Mercurial > hg > CbC > CbC_llvm
view debuginfo-tests/llgdb-tests/nrvo-string.cpp @ 171:66f3bfe93da9
git version 2c4ca6832fa6b306ee6a7010bfb80a3f2596f824
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 11:07:02 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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// This ensures that DW_OP_deref is inserted when necessary, such as when NRVO // of a string object occurs in C++. // // RUN: %clangxx -O0 -fno-exceptions %target_itanium_abi_host_triple %s -o %t.out -g // RUN: %test_debuginfo %s %t.out // RUN: %clangxx -O1 -fno-exceptions %target_itanium_abi_host_triple %s -o %t.out -g // RUN: %test_debuginfo %s %t.out // // PR34513 volatile int sideeffect = 0; void __attribute__((noinline)) stop() { sideeffect++; } struct string { string() {} string(int i) : i(i) {} ~string() {} int i = 0; }; string get_string() { string unused; string result = 3; // DEBUGGER: break 23 stop(); return result; } void some_function(int) {} struct string2 { string2() = default; string2(string2 &&other) { i = other.i; } int i; }; string2 get_string2() { string2 result; result.i = 5; some_function(result.i); // Test that the debugger can get the value of result after another // function is called. // DEBUGGER: break 39 stop(); return result; } int main() { get_string(); get_string2(); } // DEBUGGER: r // DEBUGGER: print result.i // CHECK: = 3 // DEBUGGER: c // DEBUGGER: print result.i // CHECK: = 5