llvm-cov: Use the number of executed functions for the function coverage metric.

This commit fixes llvm-cov's function coverage metric by using the number of executed functions instead of the number of fully covered functions.

Differential Revision: http://reviews.llvm.org/D5196


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218672 91177308-0d34-0410-b5e6-96231b3b80d8

test/tools/llvm-cov/report.cpp

@@ -0,0 +1,24 @@
+// RUN: llvm-cov report %S/Inputs/report.covmapping -instr-profile %S/Inputs/report.profdata -no-colors 2>&1 | FileCheck %s
+
+// CHECK: Filename                    Regions    Miss   Cover Functions  Executed
+// CHECK: TOTAL                             5       2  60.00%         4    75.00%
+
+void foo(bool cond) {
+  if (cond) {
+  }
+}
+
+void bar() {
+}
+
+void func() {
+}
+
+int main() {
+  foo(false);
+  bar();
+  return 0;
+}
+
+// llvm-cov doesn't work on big endian yet
+// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc