clang/test/CoverageMapping/system_macro.cpp

   1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -mllvm -system-headers-coverage=true -std=c++11 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm -main-file-name system_macro.cpp -o %t.w_sys.ll %s | FileCheck %s --check-prefixes=CHECK,W_SYS
   2 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -mllvm -system-headers-coverage=false -std=c++11 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm -main-file-name system_macro.cpp -o %t.wosys.ll %s | FileCheck %s --check-prefixes=CHECK,WOSYS
   3 // RUN: FileCheck %s --check-prefixes=LL_CHECK,LL_W_SYS < %t.w_sys.ll
   4 // RUN: FileCheck %s --check-prefixes=LL_CHECK,LL_WOSYS < %t.wosys.ll
   5
   6 // LL_CHECK: @__covrec_
   7 // LL_W_SYS: [[PROFC:@.*__profc_.*SysTmpl.*]] =
   8 // LL_W_SYS: @{{.*}}__profd_{{.*}}SysTmpl{{.*}} =
   9 // LL_WOSYS-NOT: SysTmpl
  10
  11 // LL_CHECK: @llvm.used =
  12
  13 #ifdef IS_SYSHEADER
  14
  15 #pragma clang system_header
  16 #define Func(x) if (x) {}
  17 #define SomeType int
  18
  19 // LL_CHECK: define {{.*}} i1 @{{.*}}SysTmpl
  20 template <bool f> bool SysTmpl() { return f; }
  21 // Check SysTmpl() is instrumented or not.
  22 // LL_W_SYS: load i64, ptr [[PROFC]],
  23 // LL_WOSYS-NOT: load i64, ptr @__profc_
  24
  25 #else
  26
  27 #define IS_SYSHEADER
  28 #include __FILE__
  29
  30 // CHECK-LABEL: doSomething
  31 void doSomething(int x) { // CHECK: File 0, [[@LINE]]:25 -> {{[0-9:]+}} = #0
  32   // WOSYS-NOT: Expansion,
  33   // W_SYS: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:7
  34   Func(x);
  35   // CHECK: Gap,File 0, [[@LINE+1]]:10
  36   return;
  37   // WOSYS-NOT: Expansion,
  38   // W_SYS: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:11
  39   SomeType *f; // CHECK: File 0, [[@LINE]]:11 -> {{[0-9:]+}} = 0
  40 }
  41
  42 // CHECK-LABEL: main
  43 int main() { // CHECK: File 0, [[@LINE]]:12 -> [[@LINE+2]]:2 = #0
  44   Func([] { return SysTmpl<true>(); }());
  45 }
  46
  47 // W_SYS: SysTmpl
  48 // WOSYS-NOT: SysTmpl
  49
  50 #endif