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authorJustin Bogner <mail@justinbogner.com>2014-02-04 06:41:43 +0000
committerJustin Bogner <mail@justinbogner.com>2014-02-04 06:41:43 +0000
commite2d1c6c19d8f643edffca86e2944f1aba4c9feea (patch)
tree9c5c1eff41b846d7fa77ef8221d44f3b3beb7ba4
parent9433c770f7cd72882fa33edf3b53dd62a23abc21 (diff)
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llvm-cov: Implement the object-directory flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200741 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov79
-rw-r--r--test/tools/llvm-cov/Inputs/test_objdir.h.gcov8
-rw-r--r--test/tools/llvm-cov/llvm-cov.test7
-rw-r--r--tools/llvm-cov/llvm-cov.cpp15
4 files changed, 107 insertions, 2 deletions
diff --git a/test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov b/test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov
new file mode 100644
index 0000000000..abf8856780
--- /dev/null
+++ b/test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov
@@ -0,0 +1,79 @@
+ -: 0:Source:test.cpp
+ -: 0:Graph:objdir/test.gcno
+ -: 0:Data:objdir/test.gcda
+ -: 0:Runs:2
+ -: 0:Programs:1
+ -: 1:#include "test.h"
+ -: 2:#include <cstdlib>
+ -: 3:
+ -: 4:bool on = false;
+ -: 5:int len = 42;
+ -: 6:double grid[10][10] = {0};
+ -: 7:const char * hello = "world";
+ -: 8:const char * world = "hello";
+ -: 9:
+8589934592: 10:void A::B() {}
+ -: 11:
+ #####: 12:void useless() {}
+ -: 13:
+ -: 14:double more_useless() {
+ #####: 15: return 0;
+ -: 16:}
+ -: 17:
+ -: 18:int foo() {
+ 2: 19: on = true;
+ 2: 20: return 3;
+ -: 21:}
+ -: 22:
+ -: 23:int bar() {
+ #####: 24: len--;
+ #####: 25: return foo() + 45;
+ -: 26:}
+ -: 27:
+ 8: 28:void assign(int ii, int jj) {
+ 8: 29: grid[ii][jj] = (ii+1) * (jj+1);
+ 8: 30:}
+ -: 31:
+ -: 32:void initialize_grid() {
+ 12: 33: for (int ii = 0; ii < 2; ii++)
+ 24: 34: for (int jj = 0; jj < 2; jj++)
+ 12: 35: assign(ii, jj);
+ 2: 36:}
+ -: 37:
+ -: 38:int main() {
+ 2: 39: initialize_grid();
+ -: 40:
+ 2: 41: int a = 2;
+ 2: 42: on = rand() % 2;
+ 2: 43: if (on) {
+ 2: 44: foo();
+ 2: 45: ++a;
+ 2: 46: } else {
+ #####: 47: bar();
+ #####: 48: a += rand();
+ -: 49: }
+ -: 50:
+ 44: 51: for (int ii = 0; ii < 10; ++ii) {
+ 20: 52: switch (rand() % 5) {
+ -: 53: case 0:
+ 4: 54: a += rand();
+ 4: 55: break;
+ -: 56: case 1:
+ -: 57: case 2:
+ 2: 58: a += rand() / rand();
+ 2: 59: break;
+ -: 60: case 3:
+ 6: 61: a -= rand();
+ 6: 62: break;
+ -: 63: default:
+ 8: 64: a = -1;
+ 8: 65: }
+ 20: 66: }
+ -: 67:
+ 2: 68: A thing;
+17179869188: 69: for (uint64_t ii = 0; ii < 4294967296; ++ii)
+8589934592: 70: thing.B();
+ -: 71:
+ 2: 72: return a + 8 + grid[2][3] + len;
+ -: 73: return more_useless();
+ -: 74:}
diff --git a/test/tools/llvm-cov/Inputs/test_objdir.h.gcov b/test/tools/llvm-cov/Inputs/test_objdir.h.gcov
new file mode 100644
index 0000000000..8208d25418
--- /dev/null
+++ b/test/tools/llvm-cov/Inputs/test_objdir.h.gcov
@@ -0,0 +1,8 @@
+ -: 0:Source:./test.h
+ -: 0:Graph:objdir/test.gcno
+ -: 0:Data:objdir/test.gcda
+ -: 0:Runs:2
+ -: 0:Programs:1
+ 4: 1:struct A {
+ -: 2: virtual void B();
+ -: 3:};
diff --git a/test/tools/llvm-cov/llvm-cov.test b/test/tools/llvm-cov/llvm-cov.test
index f205cde791..239108240e 100644
--- a/test/tools/llvm-cov/llvm-cov.test
+++ b/test/tools/llvm-cov/llvm-cov.test
@@ -14,6 +14,13 @@ RUN: llvm-cov test.c | diff -u test_no_options.output -
RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov
RUN: diff -aub test_no_options.h.gcov test.h.gcov
+# Same, but specifying the object directory
+RUN: mkdir -p %t/objdir
+RUN: cp test.gcno test.gcda %t/objdir
+RUN: llvm-cov -o objdir test.c | diff -u test_no_options.output -
+RUN: diff -aub test_objdir.cpp.gcov test.cpp.gcov
+RUN: diff -aub test_objdir.h.gcov test.h.gcov
+
# Function summaries. This changes stdout, but not the gcov files.
RUN: llvm-cov test.c -f | diff -u test_-f.output -
RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov
diff --git a/tools/llvm-cov/llvm-cov.cpp b/tools/llvm-cov/llvm-cov.cpp
index be8d1c9036..61bee43d82 100644
--- a/tools/llvm-cov/llvm-cov.cpp
+++ b/tools/llvm-cov/llvm-cov.cpp
@@ -12,10 +12,12 @@
//===----------------------------------------------------------------------===//
#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GCOV.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryObject.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
@@ -41,6 +43,10 @@ static cl::opt<bool> FuncSummary("f", cl::init(false),
cl::desc("Show coverage for each function"));
static cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary));
+static cl::opt<std::string> ObjectDir("o", cl::value_desc("DIR"), cl::init(""),
+ cl::desc("Search for objects in DIR"));
+static cl::alias ObjectDirA("object-directory", cl::aliasopt(ObjectDir));
+
static cl::opt<bool> UncondBranch("u", cl::init(false),
cl::desc("Display unconditional branch info "
"(requires -b)"));
@@ -64,10 +70,15 @@ int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
+ SmallString<128> CoverageFileStem(ObjectDir);
+ if (CoverageFileStem.empty())
+ CoverageFileStem = sys::path::parent_path(SourceFile);
+ sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
+
if (InputGCNO.empty())
- InputGCNO = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcno";
+ InputGCNO = (CoverageFileStem.str() + ".gcno").str();
if (InputGCDA.empty())
- InputGCDA = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcda";
+ InputGCDA = (CoverageFileStem.str() + ".gcda").str();
GCOVFile GF;