clang/test/CodeGenCXX/linetable-eh.cpp

   1 // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -gno-column-info -triple x86_64-apple-macosx10.9.0 -funwind-tables=2 -std=c++11 -fcxx-exceptions -fexceptions %s -o - | FileCheck -allow-deprecated-dag-overlap %s
   2
   3 // Test that emitting a landing pad does not affect the line table
   4 // entries for the code that triggered it.
   5
   6 // CHECK: call void @llvm.dbg.declare
   7 // CHECK: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[CURRENT_ADDR:.*]], metadata !{{.*}}), !dbg ![[DBG1:.*]]
   8 // CHECK: unwind label %{{.*}}, !dbg ![[DBG1]]
   9 // CHECK: store i64 %{{.*}}, ptr %current_address, align 8, !dbg ![[DBG4:.*]]
  10 // CHECK-NEXT: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[FOUND_IT:.*]], metadata !{{.*}}), !dbg ![[DBG2:.*]]
  11 // CHECK: = landingpad
  12 // CHECK-NEXT: cleanup, !dbg ![[DBG3:.*]]
  13 // CHECK-DAG: ![[CURRENT_ADDR]] = {{.*}}name: "current_address"
  14 // CHECK-DAG: ![[FOUND_IT]] = {{.*}}name: "found_it"
  15 // CHECK-DAG: ![[DBG1]] = !DILocation(line: 256,
  16 // CHECK-DAG: ![[DBG2]] = !DILocation(line: 257,
  17 // CHECK-DAG: ![[DBG3]] = !DILocation(line: 268,
  18 // CHECK-DAG: ![[DBG4]] = !DILocation(line: 256,
  19 typedef unsigned long long uint64_t;
  20 template<class _Tp> class shared_ptr {
  21 public:
  22   typedef _Tp element_type;
  23   element_type* __ptr_;
  24   ~shared_ptr();
  25   element_type* operator->() const noexcept {return __ptr_;}
  26 };
  27 class Context {
  28 public:
  29     uint64_t GetIt();
  30 };
  31 class Foo
  32 {
  33     bool bar();
  34     virtual shared_ptr<Context> GetContext () = 0;
  35 };
  36 # 253 "Foo.cpp" 3
  37 bool
  38 Foo::bar ()
  39 {
  40   uint64_t current_address = GetContext()->GetIt();
  41   bool found_it = false;
  42 # 267 "Foo.cpp" 3
  43   return found_it;
  44 }