90828e00a0
The CIR handling of `dso_local` for globals was upstreamed without the underscore, making it inconsistent with the incubator and LLVM IR. This change restores the underscore.
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o - 2>&1 | FileCheck %s
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// Test anonymous namespace.
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namespace {
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int g1 = 1;
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void f1(void) {}
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}
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// Test named namespace.
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namespace test {
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int g2 = 2;
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void f2(void);
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// Test nested namespace.
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namespace test2 {
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int g3 = 3;
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void f3(void);
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}
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}
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// CHECK-DAG: cir.global "private" internal dso_local @_ZN12_GLOBAL__N_12g1E = #cir.int<1> : !s32i
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// CHECK-DAG: cir.global external @_ZN4test2g2E = #cir.int<2> : !s32i
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// CHECK-DAG: cir.global external @_ZN4test5test22g3E = #cir.int<3> : !s32i
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// CHECK-DAG: cir.func @_ZN12_GLOBAL__N_12f1Ev()
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// CHECK-DAG: cir.func @_ZN4test2f2Ev()
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// CHECK-DAG: cir.func @_ZN4test5test22f3Ev()
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using namespace test;
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// Test global function.
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int f4(void) {
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f1();
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f2();
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test2::f3();
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return g1 + g2 + test2::g3;
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}
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// The namespace gets added during name mangling, so this is wrong but expected.
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// CHECK: cir.func @_Z2f4v()
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// CHECK: cir.call @_ZN12_GLOBAL__N_12f1Ev()
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// CHECK: cir.call @_ZN4test2f2Ev()
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// CHECK: cir.call @_ZN4test5test22f3Ev()
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// CHECK: %[[G1_ADDR:.*]] = cir.get_global @_ZN12_GLOBAL__N_12g1E : !cir.ptr<!s32i>
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// CHECK: %[[G1_VAL:.*]] = cir.load{{.*}} %[[G1_ADDR]] : !cir.ptr<!s32i>, !s32i
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// CHECK: %[[G2_ADDR:.*]] = cir.get_global @_ZN4test2g2E : !cir.ptr<!s32i>
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// CHECK: %[[G2_VAL:.*]] = cir.load{{.*}} %[[G2_ADDR]] : !cir.ptr<!s32i>, !s32i
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// CHECK: %[[SUM:.*]] = cir.binop(add, %[[G1_VAL]], %[[G2_VAL]]) nsw : !s32i
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// CHECK: %[[G3_ADDR:.*]] = cir.get_global @_ZN4test5test22g3E : !cir.ptr<!s32i>
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// CHECK: %[[G3_VAL:.*]] = cir.load{{.*}} %[[G3_ADDR]] : !cir.ptr<!s32i>, !s32i
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// CHECK: %[[SUM2:.*]] = cir.binop(add, %[[SUM]], %[[G3_VAL]]) nsw : !s32i
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using test2::f3;
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using test2::g3;
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int f5() {
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f3();
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return g3;
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}
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// CHECK: cir.func @_Z2f5v()
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// CHECK: cir.call @_ZN4test5test22f3Ev()
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// CHECK: %[[G3_ADDR:.*]] = cir.get_global @_ZN4test5test22g3E : !cir.ptr<!s32i>
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// CHECK: %[[G3_VAL:.*]] = cir.load{{.*}} %[[G3_ADDR]] : !cir.ptr<!s32i>, !s32i
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namespace test3 {
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struct S {
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int a;
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} s;
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}
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using test3::s;
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int f6() {
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return s.a;
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}
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// CHECK: cir.func @_Z2f6v()
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// CHECK: cir.get_global @_ZN5test31sE : !cir.ptr<!rec_test33A3AS>
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// CHECK: cir.get_member %{{.*}}[0] {name = "a"}
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int shadowedFunc() {
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return 3;
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}
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namespace shadow {
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using ::shadowedFunc;
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}
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void f7() {
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shadow::shadowedFunc();
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}
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// CHECK: cir.func @_Z2f7v()
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