c84e4e9b1c
r174939-40 caused us to do this in the canonical terminate lpad, but when the EH stack has other cleanups on it we use the terminate handler block, which wasn't doing this. Fixes the rest of rdar://11904428 given appropriate stdlib support. llvm-svn: 184475
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions -std=c++11 | FileCheck %s
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// rdar://11904428
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// Ensure that we call __cxa_begin_catch before calling
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// std::terminate in a noexcept function.
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namespace test0 {
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void foo();
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struct A {
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A();
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~A();
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};
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void test() noexcept {
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A a;
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foo();
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}
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}
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// CHECK: define void @_ZN5test04testEv()
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// CHECK: [[EXN:%.*]] = alloca i8*
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// This goes to the terminate lpad.
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// CHECK: invoke void @_ZN5test01AC1Ev(
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// This goes to the cleanup-and-then-terminate lpad.
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// CHECK: invoke void @_ZN5test03fooEv()
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// Destructors don't throw by default in C++11.
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// CHECK: call void @_ZN5test01AD1Ev(
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// Cleanup lpad.
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// CHECK: [[T0:%.*]] = landingpad
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// CHECK-NEXT: catch i8* null
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i8*, i32 } [[T0]], 0
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// CHECK-NEXT: store i8* [[T1]], i8** [[EXN]]
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// (Calling this destructor is not technically required.)
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// CHECK: call void @_ZN5test01AD1Ev(
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// CHECK-NEXT: br label
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// The terminate landing pad jumps in here for some reason.
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// CHECK: [[T0:%.*]] = landingpad
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// CHECK-NEXT: catch i8* null
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i8*, i32 } [[T0]], 0
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// CHECK-NEXT: call void @__clang_call_terminate(i8* [[T1]])
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// CHECK-NEXT: unreachable
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// The terminate handler chained to by the cleanup lpad.
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// CHECK: [[T0:%.*]] = load i8** [[EXN]]
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// CHECK-NEXT: call void @__clang_call_terminate(i8* [[T0]])
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// CHECK-NEXT: unreachable
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// CHECK: define linkonce_odr hidden void @__clang_call_terminate(
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// CHECK: call i8* @__cxa_begin_catch(
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// CHECK-NEXT: call void @_ZSt9terminatev()
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// CHECK-NEXT: unreachable
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