clang/test/CodeGenCXX/2012-03-16-StoreAlign.cpp

   1 // RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin %s | FileCheck %s
   2
   3 struct Length {
   4   Length(double v) {
   5     m_floatValue = static_cast<float>(v);
   6   }
   7
   8   bool operator==(const Length& o) const {
   9     return getFloatValue() == o.getFloatValue();
  10   }
  11   bool operator!=(const Length& o) const { return !(*this == o); }
  12 private:
  13   float getFloatValue() const {
  14     return m_floatValue;
  15   }
  16   float m_floatValue;
  17 };
  18
  19
  20 struct Foo {
  21   static Length inchLength(double inch);
  22   static bool getPageSizeFromName(const Length &A) {
  23     static const Length legalWidth = inchLength(8.5);
  24     if (A != legalWidth) return true;
  25     return false;
  26   }
  27 };
  28
  29 // CHECK: @_ZZN3Foo19getPageSizeFromNameERK6LengthE10legalWidth = linkonce_odr global %struct.Length zeroinitializer, align 4
  30 // CHECK: store float %{{.*}}, ptr @_ZZN3Foo19getPageSizeFromNameERK6LengthE10legalWidth, align 4
  31
  32 bool bar(Length &b) {
  33   Foo f;
  34   return f.getPageSizeFromName(b);
  35 }