0045bfca9c
This patch handles both implicit and explicit template instantiations of template class static member variables.
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --input-file=%t.cir %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t1.ll
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// RUN: FileCheck --check-prefix=LLVM --input-file=%t1.ll %s
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t1.ll
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// RUN: FileCheck --check-prefix=OGCG --input-file=%t1.ll %s
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template<typename T>
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struct implicitly_instantiated {
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static T member;
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};
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template<typename T>
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T implicitly_instantiated<T>::member = 12345;
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int use_implicitly_instantiated() {
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return implicitly_instantiated<int>::member;
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}
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// CHECK-DAG: cir.global linkonce_odr comdat @_ZN23implicitly_instantiatedIiE6memberE = #cir.int<12345> : !s32i
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// LLVM-DAG: @_ZN23implicitly_instantiatedIiE6memberE = linkonce_odr global i32 12345, comdat
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// OGCG-DAG: @_ZN23implicitly_instantiatedIiE6memberE = linkonce_odr global i32 12345, comdat
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template<typename T>
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struct explicitly_instantiated {
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static T member;
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};
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template<typename T>
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T explicitly_instantiated<T>::member = 54321;
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template int explicitly_instantiated<int>::member;
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// CHECK-DAG: cir.global weak_odr comdat @_ZN23explicitly_instantiatedIiE6memberE = #cir.int<54321> : !s32i
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// LLVM-DAG: @_ZN23explicitly_instantiatedIiE6memberE = weak_odr global i32 54321, comdat
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// OGCG-DAG: @_ZN23explicitly_instantiatedIiE6memberE = weak_odr global i32 54321, comdat
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void func1(void) {
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// Should lower default-initialized static vars.
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static int i;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func1vE1i = #cir.int<0> : !s32i
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// Should lower constant-initialized static vars.
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static int j = 1;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func1vE1j = #cir.int<1> : !s32i
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// Should properly shadow static vars in nested scopes.
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{
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static int j = 2;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func1vE1j_0 = #cir.int<2> : !s32i
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}
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{
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static int j = 3;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func1vE1j_1 = #cir.int<3> : !s32i
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}
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// Should lower basic static vars arithmetics.
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j++;
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// CHECK-DAG: %[[#V2:]] = cir.get_global @_ZZ5func1vE1j : !cir.ptr<!s32i>
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// CHECK-DAG: %[[#V3:]] = cir.load{{.*}} %[[#V2]] : !cir.ptr<!s32i>, !s32i
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// CHECK-DAG: %[[#V4:]] = cir.unary(inc, %[[#V3]]) nsw : !s32i, !s32i
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// CHECK-DAG: cir.store{{.*}} %[[#V4]], %[[#V2]] : !s32i, !cir.ptr<!s32i>
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}
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// Should shadow static vars on different functions.
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void func2(void) {
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static char i;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func2vE1i = #cir.int<0> : !s8i
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static float j;
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// CHECK-DAG: cir.global "private" internal dso_local @_ZZ5func2vE1j = #cir.fp<0.000000e+00> : !cir.float
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}
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// CHECK-DAG: cir.global linkonce_odr comdat @_ZZ4testvE1c = #cir.int<0> : !s32i
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// LLVM-DAG: $_ZZ4testvE1c = comdat any
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// LLVM-DAG: @_ZZ4testvE1c = linkonce_odr global i32 0, comdat, align 4
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// OGCG-DAG: $_ZZ4testvE1c = comdat any
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// OGCG-DAG: @_ZZ4testvE1c = linkonce_odr global i32 0, comdat, align 4
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inline void test() { static int c; }
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// CHECK-LABEL: @_Z4testv
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// CHECK: {{%.*}} = cir.get_global @_ZZ4testvE1c : !cir.ptr<!s32i>
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void foo() { test(); }
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