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// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o %t
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-1
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-2
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-3
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-4
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-5
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-6
// RUN: FileCheck %s -input-file=%t -check-prefix=CHECK-7
struct Foo {
int x;
float y;
~Foo() {}
};
struct TestClass {
int x;
TestClass() : x(0) {};
void MemberFunc() {
Foo f;
#pragma clang __debug captured
{
f.y = x;
}
}
};
void test1() {
TestClass c;
c.MemberFunc();
// CHECK-1: %[[Capture:struct\.anon[\.0-9]*]] = type { %struct.Foo*, %struct.TestClass* }
// CHECK-1: define {{.*}} void @_ZN9TestClass10MemberFuncEv
// CHECK-1: alloca %struct.anon
// CHECK-1: getelementptr inbounds %[[Capture]]* %{{[^,]*}}, i32 0, i32 0
// CHECK-1: store %struct.Foo* %f, %struct.Foo**
// CHECK-1: getelementptr inbounds %[[Capture]]* %{{[^,]*}}, i32 0, i32 1
// CHECK-1: call void @[[HelperName:[A-Za-z0-9_]+]](%[[Capture]]*
// CHECK-1: call {{.*}}FooD1Ev
// CHECK-1: ret
}
// CHECK-1: define internal void @[[HelperName]]
// CHECK-1: getelementptr inbounds %[[Capture]]* {{[^,]*}}, i32 0, i32 1
// CHECK-1: getelementptr inbounds %struct.TestClass* {{[^,]*}}, i32 0, i32 0
// CHECK-1: getelementptr inbounds %[[Capture]]* {{[^,]*}}, i32 0, i32 0
void test2(int x) {
int y = [&]() {
#pragma clang __debug captured
{
x++;
}
return x;
}();
// CHECK-2-LABEL: define void @_Z5test2i
// CHECK-2: call {{.*}} @[[Lambda:["$\w]+]]
//
// CHECK-2: define internal {{.*}} @[[Lambda]]
// CHECK-2: call void @[[HelperName:["$_A-Za-z0-9]+]](%[[Capture:.*]]*
//
// CHECK-2: define internal void @[[HelperName]]
// CHECK-2: getelementptr inbounds %[[Capture]]*
// CHECK-2: load i32**
// CHECK-2: load i32*
}
void test3(int x) {
#pragma clang __debug captured
{
x = [=]() { return x + 1; } ();
}
// CHECK-3: %[[Capture:struct\.anon[\.0-9]*]] = type { i32* }
// CHECK-3-LABEL: define void @_Z5test3i
// CHECK-3: store i32*
// CHECK-3: call void @{{.*}}__captured_stmt
// CHECK-3: ret void
}
void test4() {
#pragma clang __debug captured
{
Foo f;
f.x = 5;
}
// CHECK-4-LABEL: define void @_Z5test4v
// CHECK-4: call void @[[HelperName:["$_A-Za-z0-9]+]](%[[Capture:.*]]*
// CHECK-4: ret void
//
// CHECK-4: define internal void @[[HelperName]]
// CHECK-4: store i32 5, i32*
// CHECK-4: call {{.*}}FooD1Ev
}
template <typename T, int id>
void touch(const T &) {}
template <typename T, unsigned id>
void template_capture_var() {
T x;
#pragma clang __debug captured
{
touch<T, id>(x);
}
}
template <typename T, int id>
class Val {
T v;
public:
void set() {
#pragma clang __debug captured
{
touch<T, id>(v);
}
}
template <typename U, int id2>
void foo(U u) {
#pragma clang __debug captured
{
touch<U, id + id2>(u);
}
}
};
void test_capture_var() {
// CHECK-5: define {{.*}} void @_Z20template_capture_varIiLj201EEvv
// CHECK-5-NOT: }
// CHECK-5: store i32*
// CHECK-5: call void @__captured_stmt
// CHECK-5-NEXT: ret void
template_capture_var<int, 201>();
// CHECK-5: define {{.*}} void @_ZN3ValIfLi202EE3setEv
// CHECK-5-NOT: }
// CHECK-5: store %class.Val*
// CHECK-5: call void @__captured_stmt
// CHECK-5-NEXT: ret void
Val<float, 202> Obj;
Obj.set();
// CHECK-5: define {{.*}} void @_ZN3ValIfLi202EE3fooIdLi203EEEvT_
// CHECK-5-NOT: }
// CHECK-5: store %class.Val*
// CHECK-5: store double
// CHECK-5: call void @__captured_stmt
// CHECK-5-NEXT: ret void
Obj.foo<double, 203>(1.0);
}
template <typename T>
void template_capture_lambda() {
T x, y;
[=, &y]() {
#pragma clang __debug captured
{
y += x;
}
}();
}
void test_capture_lambda() {
// CHECK-6: define {{.*}} void @_ZZ23template_capture_lambdaIiEvvENKUlvE_clEv
// CHECK-6-NOT: }
// CHECK-6: store i32*
// CHECK-6: store i32*
// CHECK-6: call void @__captured_stmt
// CHECK-6-NEXT: ret void
template_capture_lambda<int>();
}
inline int test_captured_linkage() {
// CHECK-7: @_ZZ21test_captured_linkagevE1i = linkonce_odr global i32 0
int j;
#pragma clang __debug captured
{
static int i = 0;
j = ++i;
}
return j;
}
void call_test_captured_linkage() {
test_captured_linkage();
}
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