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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // Check that we can still observe the value of the coroutine frame | ||
| // with optimizations. | ||
| // | ||
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \ | ||
| // RUN: -emit-llvm %s -debug-info-kind=limited -dwarf-version=5 \ | ||
| // RUN: -O2 -o - | FileCheck %s | ||
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| #include "Inputs/coroutine.h" | ||
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| template <> | ||
| struct std::coroutine_traits<void> { | ||
| struct promise_type { | ||
| void get_return_object(); | ||
| std::suspend_always initial_suspend(); | ||
| std::suspend_always final_suspend() noexcept; | ||
| void return_void(); | ||
| void unhandled_exception(); | ||
| }; | ||
| }; | ||
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| struct ScalarAwaiter { | ||
| template <typename F> void await_suspend(F); | ||
| bool await_ready(); | ||
| int await_resume(); | ||
| }; | ||
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| extern "C" void UseScalar(int); | ||
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| extern "C" void f() { | ||
| UseScalar(co_await ScalarAwaiter{}); | ||
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| int Val = co_await ScalarAwaiter{}; | ||
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| co_await ScalarAwaiter{}; | ||
| } | ||
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| // CHECK: define {{.*}}@f.resume({{.*}} %[[ARG:.*]]) | ||
| // CHECK: #dbg_value(ptr %[[ARG]], ![[CORO_NUM:[0-9]+]], !DIExpression(DW_OP_deref) | ||
| // CHECK: ![[CORO_NUM]] = !DILocalVariable(name: "__coro_frame" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| REQUIRES: x86 | ||
| RUN: split-file %s %t.dir && cd %t.dir | ||
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| RUN: llvm-mc -filetype=obj -triple=x86_64-windows test.s -o test.obj | ||
| RUN: llvm-mc -filetype=obj -triple=x86_64-windows sym2.s -o sym2.obj | ||
| RUN: llvm-mc -filetype=obj -triple=x86_64-windows def.s -o def.obj | ||
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| RUN: not lld-link -machine:amd64 -dll -noentry -out:test.dll test.obj sym2.obj 2>&1 | FileCheck -check-prefix=ERR %s | ||
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| ERR: error: undefined symbol: testsym | ||
| ERR-NEXT: >>> referenced by test.obj | ||
| ERR-EMPTY: | ||
| ERR-NEXT: error: undefined symbol: sym1 | ||
| ERR-NEXT: >>> referenced by test.obj | ||
| ERR-NEXT: >>> referenced by sym2.obj | ||
| ERR-EMPTY: | ||
| ERR-NEXT: error: undefined symbol: sym2 | ||
| ERR-NEXT: >>> referenced by test.obj | ||
| ERR-NEXT: >>> referenced by sym2.obj | ||
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| Depending on symbol processing order, we may have temporary weak reference cycles: | ||
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| RUN: lld-link -machine:amd64 -dll -noentry -out:test.dll test.obj sym2.obj def.obj | ||
| RUN: lld-link -machine:amd64 -dll -noentry -out:test.dll test.obj def.obj sym2.obj | ||
| RUN: lld-link -machine:amd64 -dll -noentry -out:test.dll def.obj test.obj sym2.obj | ||
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| #--- test.s | ||
| .weak testsym | ||
| .set testsym, sym1 | ||
| .weak sym1 | ||
| .set sym1, sym2 | ||
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| #--- sym2.s | ||
| .weak sym2 | ||
| .set sym2, sym1 | ||
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| #--- def.s | ||
| .globl sym1 | ||
| .data | ||
| sym1: | ||
| .word 0 |
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