clang/test/CodeGenCXX/const-dynamic-init.cpp

   1 // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
   2
   3 __attribute__((section("A")))
   4 const int a = 1;
   5 const int *f() { return &a; }
   6 // CHECK: @_ZL1a = internal constant i32 1, section "A"
   7
   8 int init();
   9 __attribute__((section("B")))
  10 const int b = init();
  11 // Even if it's const-qualified, it must not be LLVM IR `constant` since it's
  12 // dynamically initialised.
  13 // CHECK: @_ZL1b = internal global i32 0, section "B"
  14
  15 __attribute__((section("C")))
  16 int c = 2;
  17 // CHECK: @c = {{.*}}global i32 2, section "C"
  18
  19 __attribute__((section("D")))
  20 int d = init();
  21 // CHECK: @d = {{.*}}global i32 0, section "D"
  22
  23 __attribute__((section("E")))
  24 int e;
  25 // CHECK: @e = {{.*}}global i32 0, section "E", align 4