From 9433c770f7cd72882fa33edf3b53dd62a23abc21 Mon Sep 17 00:00:00 2001
From: Justin Bogner <mail@justinbogner.com>
Date: Tue, 4 Feb 2014 06:41:39 +0000
Subject: llvm-cov: Ignore missing .gcda files

When gcov is run without gcda data, it acts as if the counts are all
zero and labels the file as - to indicate that there was no data. We
should do the same.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200740 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov | 79 ++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov

(limited to 'test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov')

diff --git a/test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov b/test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov
new file mode 100644
index 0000000000..31353ca0c0
--- /dev/null
+++ b/test/tools/llvm-cov/Inputs/test_no_gcda.cpp.gcov
@@ -0,0 +1,79 @@
+        -:    0:Source:test.cpp
+        -:    0:Graph:test.gcno
+        -:    0:Data:-
+        -:    0:Runs:0
+        -:    0:Programs:0
+        -:    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:
+    #####:   10:void A::B() {}
+        -:   11:
+    #####:   12:void useless() {}
+        -:   13:
+        -:   14:double more_useless() {
+    #####:   15:  return 0;
+        -:   16:}
+        -:   17:
+        -:   18:int foo() {
+    #####:   19:  on = true;
+    #####:   20:  return 3;
+        -:   21:}
+        -:   22:
+        -:   23:int bar() {
+    #####:   24:  len--;
+    #####:   25:  return foo() + 45;
+        -:   26:}
+        -:   27:
+    #####:   28:void assign(int ii, int jj) {
+    #####:   29:  grid[ii][jj] = (ii+1) * (jj+1);
+    #####:   30:}
+        -:   31:
+        -:   32:void initialize_grid() {
+    #####:   33:  for (int ii = 0; ii < 2; ii++)
+    #####:   34:    for (int jj = 0; jj < 2; jj++)
+    #####:   35:      assign(ii, jj);
+    #####:   36:}
+        -:   37:
+        -:   38:int main() {
+    #####:   39:  initialize_grid();
+        -:   40:
+    #####:   41:  int a = 2;
+    #####:   42:  on = rand() % 2;
+    #####:   43:  if (on) {
+    #####:   44:    foo();
+    #####:   45:    ++a;
+    #####:   46:  } else {
+    #####:   47:    bar();
+    #####:   48:    a += rand();
+        -:   49:  }
+        -:   50:
+    #####:   51:  for (int ii = 0; ii < 10; ++ii) {
+    #####:   52:    switch (rand() % 5) {
+        -:   53:      case 0:
+    #####:   54:        a += rand();
+    #####:   55:        break;
+        -:   56:      case 1:
+        -:   57:      case 2:
+    #####:   58:        a += rand() / rand();
+    #####:   59:        break;
+        -:   60:      case 3:
+    #####:   61:        a -= rand();
+    #####:   62:        break;
+        -:   63:      default:
+    #####:   64:        a = -1;
+    #####:   65:    }
+    #####:   66:  }
+        -:   67:
+    #####:   68:  A thing;
+    #####:   69:  for (uint64_t ii = 0; ii < 4294967296; ++ii)
+    #####:   70:    thing.B();
+        -:   71:
+    #####:   72:  return a + 8 + grid[2][3] + len;
+        -:   73:  return more_useless();
+        -:   74:}
-- 
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