clang/test/CodeGenCXX/pr27030.cpp

   1 // RUN: %clang_cc1 -emit-llvm -triple=i386-pc-win32 %s -o - | FileCheck %s
   2 struct A {};
   3 struct B : A {};
   4 extern "C" {
   5 extern int B::*a;
   6 void test1() { (int A::*)(a); }
   7 }
   8 // CHECK-LABEL: define dso_local void @test1(
   9 // CHECK: %[[load:.*]]       = load i32, ptr @a
  10 // CHECK: %[[memptr_cmp:.*]] = icmp ne i32 %[[load]], -1
  11 // CHECK: br i1 %[[memptr_cmp]]
  12
  13 // CHECK: %[[adj:.*]] = sub nsw i32 %[[load]], 0
  14 // CHECK: %[[nv_adj:.*]] = select i1 true, i32 %[[adj]], i32 0
  15
  16 // CHECK: %[[memptr_converted:.*]] = phi i32 [ -1, {{.*}} ], [ %[[nv_adj]], {{.*}} ]