text: // RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -check-prefixes=PIZ,COM %s
  // RUN: %clang_cc1 -triple amdgcn---amdgiz -emit-llvm < %s | FileCheck -check-prefixes=CHECK,COM %s
  
  // PIZ-DAG: @foo = common addrspace(1) global i32 0
  // CHECK-DAG: @foo = common addrspace(1) global i32 0
  int foo;
  
  // PIZ-DAG: @ban = common addrspace(1) global [10 x i32] zeroinitializer
  // CHECK-DAG: @ban = common addrspace(1) global [10 x i32] zeroinitializer
  int ban[10];
  
  // PIZ-DAG: @A = common addrspace(1) global i32 addrspace(4)* null
  // PIZ-DAG: @B = common addrspace(1) global i32 addrspace(4)* null
  // CHECK-DAG: @A = common addrspace(1) global i32* null
  // CHECK-DAG: @B = common addrspace(1) global i32* null
  int *A;
  int *B;
  
  // COM-LABEL: define i32 @test1()
  // PIZ: load i32, i32 addrspace(4)* addrspacecast{{[^@]+}} @foo
  // CHECK: load i32, i32* addrspacecast{{[^@]+}} @foo
  int test1() { return foo; }
  
  // COM-LABEL: define i32 @test2(i32 %i)
  // COM: %[[addr:.*]] = getelementptr
  // PIZ: load i32, i32 addrspace(4)* %[[addr]]
  // PIZ-NEXT: ret i32
  // CHECK: load i32, i32* %[[addr]]
  // CHECK-NEXT: ret i32
  int test2(int i) { return ban[i]; }
  
  // COM-LABEL: define void @test3()
  // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* addrspacecast{{[^@]+}} @B
  // PIZ: load i32, i32 addrspace(4)*
  // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* addrspacecast{{[^@]+}} @A
  // PIZ: store i32 {{.*}}, i32 addrspace(4)*
  // CHECK: load i32*, i32** addrspacecast{{.*}} @B
  // CHECK: load i32, i32*
  // CHECK: load i32*, i32** addrspacecast{{.*}} @A
  // CHECK: store i32 {{.*}}, i32*
  void test3() {
    *A = *B;
  }
  
  // PIZ-LABEL: define void @test4(i32 addrspace(4)* %a)
  // PIZ: %[[alloca:.*]] = alloca i32 addrspace(4)*
  // PIZ: %[[a_addr:.*]] = addrspacecast{{.*}} %[[alloca]] to i32 addrspace(4)* addrspace(4)*
  // PIZ: store i32 addrspace(4)* %a, i32 addrspace(4)* addrspace(4)* %[[a_addr]]
  // PIZ: %[[r0:.*]] = load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* %[[a_addr]]
  // PIZ: %[[arrayidx:.*]] = getelementptr inbounds i32, i32 addrspace(4)* %[[r0]]
  // PIZ: store i32 0, i32 addrspace(4)* %[[arrayidx]]
  // CHECK-LABEL: define void @test4(i32* %a)
  // CHECK: %[[alloca:.*]] = alloca i32*, align 8, addrspace(5)
  // CHECK: %[[a_addr:.*]] = addrspacecast{{.*}} %[[alloca]] to i32**
  // CHECK: store i32* %a, i32** %[[a_addr]]
  // CHECK: %[[r0:.*]] = load i32*, i32** %[[a_addr]]
  // CHECK: %[[arrayidx:.*]] = getelementptr inbounds i32, i32* %[[r0]]
  // CHECK: store i32 0, i32* %[[arrayidx]]
  void test4(int *a) {
    a[0] = 0;
  }
  