https://bugs.llvm.org/show_bug.cgi?id=37046
Bug ID: 37046
Summary: [LLVM-COV] two continues return statements are both
marked as executed when they are after a statement
with many binary operators in llvm-cov
Product: Runtime Libraries
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: libprofile library
Assignee: unassignedb...@nondot.org
Reporter: yangyib...@nju.edu.cn
CC: llvm-bugs@lists.llvm.org
$ cat small.c
int a, b, c, d, e;
int main() {
((e=a) && c || 5 || 0) == b || d;
return 0;
return 0;
}
$ clang -w -O0 -g -fcoverage-mapping -fprofile-instr-generate=small.profraw
small.c; ./a.out; llvm-profdata merge small.profraw -o small.profdata; llvm-cov
show a.out -instr-profile=small.profdata small.c > small.gcov; cat small.gcov
1| |int a, b, c, d, e;
2| 1|int main() {
3| 1| ((e=a) && c || 5 || 0) == b || d;
4| 1| return 0;
5| 1| return 0;
6| 1|}
************
Line #5 is wrongly marked as executed.
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