25 lines
710 B
C++
25 lines
710 B
C++
// RUN: %clang_cc1 -triple armv7-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s
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// According to the Itanium ABI (3.1.1), types with non-trivial copy
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// constructors passed by value should be passed indirectly, with the caller
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// creating a temporary.
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struct Empty;
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struct Empty {
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Empty(const Empty &e);
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bool check();
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};
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bool foo(Empty e) {
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// CHECK: @_Z3foo5Empty(%struct.Empty* %e)
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// CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* %e)
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return e.check();
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}
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void caller(Empty &e) {
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// CHECK: @_Z6callerR5Empty(%struct.Empty* %e)
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// CHECK: call {{.*}} @_ZN5EmptyC1ERKS_(%struct.Empty* [[NEWTMP:%.*]], %struct.Empty*
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// CHECK: call {{.*}} @_Z3foo5Empty(%struct.Empty* [[NEWTMP]])
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foo(e);
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}
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