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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Coverage report is wrong : the count after executing exit(1) is wrong"
href="https://bugs.llvm.org/show_bug.cgi?id=39795">39795</a>
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<th>Summary</th>
<td>Coverage report is wrong : the count after executing exit(1) is wrong
</td>
</tr>
<tr>
<th>Product</th>
<td>compiler-rt
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>compiler-rt
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ueno.masakazu@jp.fujitsu.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
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<pre>For the cooverage report, the count after executing exit(1) is wrong.
$ clang --version
clang version 8.0.0 (trunk 347601)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/llvm/svn-trunk/install/bin
$ clang --coverage cov_ng.c
$ ./a.out
sub start
sub end
sub start
sub end
sub start
sub end
sub start
$ llvm-cov gcov cov_ng.c
File 'cov_ng.c'
Lines executed:100.00% of 13
cov_ng.c:creating 'cov_ng.c.gcov'
$ cat cov_ng.c.gcov
-: 0:Source:cov_ng.c
-: 0:Graph:cov_ng.gcno
-: 0:Data:cov_ng.gcda
-: 0:Runs:1
-: 0:Programs:1
-: 1:
-: 2:
-: 3:#include <stdio.h>
-: 4:#include <stdlib.h>
-: 5:
4: 6:void sub (int x) {
-: 7:
4: 8: printf("sub start\n");
-: 9:
4: 10: if (x == 0) {
1: 11: exit (1);
-: 12: printf("NG");
-: 13: }
-: 14:
3: 15: printf("sub end\n");
3: 16: return ;
-: 17:}
-: 18:
1: 19:int main () {
1: 20: sub (10);
1: 21: sub (10);
1: 22: sub (10);
1: 23: sub (0);
1: 24: sub (10);
1: 25:}
-: 26:
For the counts on lines 24 and 25, "-:" is correct, not "1:".</pre>
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