forked from OSchip/llvm-project
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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// This ensures that DW_OP_deref is inserted when necessary, such as when NRVO
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// of a string object occurs in C++.
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//
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// RUN: %clang_cl %s -o %t.exe -fuse-ld=lld -Z7
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// RUN: grep DE[B]UGGER: %s | sed -e 's/.*DE[B]UGGER: //' > %t.script
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// RUN: %cdb -cf %t.script %t.exe | FileCheck %s --check-prefixes=DEBUGGER,CHECK
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//
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struct string {
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string() {}
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string(int i) : i(i) {}
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~string() {}
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int i = 0;
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};
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string get_string() {
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string unused;
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string result = 3;
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__debugbreak();
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return result;
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}
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void some_function(int) {}
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struct string2 {
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string2() = default;
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string2(string2 &&other) { i = other.i; }
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int i;
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};
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string2 get_string2() {
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string2 result;
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result.i = 5;
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some_function(result.i);
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// Test that the debugger can get the value of result after another
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// function is called.
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__debugbreak();
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return result;
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}
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int main() {
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get_string();
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get_string2();
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}
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// DEBUGGER: g
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// DEBUGGER: ?? result
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// CHECK: struct string *
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// CHECK: +0x000 i : 0n3
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// DEBUGGER: g
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// DEBUGGER: ?? result
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// CHECK: struct string2 *
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// CHECK: +0x000 i : 0n5
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// DEBUGGER: q
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