clang/test/CodeGenCXX/static-init-inline-variable.cpp

   1 // RUN: %clang_cc1 -std=c++17 -S -emit-llvm -disable-llvm-passes -o - %s -triple x86_64-linux-gnu | FileCheck %s
   2
   3 struct A {
   4   int x;
   5   A(int x) : x(x) {}
   6   ~A() {}
   7 };
   8
   9 namespace DeferredSequence {
  10 inline int a = 1;
  11 inline int b = a + 1;
  12 inline int c = b + 1;
  13 inline int d = c + 1;
  14 int e = d;
  15 }
  16
  17 namespace MixedSequence {
  18 inline A a(1);
  19 inline int x = a.x + 1;
  20 inline int y = x + 1;
  21 inline A b(y);
  22 inline int z = b.x + 1;
  23 inline int w = z + 1;
  24 inline A c(b.x);
  25 inline A d(c.x);
  26 int t = w;
  27 }
  28
  29 namespace NonDeferredSequence {
  30 inline A a(1);
  31 inline A b(a.x);
  32 inline A c(b.x);
  33 inline A d(c.x);
  34 }
  35
  36 // CHECK: @llvm.global_ctors = appending global [16 x { i32, ptr, ptr }] [
  37 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.12, ptr @_ZN16DeferredSequence1bE },
  38 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.11, ptr @_ZN16DeferredSequence1cE },
  39 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.10, ptr @_ZN16DeferredSequence1dE },
  40 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.1,  ptr @_ZN13MixedSequence1aE },
  41 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.14, ptr @_ZN13MixedSequence1xE },
  42 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.13, ptr @_ZN13MixedSequence1yE },
  43 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.2,  ptr @_ZN13MixedSequence1bE },
  44 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.16, ptr @_ZN13MixedSequence1zE },
  45 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.15, ptr @_ZN13MixedSequence1wE },
  46 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.3,  ptr @_ZN13MixedSequence1cE },
  47 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.4,  ptr @_ZN13MixedSequence1dE },
  48 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.6,  ptr @_ZN19NonDeferredSequence1aE },
  49 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.7,  ptr @_ZN19NonDeferredSequence1bE },
  50 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.8,  ptr @_ZN19NonDeferredSequence1cE },
  51 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.9,  ptr @_ZN19NonDeferredSequence1dE },
  52 // CHECK-SAME: { i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_static_init_inline_variable.cpp, ptr null }