clang/test/CodeGen/predefined-expr.c


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// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s

// CHECK: @__func__.plainFunction = private unnamed_addr constant [14 x i8] c"plainFunction\00"
// CHECK: @__PRETTY_FUNCTION__.plainFunction = private unnamed_addr constant [21 x i8] c"void plainFunction()\00"
// CHECK: @__func__.externFunction = private unnamed_addr constant [15 x i8] c"externFunction\00"
// CHECK: @__PRETTY_FUNCTION__.externFunction = private unnamed_addr constant [22 x i8] c"void externFunction()\00"
// CHECK: @__func__.privateExternFunction = private unnamed_addr constant [22 x i8] c"privateExternFunction\00"
// CHECK: @__PRETTY_FUNCTION__.privateExternFunction = private unnamed_addr constant [29 x i8] c"void privateExternFunction()\00"
// CHECK: @__func__.staticFunction = private unnamed_addr constant [15 x i8] c"staticFunction\00"
// CHECK: @__PRETTY_FUNCTION__.staticFunction = private unnamed_addr constant [22 x i8] c"void staticFunction()\00"

int printf(const char *, ...);

void plainFunction() {
  printf("__func__ %s\n", __func__);
  printf("__FUNCTION__ %s\n", __FUNCTION__);
  printf("__PRETTY_FUNCTION__ %s\n\n", __PRETTY_FUNCTION__);
}

extern void externFunction() {
  printf("__func__ %s\n", __func__);
  printf("__FUNCTION__ %s\n", __FUNCTION__);
  printf("__PRETTY_FUNCTION__ %s\n\n", __PRETTY_FUNCTION__);
}

__private_extern__ void privateExternFunction() {
  printf("__func__ %s\n", __func__);
  printf("__FUNCTION__ %s\n", __FUNCTION__);
  printf("__PRETTY_FUNCTION__ %s\n\n", __PRETTY_FUNCTION__);
}

static void staticFunction() {
  printf("__func__ %s\n", __func__);
  printf("__FUNCTION__ %s\n", __FUNCTION__);
  printf("__PRETTY_FUNCTION__ %s\n\n", __PRETTY_FUNCTION__);
}

int main() {
  plainFunction();
  externFunction();
  privateExternFunction();
  staticFunction();

  return 0;
}