Displaying 1 result from an estimated 1 matches for "__sancov_guards".
2020 May 14
2
Sancov guard semantics for usage between comdats
...() : inline_bar2();
}
```
Compiling this with `clang++ -fsanitize-coverage=trace-pc-guard
/tmp/test.cpp -c -O1` generates sancov guards (__sancov_gen_.X) that are
used outside of their comdat group due to inlining:
```
@__sancov_gen_.1 = private global [3 x i32] zeroinitializer, section
"__sancov_guards", comdat($_ZN3Foo10inline_fooEv)
define dso_local i32 @_ZN3Foo10public_fooEv(%struct.Foo* %0)
local_unnamed_addr #0 comdat align 2 {
call void @__sanitizer_cov_trace_pc_guard(i32* getelementptr inbounds ([3
x i32], [3 x i32]* @__sancov_gen_, i64 0, i64 0))
call void asm sideeffect "...