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annotate clang/test/CodeGenCXX/noexcept.cpp @ 206:f17a3b42b08b

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Added tag before-12 for changeset b7591485f4cd
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 07 Jun 2021 21:25:57 +0900
parents 1d019706d866
children 2e18cbf3894f
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1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fcxx-exceptions -fexceptions -std=c++11 | FileCheck %s
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2
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3 // rdar://11904428
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4 // Ensure that we call __cxa_begin_catch before calling
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5 // std::terminate in a noexcept function.
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6 namespace test0 {
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7 void foo();
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8
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9 struct A {
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10 A();
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11 ~A();
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12 };
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13
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14 void test() noexcept {
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15 A a;
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16 foo();
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17 }
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18 }
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19 // CHECK-LABEL: define void @_ZN5test04testEv()
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20 // CHECK: [[EXN:%.*]] = alloca i8*
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21 // This goes to the terminate lpad.
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22 // CHECK: invoke void @_ZN5test01AC1Ev(
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23 // This goes to the cleanup-and-then-terminate lpad.
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24 // CHECK: invoke void @_ZN5test03fooEv()
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25 // Destructors don't throw by default in C++11.
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26 // CHECK: call void @_ZN5test01AD1Ev(
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27 // Cleanup lpad.
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28 // CHECK: [[T0:%.*]] = landingpad
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29 // CHECK-NEXT: catch i8* null
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30 // CHECK-NEXT: [[T1:%.*]] = extractvalue { i8*, i32 } [[T0]], 0
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31 // CHECK-NEXT: store i8* [[T1]], i8** [[EXN]]
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32 // (Calling this destructor is not technically required.)
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33 // CHECK: call void @_ZN5test01AD1Ev(
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34 // CHECK-NEXT: br label
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35 // The terminate landing pad jumps in here for some reason.
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36 // CHECK: [[T0:%.*]] = landingpad
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37 // CHECK-NEXT: catch i8* null
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38 // CHECK-NEXT: [[T1:%.*]] = extractvalue { i8*, i32 } [[T0]], 0
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39 // CHECK-NEXT: call void @__clang_call_terminate(i8* [[T1]])
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40 // CHECK-NEXT: unreachable
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41 // The terminate handler chained to by the cleanup lpad.
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42 // CHECK: [[T0:%.*]] = load i8*, i8** [[EXN]]
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43 // CHECK-NEXT: call void @__clang_call_terminate(i8* [[T0]])
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44 // CHECK-NEXT: unreachable
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45
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46 // CHECK-LABEL: define linkonce_odr hidden void @__clang_call_terminate(
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47 // CHECK: call i8* @__cxa_begin_catch(
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48 // CHECK-NEXT: call void @_ZSt9terminatev()
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49 // CHECK-NEXT: unreachable