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llvm-cov: Fix dropped lines when filters were applied

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Uncovered lines in the middle of a covered region weren't being shown
when filtering to a particular function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218109 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2014-09-19 08:13:16 +00:00
parent ddbcfa0b2f
commit 42b96889d1
3 changed files with 8 additions and 2 deletions
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BIN
test/tools/llvm-cov/Inputs/lineExecutionCounts.covmapping
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7
test/tools/llvm-cov/showLineExecutionCounts.cpp
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@ -1,5 +1,8 @@
// RUN: llvm-cov show %S/Inputs/lineExecutionCounts.covmapping -instr-profile %S/Inputs/lineExecutionCounts.profdata -no-colors -filename-equivalence %s | FileCheck %s
// RUN: llvm-cov show %S/Inputs/lineExecutionCounts.covmapping -instr-profile %S/Inputs/lineExecutionCounts.profdata -no-colors -filename-equivalence %s | FileCheck -check-prefix=CHECK -check-prefix=WHOLE-FILE %s
// RUN: llvm-cov show %S/Inputs/lineExecutionCounts.covmapping -instr-profile %S/Inputs/lineExecutionCounts.profdata -no-colors -filename-equivalence -name=main %s | FileCheck -check-prefix=CHECK -check-prefix=FILTER %s
// before any coverage // WHOLE-FILE: | [[@LINE]]|// before
// FILTER-NOT: | [[@LINE-1]]|// before
int main() { // CHECK: 1| [[@LINE]]|int main(
int x = 0; // CHECK: 1| [[@LINE]]| int x
// CHECK: 1| [[@LINE]]|
@ -20,6 +23,8 @@ int main() { // CHECK: 1| [[@LINE]]|int main(
// CHECK: 1| [[@LINE]]|
return 0; // CHECK: 1| [[@LINE]]| return
} // CHECK: 1| [[@LINE]]|}
// after coverage // WHOLE-FILE: | [[@LINE]]|// after
// FILTER-NOT: | [[@LINE-1]]|// after
// llvm-cov doesn't work on big endian yet
// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc

3
tools/llvm-cov/SourceCoverageView.cpp
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@ -163,6 +163,7 @@ void SourceCoverageView::render(raw_ostream &OS, bool WholeFile,
auto NextSegment = CoverageSegments.begin();
auto EndSegment = CoverageSegments.end();
unsigned FirstLine = NextSegment != EndSegment ? NextSegment->Line : 0;
const CoverageSegment *WrappedSegment = nullptr;
SmallVector<const CoverageSegment *, 8> LineSegments;
for (line_iterator LI(File, /*SkipBlanks=*/false); !LI.is_at_eof(); ++LI) {
@ -171,7 +172,7 @@ void SourceCoverageView::render(raw_ostream &OS, bool WholeFile,
if (!WholeFile) {
if (NextSegment == EndSegment)
break;
else if (LI.line_number() < NextSegment->Line)
else if (LI.line_number() < FirstLine)
continue;
}