1 files changed, 32 insertions, 0 deletions
diff --git a/test/tools/llvm-cov/copy_block_helper.m b/test/tools/llvm-cov/copy_block_helper.m
new file mode 100644
index 0000000..1859b88
--- /dev/null
+++ b/test/tools/llvm-cov/copy_block_helper.m
@@ -0,0 +1,32 @@
+// Make sure that compiler-added functions (whose line number is zero) don't
+// crash llvm-cov.
+
+// We need shell for cd
+// REQUIRES: shell
+
+// RUN: rm -rf %t
+// RUN: mkdir %t
+// RUN: cd %t
+// RUN: cp %s %p/Inputs/copy_block_helper.gc* .
+
+// RUN: llvm-cov copy_block_helper.m | FileCheck %s --check-prefix=STDOUT
+// STDOUT: File 'copy_block_helper.m'
+// STDOUT: Lines executed:100.00% of 5
+// STDOUT: copy_block_helper.m:creating 'copy_block_helper.m.gcov'
+
+// RUN: FileCheck %s --check-prefix=GCOV < %t/copy_block_helper.m.gcov
+// GCOV: -:    0:Runs:1
+// GCOV: -:    0:Programs:1
+
+id test_helper(id (^foo)(void)) { return foo(); } // GCOV: 1:    [[@LINE]]:id
+void test(id x) { // GCOV: -:    [[@LINE]]:void test
+  test_helper(^{  // GCOV: 2:    [[@LINE]]:  test_helper
+    return x;     // GCOV: 1:    [[@LINE]]:    return
+  });             // GCOV: -:    [[@LINE]]:
+}                 // GCOV: 1:    [[@LINE]]:}
+
+// GCOV: 1:    [[@LINE+1]]:int main
+int main(int argc, const char *argv[]) { test(0); }
+
+// llvm-cov doesn't work on big endian yet
+// XFAIL: powerpc64, s390x, mips-, mips64-, sparc