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* Remove debug info when hoisting instruction from then/else branch.Dehao Chen2016-09-081-0/+83
Summary: The hoisted instruction is executed speculatively. It could affect the debugging experience as user would see gdb go into code that may not be expected to execute. It will also affect sample profile accuracy by assigning incorrect frequency to source within then/else branch. Reviewers: davidxl, dblaikie, chandlerc, kcc, echristo Subscribers: mehdi_amini, probinson, eric_niebler, andreadb, llvm-commits Differential Revision: https://reviews.llvm.org/D24164 llvm-svn: 280995
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