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TheRock/compiler/amd-llvm/clang/test/CIR/CodeGen/base-init-eh.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

130 lines
5.0 KiB
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fexceptions -fcxx-exceptions -fclangir -emit-cir %s -o %t.cir
// RUN: FileCheck --input-file=%t.cir %s --check-prefix=CIR
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fexceptions -fcxx-exceptions -fclangir -emit-llvm %s -o %t-cir.ll
// RUN: FileCheck --input-file=%t-cir.ll %s --check-prefix=LLVM
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fexceptions -fcxx-exceptions -emit-llvm %s -o %t.ll
// RUN: FileCheck --input-file=%t.ll %s --check-prefix=OGCG
class Base {
public:
Base(int);
~Base();
};
void mayThrow();
class Derived : public Base {
public:
Derived() : Base(0) { mayThrow(); }
};
void test_base_initializer() {
Derived d;
}
// CIR: cir.func {{.*}} @_ZN7DerivedC2Ev
// CIR: %[[THIS:.*]] = cir.load %{{.*}}
// CIR: %[[BASE_ADDR:.*]] = cir.base_class_addr %[[THIS]] : !cir.ptr<!rec_Derived> nonnull [0] -> !cir.ptr<!rec_Base>
// CIR: %[[ZERO:.*]] = cir.const #cir.int<0> : !s32i
// CIR: cir.call @_ZN4BaseC2Ei(%[[BASE_ADDR]], %[[ZERO]])
// CIR: cir.cleanup.scope {
// CIR: cir.call @_Z8mayThrowv() : () -> ()
// CIR: cir.yield
// CIR: } cleanup eh {
// CIR: cir.call @_ZN4BaseD2Ev(%[[BASE_ADDR]])
// CIR: cir.yield
// CIR: }
// LLVM: define {{.*}} void @_ZN7DerivedC2Ev
// LLVM: %[[THIS:.*]] = load ptr, ptr %{{.*}}
// LLVM: call void @_ZN4BaseC2Ei(ptr {{.*}} %[[THIS]], i32 {{.*}} 0)
// LLVM: invoke void @_Z8mayThrowv()
// LLVM: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
// LLVM: [[INVOKE_CONT:.*]]:
// LLVM: br label %[[EXIT:.*]]
// LLVM: [[LPAD:.*]]:
// LLVM: %[[EXN:.*]] = landingpad { ptr, i32 }
// LLVM: cleanup
// LLVM: br label %[[EH_CLEANUP:.*]]
// LLVM: [[EH_CLEANUP:.*]]:
// LLVM: call void @_ZN4BaseD2Ev(ptr {{.*}} %[[THIS]])
// LLVM: resume { ptr, i32 } %{{.*}}
// LLVM: [[EXIT:.*]]:
// LLVM: ret void
// OGCG emits @_ZN7DerivedC2Ev below @_ZN11VirtDerivedC1Ev
class VirtDerived : public virtual Base {
public:
VirtDerived() : Base(0) { mayThrow(); }
};
void test_virt_base_initializer() {
VirtDerived v;
}
// CIR: cir.func {{.*}} @_ZN11VirtDerivedC1Ev
// CIR: %[[THIS:.*]] = cir.load %{{.*}}
// CIR: %[[BASE_ADDR:.*]] = cir.base_class_addr %[[THIS]] : !cir.ptr<!rec_VirtDerived> nonnull [0] -> !cir.ptr<!rec_Base>
// CIR: %[[ZERO:.*]] = cir.const #cir.int<0> : !s32i
// CIR: cir.call @_ZN4BaseC2Ei(%[[BASE_ADDR]], %[[ZERO]])
// CIR: cir.cleanup.scope {
// CIR: %[[VTABLE_ADDR:.*]] = cir.vtable.address_point(@_ZTV11VirtDerived, address_point = <index = 0, offset = 3>) : !cir.vptr
// CIR: %[[VTABLE_PTR:.*]] = cir.vtable.get_vptr %[[THIS]] : !cir.ptr<!rec_VirtDerived> -> !cir.ptr<!cir.vptr>
// CIR: cir.store{{.*}} %[[VTABLE_ADDR]], %[[VTABLE_PTR]] : !cir.vptr, !cir.ptr<!cir.vptr>
// CIR: cir.call @_Z8mayThrowv() : () -> ()
// CIR: cir.yield
// CIR: } cleanup eh {
// CIR: cir.call @_ZN4BaseD2Ev(%[[BASE_ADDR]])
// CIR: cir.yield
// CIR: }
// LLVM: define {{.*}} void @_ZN11VirtDerivedC1Ev
// LLVM: %[[THIS:.*]] = load ptr, ptr %{{.*}}
// LLVM: call void @_ZN4BaseC2Ei(ptr {{.*}} %[[THIS]], i32 {{.*}} 0)
// LLVM: store ptr getelementptr inbounds nuw (i8, ptr @_ZTV11VirtDerived, i64 24), ptr %[[THIS]]
// LLVM: invoke void @_Z8mayThrowv()
// LLVM: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
// LLVM: [[INVOKE_CONT:.*]]:
// LLVM: br label %[[EXIT:.*]]
// LLVM: [[LPAD:.*]]:
// LLVM: %[[EXN:.*]] = landingpad { ptr, i32 }
// LLVM: cleanup
// LLVM: br label %[[EH_CLEANUP:.*]]
// LLVM: [[EH_CLEANUP:.*]]:
// LLVM: call void @_ZN4BaseD2Ev(ptr {{.*}} %[[THIS]])
// LLVM: resume { ptr, i32 } %{{.*}}
// LLVM: [[EXIT:.*]]:
// LLVM: ret void
// OGCG: define {{.*}} void @_ZN11VirtDerivedC1Ev
// OGCG: %[[THIS:.*]] = load ptr, ptr %{{.*}}
// OGCG: call void @_ZN4BaseC2Ei(ptr {{.*}} %[[THIS]], i32 {{.*}} 0)
// OGCG: store ptr getelementptr inbounds inrange(-24, 0) ({ [3 x ptr] }, ptr @_ZTV11VirtDerived, i32 0, i32 0, i32 3), ptr %[[THIS]]
// OGCG: invoke void @_Z8mayThrowv()
// OGCG: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
// OGCG: [[INVOKE_CONT:.*]]:
// OGCG: ret void
// OGCG: [[LPAD:.*]]:
// OGCG: %[[EXN:.*]] = landingpad { ptr, i32 }
// OGCG: cleanup
// OGCG: call void @_ZN4BaseD2Ev(ptr {{.*}} %[[THIS]])
// OGCG: br label %[[EH_RESUME:.*]]
// OGCG: [[EH_RESUME:.*]]:
// OGCG: resume { ptr, i32 } %{{.*}}
// OGCG: define {{.*}} void @_ZN7DerivedC2Ev
// OGCG: %[[THIS:.*]] = load ptr, ptr %{{.*}}
// OGCG: call void @_ZN4BaseC2Ei(ptr {{.*}} %[[THIS]], i32 {{.*}} 0)
// OGCG: invoke void @_Z8mayThrowv()
// OGCG: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
// OGCG: [[INVOKE_CONT:.*]]:
// OGCG: ret void
// OGCG: [[LPAD:.*]]:
// OGCG: %[[EXN:.*]] = landingpad { ptr, i32 }
// OGCG: cleanup
// OGCG: call void @_ZN4BaseD2Ev(ptr {{.*}} %[[THIS]])
// OGCG: br label %[[EH_RESUME:.*]]
// OGCG: [[EH_RESUME:.*]]:
// OGCG: resume { ptr, i32 } %{{.*}}