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[sancov] applying blacklist to covered points too

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Differential Revision: https://reviews.llvm.org/D28872

llvm-svn: 292468
This commit is contained in:
Mike Aizatsky 2017-01-19 03:49:18 +00:00
parent 1471b048f9
commit d863e3261f
3 changed files with 30 additions and 6 deletions
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2
test/tools/sancov/Inputs/src_blacklist.txt
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@ -1,3 +1,3 @@
# this path looks like sancov/Inputs/../Inputs/ in the binary.
# Make sure it is filtered out correctly.
src:*/sancov/Inputs/foo.cpp
src:*/sancov/Inputs/test.cpp

26
test/tools/sancov/blacklist.test
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@ -1,10 +1,26 @@
REQUIRES: x86_64-linux
RUN: sancov -covered-functions %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.0.sancov | FileCheck %s --check-prefix=ALL
RUN: sancov -covered-functions -blacklist %p/Inputs/fun_blacklist.txt %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.0.sancov | FileCheck %s
RUN: sancov -covered-functions -blacklist %p/Inputs/src_blacklist.txt %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.1.sancov | FileCheck --check-prefix=CHECK1 %s
RUN: sancov -print-coverage-stats %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.1.sancov | FileCheck --check-prefix=STATS %s
RUN: sancov -print-coverage-stats -blacklist %p/Inputs/fun_blacklist.txt %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.1.sancov | FileCheck --check-prefix=STATS-BLIST %s
CHECK-NOT: Inputs{{[/\\]}}test.cpp:12 bar(std::string)
CHECK: Inputs{{[/\\]}}test.cpp:14 main
ALL: test.cpp:12 bar(std::string)
ALL: test.cpp:14 main
CHECK-NOT: test.cpp:12 bar(std::string)
CHECK: test.cpp:14 main
CHECK1-NOT: test.cpp:12 bar(std::string)
CHECK1-NOT: test.cpp:14 main
STATS: all-edges: 9
STATS: cov-edges: 7
STATS: all-functions: 3
STATS: cov-functions: 3
STATS-BLIST: all-edges: 8
STATS-BLIST: cov-edges: 6
STATS-BLIST: all-functions: 2
STATS-BLIST: cov-functions: 2
CHECK1-NOT: foo
CHECK1: Inputs{{[/\\]}}test.cpp:12 bar(std::string)
CHECK1: Inputs{{[/\\]}}test.cpp:14 main

8
tools/sancov/sancov.cc
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@ -946,7 +946,15 @@ symbolize(const RawCoverage &Data, const std::string ObjectFile) {
Hasher.update((*BufOrErr)->getBuffer());
Coverage->BinaryHash = toHex(Hasher.final());
Blacklists B;
auto Symbolizer(createSymbolizer());
for (uint64_t Addr : *Data.Addrs) {
auto LineInfo = Symbolizer->symbolizeCode(ObjectFile, Addr);
failIfError(LineInfo);
if (B.isBlacklisted(*LineInfo))
continue;
Coverage->CoveredIds.insert(utohexstr(Addr, true));
}