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Qin Zhao
080c5df850
[esan|cfrag] Instrument GEP instr for struct field access.
Summary: Instrument GEP instruction for counting the number of struct field address calculation to approximate the number of struct field accesses. Adds test struct_field_count_basic.ll to test the struct field instrumentation. Reviewers: bruening, aizatsky Subscribers: junbuml, zhaoqin, llvm-commits, eugenis, vitalybuka, kcc, bruening Differential Revision: http://reviews.llvm.org/D20892 llvm-svn: 271619
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