From e2d1c6c19d8f643edffca86e2944f1aba4c9feea Mon Sep 17 00:00:00 2001 From: Justin Bogner Date: Tue, 4 Feb 2014 06:41:43 +0000 Subject: llvm-cov: Implement the object-directory flag git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200741 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov | 79 +++++++++++++++++++++++++ test/tools/llvm-cov/Inputs/test_objdir.h.gcov | 8 +++ test/tools/llvm-cov/llvm-cov.test | 7 +++ tools/llvm-cov/llvm-cov.cpp | 15 ++++- 4 files changed, 107 insertions(+), 2 deletions(-) create mode 100644 test/tools/llvm-cov/Inputs/test_objdir.cpp.gcov create mode 100644 test/tools/llvm-cov/Inputs/test_objdir.h.gcov 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 + -: 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 FuncSummary("f", cl::init(false), cl::desc("Show coverage for each function")); static cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary)); +static cl::opt 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 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; -- cgit v1.2.3