clang/test/CoverageMapping/branch-templates.cpp

   1 // Test that branch regions are generated for conditions in function template
   2 // instantiations.
   3
   4 // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name branch-templates.cpp %s | FileCheck %s
   5
   6 template<typename T>
   7 void unused(T x) {
   8   return;
   9 }
  10
  11 template<typename T>
  12 int func(T x) {
  13   if(x)
  14     return 0;
  15   else
  16     return 1;
  17   int j = 1;
  18 }
  19
  20 int main() {
  21   func<int>(0);
  22   func<bool>(true);
  23   func<float>(0.0);
  24   return 0;
  25 }
  26
  27 // CHECK-LABEL: _Z4funcIiEiT_:
  28 // CHECK: Branch,File 0, [[@LINE-15]]:6 -> [[@LINE-15]]:7 = #1, (#0 - #1)
  29 // CHECK-LABEL: _Z4funcIbEiT_:
  30 // CHECK: Branch,File 0, [[@LINE-17]]:6 -> [[@LINE-17]]:7 = #1, (#0 - #1)
  31 // CHECK-LABEL: _Z4funcIfEiT_:
  32 // CHECK: Branch,File 0, [[@LINE-19]]:6 -> [[@LINE-19]]:7 = #1, (#0 - #1)