llvm-project/clang/test/CodeGenCXX/cxx1y-init-captures-eh.cpp

105 lines
2.3 KiB
C++

// RUN: %clang_cc1 -std=c++1y -triple x86_64-linux-gnu -fexceptions -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s
struct S {
S();
~S();
};
struct T {
T() noexcept;
~T();
int n;
};
// CHECK-LABEL: define void @_Z1fv(
void f() {
// CHECK: call void @_ZN1SC1Ev(
// CHECK: invoke void @__cxa_throw
//
// Ensure we call the lambda destructor here, and do not call the destructor
// for the capture.
// CHECK: landingpad
// CHECK-NOT: _ZN1SD
// CHECK: call void @"_ZZ1fvEN3$_0D1Ev"(
// CHECK-NOT: _ZN1SD
// CHECK: resume
[s = S()] {}, throw 0;
// CHECK: }
}
// CHECK-LABEL: define void @_Z1gv(
void g() {
// CHECK: call void @_ZN1SC1Ev(
// CHECK: invoke void @__cxa_throw
//
// Ensure we call the lambda destructor here, and do not call the destructor
// for the capture.
// CHECK: landingpad
// CHECK-NOT: @"_ZZ1gvEN3$_0D1Ev"(
// CHECK: call void @_ZN1SD1Ev(
// CHECK-NOT: @"_ZZ1gvEN3$_0D1Ev"(
// CHECK: resume
[s = S(), t = (throw 0, 1)] {};
// CHECK: }
}
void x() noexcept;
void y() noexcept;
// CHECK-LABEL: define void @_Z1hbb(
void h(bool b1, bool b2) {
// CHECK: {{.*}} = alloca i1,
// CHECK: %[[S_ISACTIVE:.*]] = alloca i1,
// CHECK: {{.*}} = alloca i1,
// lambda init: s and t, branch on b1
// CHECK: call void @_ZN1SC1Ev(
// CHECK: store i1 true, i1* %[[S_ISACTIVE]], align 1
// CHECK: call void @_ZN1TC1Ev(
// CHECK: br i1
// throw 1
// CHECK: invoke void @__cxa_throw
// completion of lambda init, branch on b2
// CHECK: store i32 42,
// CHECK: store i1 false, i1* %[[S_ISACTIVE]], align 1
// CHECK: br i1
// throw 2
// CHECK: invoke void @__cxa_throw
// end of full-expression
// CHECK: call void @_Z1xv(
// CHECK: call void @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: call void @_ZN1TD1Ev(
// CHECK: call void @_Z1yv(
// CHECK: ret void
// cleanups for throw 1
// CHECK: landingpad
// CHECK-NOT: @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: br
// cleanups for throw 2
// CHECK: landingpad
// CHECK: call void @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: br
// common cleanup code
// CHECK: call void @_ZN1TD1Ev(
// CHECK: load i1, i1* %[[S_ISACTIVE]],
// CHECK: br i1
// CHECK: call void @_ZN1SD1Ev(
// CHECK: br
// CHECK: resume
[s = S(), t = T().n, u = (b1 ? throw 1 : 42)] {}, (b2 ? throw 2 : 0), x();
y();
// CHECK: }
}