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llvm-cov: Expect a source file as a positional parameter
Currently, llvm-cov isn't command-line compatible with gcov, which accepts a source file name as its first parameter and infers the gcno and gcda file names from that. This change keeps our -gcda and -gcno options available for convenience in overriding this behaviour, but adds the required parameter and inference behaviour as a compatible default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200417 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -5,34 +5,34 @@ RUN: mkdir %t
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RUN: cd %t
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RUN: cp %p/Inputs/test* .
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda | diff test_no_options.output -
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -f | diff test_-f.output -
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RUN: llvm-cov test.c | diff test_no_options.output -
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RUN: llvm-cov test.c -f | diff test_-f.output -
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RUN: diff -aub test_no_options.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_no_options.h.gcov test.h.gcov
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -a
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RUN: llvm-cov test.c -a
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RUN: diff -aub test_-a.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a.h.gcov test.h.gcov
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -a -b | diff test_-b.output -
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RUN: llvm-cov test.c -a -b | diff test_-b.output -
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# This is expected to fail because gcov doesn't actually output real branch or
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# call statistics on a per function basis.
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -a -b -f | not diff test_-b_-f.output -
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RUN: llvm-cov test.c -a -b -f | not diff test_-b_-f.output -
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RUN: diff -aub test_-a_-b.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b.h.gcov test.h.gcov
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -a -b -u
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RUN: llvm-cov test.c -a -b -u
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RUN: diff -aub test_-a_-b_-u.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b_-u.h.gcov test.h.gcov
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RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda -a -b -c -u
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RUN: llvm-cov test.c -a -b -c -u
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RUN: diff -aub test_-a_-b_-c_-u.cpp.gcov test.cpp.gcov
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RUN: diff -aub test_-a_-b_-c_-u.h.gcov test.h.gcov
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RUN: not llvm-cov -gcno=test_read_fail.gcno -gcda=test.gcda
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RUN: not llvm-cov test.c -gcno=test_read_fail.gcno
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RUN: not llvm-cov -gcno=test.gcno -gcda=test_file_checksum_fail.gcda
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RUN: not llvm-cov test.c -gcda=test_file_checksum_fail.gcda
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RUN: not llvm-cov -gcno=test.gcno -gcda=test_func_checksum_fail.gcda
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RUN: not llvm-cov test.c -gcda=test_func_checksum_fail.gcda
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XFAIL: powerpc64, s390x, mips, sparc
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@ -21,6 +21,9 @@
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#include "llvm/Support/system_error.h"
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using namespace llvm;
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static cl::opt<std::string> SourceFile(cl::Positional, cl::Required,
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cl::desc("SOURCEFILE"));
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static cl::opt<bool>
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DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file"));
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@ -56,9 +59,12 @@ int main(int argc, char **argv) {
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cl::ParseCommandLineOptions(argc, argv, "llvm coverage tool\n");
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GCOVFile GF;
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if (InputGCNO.empty())
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errs() << " " << argv[0] << ": No gcov input file!\n";
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InputGCNO = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcno";
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if (InputGCDA.empty())
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InputGCDA = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcda";
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GCOVFile GF;
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OwningPtr<MemoryBuffer> GCNO_Buff;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
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@ -71,7 +77,6 @@ int main(int argc, char **argv) {
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return 1;
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}
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if (!InputGCDA.empty()) {
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OwningPtr<MemoryBuffer> GCDA_Buff;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
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errs() << InputGCDA << ": " << ec.message() << "\n";
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@ -82,7 +87,6 @@ int main(int argc, char **argv) {
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errs() << "Invalid .gcda File!\n";
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return 1;
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}
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}
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if (DumpGCOV)
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GF.dump();
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