the CHECK(s) to:

`CHECK: DBG_VALUE %stack.0.b, $noreg, ![[#]], !DIExpression(DW_OP_plus_uconst, 3, DW_OP_stack_value)`

https://github.com/llvm/llvm-project/pull/109126