[esan|cfrag] Add struct array access report
Summary:
Adds struct array access counter report.
Updates test struct-simple.cpp.
Reviewers: aizatsky
Subscribers: vitalybuka, zhaoqin, kcc, eugenis, bruening, llvm-commits, kubabrecka
Differential Revision: http://reviews.llvm.org/D21595
llvm-svn: 274421
diff --git a/compiler-rt/lib/esan/cache_frag.cpp b/compiler-rt/lib/esan/cache_frag.cpp
index 2096bec..e3384a9 100644
--- a/compiler-rt/lib/esan/cache_frag.cpp
+++ b/compiler-rt/lib/esan/cache_frag.cpp
@@ -30,8 +30,9 @@
u32 NumFields;
u32 *FieldOffsets;
u32 *FieldSize;
- u64 *FieldCounters;
const char **FieldTypeNames;
+ u64 *FieldCounters;
+ u64 *ArrayCounter;
};
// This should be kept consistent with LLVM's EfficiencySanitizer CacheFragInfo.
@@ -96,8 +97,8 @@
end = strchr(start, '#');
CHECK(end != nullptr);
Report(" %s %.*s\n", type, end - start, start);
- Report(" size = %u, count = %llu, ratio = %llu\n", Struct->Size,
- Handle->Count, Handle->Ratio);
+ Report(" size = %u, count = %llu, ratio = %llu, array access = %llu\n",
+ Struct->Size, Handle->Count, Handle->Ratio, *Struct->ArrayCounter);
for (u32 i = 0; i < Struct->NumFields; ++i) {
Report(" #%2u: offset = %u,\t size = %u,\t count = %llu,\t type = %.*s\n",
i, Struct->FieldOffsets[i], Struct->FieldSize[i],