Chris Lattner f231c07228 Make the code generator rip of dead constant expr uses before deciding ... whether a global is dead or not. This should fix PR3749 - linker adds spurious use to appending globals. I can't reasonably add a testcase for this, because the bc writer/reader strip dead constant users. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66404 91177308-0d34-0410-b5e6-96231b3b80d8		2009-03-09 05:52:15 +00:00
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Analysis	Ignore debug intrinsics when computing dependences.	2009-03-09 05:12:38 +00:00
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CodeGen	Make the code generator rip of dead constant expr uses before deciding	2009-03-09 05:52:15 +00:00
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VMCore	make GlobalValue::removeDeadConstantUsers() const.	2009-03-09 05:50:45 +00:00
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