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6 Commits

Author SHA1 Message Date
Sagar Thakur e74eb4e7b9 [EfficiencySanitizer] Using '$' instead of '#' for struct counter name 
For MIPS '#' is the start of comment line. Therefore we get assembler errors if # is used in the structure names.

Differential: D24334
Reviewed by: zhaoqin

llvm-svn: 282141
 2016-09-22 08:33:06 +00:00
Qin Zhao b463c23c10 [esan|cfrag] Add counters for struct array accesses 
Summary:
Adds one counter to the struct counter array for counting struct
array accesses.

Adds instrumentation to insert counter update for struct array
accesses.

Reviewers: aizatsky

Subscribers: llvm-commits, bruening, eugenis, kcc, zhaoqin, vitalybuka

Differential Revision: http://reviews.llvm.org/D21594

llvm-svn: 274420
 2016-07-02 03:25:37 +00:00
Qin Zhao bb4496f8c8 [esan|cfrag] Add the struct field size array in StructInfo 
Summary:
Adds the struct field size array in struct StructInfo.

Updates test struct_field_count_basic.ll.

Reviewers: aizatsky

Subscribers: vitalybuka, zhaoqin, kcc, eugenis, bruening, llvm-commits

Differential Revision: http://reviews.llvm.org/D21341

llvm-svn: 272989
 2016-06-17 04:50:20 +00:00
Qin Zhao 0b96aa7190 [esan|cfrag] Add the struct field offset array in StructInfo 
Summary:
Adds the struct field offset array in struct StructInfo.

Updates test struct_field_count_basic.ll.

Reviewers: aizatsky

Subscribers: llvm-commits, bruening, eugenis, kcc, zhaoqin, vitalybuka

Differential Revision: http://reviews.llvm.org/D21192

llvm-svn: 272362
 2016-06-10 02:10:06 +00:00
Qin Zhao d677d88867 [esan|cfrag] Disable load/store instrumentation for cfrag 
Summary:
Adds ClInstrumentFastpath option to control fastpath instrumentation.

Avoids the load/store instrumentation for the cache fragmentation tool.

Renames cache_frag_basic.ll to working_set_slow.ll for slowpath
instrumentation test.

Adds the __esan_init check in struct_field_count_basic.ll.

Reviewers: aizatsky

Subscribers: llvm-commits, bruening, eugenis, kcc, zhaoqin, vitalybuka

Differential Revision: http://reviews.llvm.org/D21079

llvm-svn: 272355
 2016-06-10 00:48:53 +00:00
Qin Zhao c14c249343 [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
 2016-06-03 02:33:04 +00:00