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Diffstat (limited to 'test/CodeGenCXX/copy-constructor-elim.cpp')
-rw-r--r-- | test/CodeGenCXX/copy-constructor-elim.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGenCXX/copy-constructor-elim.cpp b/test/CodeGenCXX/copy-constructor-elim.cpp new file mode 100644 index 000000000000..daef92cdb767 --- /dev/null +++ b/test/CodeGenCXX/copy-constructor-elim.cpp @@ -0,0 +1,43 @@ +// RUN: clang-cc -emit-llvm -o %t %s && +// RUN: grep "_ZN1CC1ERK1C" %t | count 0 && +// RUN: grep "_ZN1SC1ERK1S" %t | count 0 && +// RUN: true + +extern "C" int printf(...); + + +struct C { + C() : iC(6) {printf("C()\n"); } + C(const C& c) { printf("C(const C& c)\n"); } + int iC; +}; + +C foo() { + return C(); +}; + +class X { // ... +public: + X(int) {} + X(const X&, int i = 1, int j = 2, C c = foo()) { + printf("X(const X&, %d, %d, %d)\n", i, j, c.iC); + } +}; + + +struct S { + S(); +}; + +S::S() { printf("S()\n"); } + +void Call(S) {}; + +int main() { + X a(1); + X b(a, 2); + X c = b; + X d(a, 5, 6); + S s; + Call(s); +} |