derek.holloway
7502bf64a4
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78 lines
4.5 KiB
C++
78 lines
4.5 KiB
C++
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
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// RUN: cir-opt --cir-flatten-cfg %t.cir -o %t-flat.cir
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// RUN: FileCheck --input-file=%t-flat.cir %s --check-prefix=CIR-FLAT
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -fclangir -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -emit-llvm %s -o %t.ll
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// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
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struct S {
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int data[5];
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void method();
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int &ref_return();
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void ref_param(int &i);
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};
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// Test that 'this' pointer attributes (nonnull, noundef, align,
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// dereferenceable) are preserved on invoke instructions lowered from
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// calls inside try blocks.
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void test_this_ptr_attrs(S &s) {
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try {
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s.method();
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} catch (...) {}
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}
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// CIR-LABEL: cir.func {{.*}}@_Z19test_this_ptr_attrsR1S
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// CIR: cir.call @_ZN1S6methodEv({{%.*}}) : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}) -> ()
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// CIR-FLAT-LABEL: cir.func {{.*}}@_Z19test_this_ptr_attrsR1S
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// CIR-FLAT: cir.try_call @_ZN1S6methodEv({{%.*}}) ^{{bb[0-9]+}}, ^{{bb[0-9]+}} : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}) -> ()
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// LLVM-LABEL: define {{.*}} void @_Z19test_this_ptr_attrsR1S
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// LLVM: invoke void @_ZN1S6methodEv(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}})
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// OGCG-LABEL: define {{.*}} void @_Z19test_this_ptr_attrsR1S
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// OGCG: invoke void @_ZN1S6methodEv(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}})
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// Test that both 'this' and reference parameter attributes are preserved
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// on invoke instructions.
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void test_ref_param_attrs(S &s, int &i) {
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try {
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s.ref_param(i);
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} catch (...) {}
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}
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// CIR-LABEL: cir.func {{.*}}@_Z20test_ref_param_attrsR1SRi
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// CIR: cir.call @_ZN1S9ref_paramERi({{%.*}}, {{%.*}}) : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}, !cir.ptr<!s32i> {llvm.align = 4 : i64, llvm.dereferenceable = 4 : i64, llvm.nonnull, llvm.noundef}) -> ()
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// CIR-FLAT-LABEL: cir.func {{.*}}@_Z20test_ref_param_attrsR1SRi
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// CIR-FLAT: cir.try_call @_ZN1S9ref_paramERi({{%.*}}, {{%.*}}) ^{{bb[0-9]+}}, ^{{bb[0-9]+}} : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}, !cir.ptr<!s32i> {llvm.align = 4 : i64, llvm.dereferenceable = 4 : i64, llvm.nonnull, llvm.noundef}) -> ()
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// LLVM-LABEL: define {{.*}} void @_Z20test_ref_param_attrsR1SRi
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// LLVM: invoke void @_ZN1S9ref_paramERi(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}}, ptr noundef nonnull align 4 dereferenceable(4) {{%.*}})
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// OGCG-LABEL: define {{.*}} void @_Z20test_ref_param_attrsR1SRi
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// OGCG: invoke void @_ZN1S9ref_paramERi(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}}, ptr noundef nonnull align 4 dereferenceable(4) {{%.*}})
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// Test that return attributes (nonnull, noundef, align, dereferenceable)
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// and parameter attributes are preserved on invoke instructions that
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// return a value.
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void test_ref_return_attrs(S &s) {
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try {
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int &r = s.ref_return();
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} catch (...) {}
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}
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// CIR-LABEL: cir.func {{.*}}@_Z21test_ref_return_attrsR1S
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// CIR: cir.call @_ZN1S10ref_returnEv({{%.*}}) : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}) -> (!cir.ptr<!s32i> {llvm.align = 4 : i64, llvm.dereferenceable = 4 : i64, llvm.nonnull, llvm.noundef})
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// CIR-FLAT-LABEL: cir.func {{.*}}@_Z21test_ref_return_attrsR1S
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// CIR-FLAT: cir.try_call @_ZN1S10ref_returnEv({{%.*}}) ^{{bb[0-9]+}}, ^{{bb[0-9]+}} : (!cir.ptr<!rec_S> {llvm.align = 4 : i64, llvm.dereferenceable = 20 : i64, llvm.nonnull, llvm.noundef}) -> (!cir.ptr<!s32i> {llvm.align = 4 : i64, llvm.dereferenceable = 4 : i64, llvm.nonnull, llvm.noundef})
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// LLVM-LABEL: define {{.*}} void @_Z21test_ref_return_attrsR1S
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// LLVM: {{%.*}} = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN1S10ref_returnEv(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}})
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// OGCG-LABEL: define {{.*}} void @_Z21test_ref_return_attrsR1S
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// OGCG: {{%.*}} = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN1S10ref_returnEv(ptr noundef nonnull align 4 dereferenceable(20) {{%.*}})
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