41 lines · c
1// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 < %s -o - | FileCheck %s2// CHECK:%struct.S = type { i32, i32 }3// CHECK:define{{.*}} void @test_addrspace(ptr addrspace(1) noundef %p1, ptr addrspace(2) noundef %p2) [[NUW:#[0-9]+]]4// CHECK: [[p1addr:%.*]] = alloca ptr addrspace(1)5// CHECK: [[p2addr:%.*]] = alloca ptr addrspace(2)6// CHECK: store ptr addrspace(1) %p1, ptr [[p1addr]]7// CHECK: store ptr addrspace(2) %p2, ptr [[p2addr]]8// CHECK: [[t0:%.*]] = load ptr addrspace(2), ptr [[p2addr]], align 8 9// CHECK: [[t1:%.*]] = getelementptr inbounds nuw %struct.S, ptr addrspace(2) [[t0]], i32 0, i32 110// CHECK: [[t2:%.*]] = load i32, ptr addrspace(2) [[t1]], align 411// CHECK: [[t3:%.*]] = load ptr addrspace(1), ptr [[p1addr]], align 8 12// CHECK: [[t4:%.*]] = getelementptr inbounds nuw %struct.S, ptr addrspace(1) [[t3]], i32 0, i32 0 13// CHECK: store i32 [[t2]], ptr addrspace(1) [[t4]], align 414// CHECK: [[t5:%.*]] = load ptr addrspace(2), ptr [[p2addr]], align 8 15// CHECK: [[t6:%.*]] = getelementptr inbounds nuw %struct.S, ptr addrspace(2) [[t5]], i32 0, i32 0 16// CHECK: [[t7:%.*]] = load i32, ptr addrspace(2) [[t6]], align 4 17// CHECK: [[t8:%.*]] = load ptr addrspace(1), ptr [[p1addr]], align 8 18// CHECK: [[t9:%.*]] = getelementptr inbounds nuw %struct.S, ptr addrspace(1) [[t8]], i32 0, i32 1 19// CHECK: store i32 [[t7]], ptr addrspace(1) [[t9]], align 420// CHECK: ret void21// CHECK:}22 23// Check that we don't lose the address space when accessing a member24// of a structure.25 26#define __addr1 __attribute__((address_space(1)))27#define __addr2 __attribute__((address_space(2)))28 29typedef struct S {30 int a;31 int b;32} S;33 34void test_addrspace(__addr1 S* p1, __addr2 S*p2) {35 // swap36 p1->a = p2->b;37 p1->b = p2->a;38}39 40// CHECK: attributes [[NUW]] = { noinline nounwind{{.*}} }41