[PATCH] Fixing a heisenbug where the memory dependence analysis behaves differently with and without -g

[David Blaikie]

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Comment at: test/Transforms/DeadStoreElimination/inst_limits.ll:338
@@ +337,3 @@
+  ; effect on the working of DSE in any way.
+  call void @llvm.dbg.value(metadata !12, i64 0, metadata !10)
+  call void @llvm.dbg.value(metadata !12, i64 0, metadata !10)
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I assume you only need one dbg.value intrinsic to demonstrate the problem, right?

And you only really need it in the inside limit case - in the sense that the presence of that one intrinsic shouldn't tip you over the limit.


http://llvm-reviews.chandlerc.com/D2141