1 // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 < %s -o - | FileCheck %s 2 // CHECK:%struct.S = type { i32, i32 } 3 // CHECK:define void @test_addrspace(%struct.S addrspace(1)* %p1, %struct.S addrspace(2)* %p2) [[NUW:#[0-9]+]] 4 // CHECK: [[p1addr:%.*]] = alloca %struct.S addrspace(1)* 5 // CHECK: [[p2addr:%.*]] = alloca %struct.S addrspace(2)* 6 // CHECK: store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** [[p1addr]] 7 // CHECK: store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** [[p2addr]] 8 // CHECK: [[t0:%.*]] = load %struct.S addrspace(2)** [[p2addr]], align 8 9 // CHECK: [[t1:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t0]], i32 0, i32 1 10 // CHECK: [[t2:%.*]] = load i32 addrspace(2)* [[t1]], align 4 11 // CHECK: [[t3:%.*]] = load %struct.S addrspace(1)** [[p1addr]], align 8 12 // CHECK: [[t4:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t3]], i32 0, i32 0 13 // CHECK: store i32 [[t2]], i32 addrspace(1)* [[t4]], align 4 14 // CHECK: [[t5:%.*]] = load %struct.S addrspace(2)** [[p2addr]], align 8 15 // CHECK: [[t6:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t5]], i32 0, i32 0 16 // CHECK: [[t7:%.*]] = load i32 addrspace(2)* [[t6]], align 4 17 // CHECK: [[t8:%.*]] = load %struct.S addrspace(1)** [[p1addr]], align 8 18 // CHECK: [[t9:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t8]], i32 0, i32 1 19 // CHECK: store i32 [[t7]], i32 addrspace(1)* [[t9]], align 4 20 // CHECK: ret void 21 // CHECK:} 22 23 // Check that we don't lose the address space when accessing a member 24 // of a structure. 25 26 #define __addr1 __attribute__((address_space(1))) 27 #define __addr2 __attribute__((address_space(2))) 28 29 typedef struct S { 30 int a; 31 int b; 32 } S; 33 34 void test_addrspace(__addr1 S* p1, __addr2 S*p2) { 35 // swap 36 p1->a = p2->b; 37 p1->b = p2->a; 38 } 39 40 // CHECK: attributes [[NUW]] = { nounwind{{.*}} } 41
