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0e3246a86f
that was resetting it. Remove the uses of DisableTailCalls in subclasses of TargetLowering and use the value of function attribute "disable-tail-calls" instead. Also, unconditionally add pass TailCallElim to the pipeline and check the function attribute at the start of runOnFunction to disable the pass on a per-function basis. This is part of the work to remove TargetMachine::resetTargetOptions, and since DisableTailCalls was the last non-fast-math option that was being reset in that function, we should be able to remove the function entirely after the work to propagate IR-level fast-math flags to DAG nodes is completed. Out-of-tree users should remove the uses of DisableTailCalls and make changes to attach attribute "disable-tail-calls"="true" or "false" to the functions in the IR. rdar://problem/13752163 Differential Revision: http://reviews.llvm.org/D10099 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239427 91177308-0d34-0410-b5e6-96231b3b80d8 |
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