llvm-project/clang/test/CodeGenCXX/empty-nontrivially-copyable.cpp
Juneyoung Lee f193bcc701 Revert D105169 due to the two-stage failure in ASAN
This reverts the following commits:
37ca7a795b277c20c02a218bf44052278c03344b
9aa6c72b92b6c89cc6d23b693257df9af7de2d15
705387c5074bcca36d626882462ebbc2bcc3bed4
8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515
80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
2021-10-18 23:52:46 +09:00

27 lines
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C++

// RUN: %clang_cc1 -triple armv7-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple arm64-apple-ios -x c++ -emit-llvm -o - %s | FileCheck %s
// According to the Itanium ABI (3.1.1), types with non-trivial copy
// constructors passed by value should be passed indirectly, with the caller
// creating a temporary.
struct Empty;
struct Empty {
Empty(const Empty &e);
bool check();
};
bool foo(Empty e) {
// CHECK: @_Z3foo5Empty(%struct.Empty* %e)
// CHECK: call {{.*}} @_ZN5Empty5checkEv(%struct.Empty* {{[^,]*}} %e)
return e.check();
}
void caller(Empty &e) {
// CHECK: @_Z6callerR5Empty(%struct.Empty* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %e)
// CHECK: call {{.*}} @_ZN5EmptyC1ERKS_(%struct.Empty* {{[^,]*}} [[NEWTMP:%.*]], %struct.Empty*
// CHECK: call {{.*}} @_Z3foo5Empty(%struct.Empty* [[NEWTMP]])
foo(e);
}