| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s |
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| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s -O2 | opt - -S -globalopt -o - | FileCheck %s --check-prefix=O1 |
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| 3 | // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s |
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| 4 | // RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O2 | opt - -S -globalopt -o - | FileCheck %s --check-prefix=O1 |
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| 5 | |
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| 6 | // Check that GlobalOpt can eliminate static constructors for simple implicit |
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| 7 | // constructors. This is a targeted integration test to make sure that LLVM's |
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| 8 | // optimizers are able to process Clang's IR. GlobalOpt in particular is |
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| 9 | // sensitive to the casts we emit. |
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| 10 | |
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| 11 | // CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] |
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| 12 | // CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_ctor_globalopt.cpp, i8* null }] |
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| 13 | |
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| 14 | // CHECK-LABEL: define internal {{.*}}void @_GLOBAL__sub_I_ctor_globalopt.cpp() |
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| 15 | // CHECK: call {{.*}}void @ |
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| 16 | // CHECK-NOT: call{{ }} |
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| 17 | |
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| 18 | // O1: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer |
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| 19 | |
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| 20 | struct A { |
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| 21 | virtual void f(); |
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| 22 | int a; |
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| 23 | }; |
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| 24 | struct B : virtual A { |
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| 25 | virtual void g(); |
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| 26 | int b; |
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| 27 | }; |
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| 28 | B b; |
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| 29 | |
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