llvm-project/clang/test/CodeGen/address-space-field1.c

39 lines
2.1 KiB
C

// RUN: %clang_cc1 -emit-llvm < %s -o - | FileCheck %s
// CHECK:%struct.S = type { i32, i32 }
// CHECK:define void @test_addrspace(%struct.S addrspace(1)* %p1, %struct.S addrspace(2)* %p2) nounwind
// CHECK: [[p1addr:%.*]] = alloca %struct.S addrspace(1)* ; <%struct.S addrspace(1)**> [#uses=3]
// CHECK: [[p2addr:%.*]] = alloca %struct.S addrspace(2)* ; <%struct.S addrspace(2)**> [#uses=3]
// CHECK: store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** [[p1addr]]
// CHECK: store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** [[p2addr]]
// CHECK: [[t0:%.*]] = load %struct.S addrspace(2)** [[p2addr]] ; <%struct.S addrspace(2)*> [#uses=1]
// CHECK: [[t1:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t0]], i32 0, i32 1 ; <i32 addrspace(2)*> [#uses=1]
// CHECK: [[t2:%.*]] = load i32 addrspace(2)* [[t1]] ; <i32> [#uses=1]
// CHECK: [[t3:%.*]] = load %struct.S addrspace(1)** [[p1addr]] ; <%struct.S addrspace(1)*> [#uses=1]
// CHECK: [[t4:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t3]], i32 0, i32 0 ; <i32 addrspace(1)*> [#uses=1]
// CHECK: store i32 [[t2]], i32 addrspace(1)* [[t4]]
// CHECK: [[t5:%.*]] = load %struct.S addrspace(2)** [[p2addr]] ; <%struct.S addrspace(2)*> [#uses=1]
// CHECK: [[t6:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t5]], i32 0, i32 0 ; <i32 addrspace(2)*> [#uses=1]
// CHECK: [[t7:%.*]] = load i32 addrspace(2)* [[t6]] ; <i32> [#uses=1]
// CHECK: [[t8:%.*]] = load %struct.S addrspace(1)** [[p1addr]] ; <%struct.S addrspace(1)*> [#uses=1]
// CHECK: [[t9:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t8]], i32 0, i32 1 ; <i32 addrspace(1)*> [#uses=1]
// CHECK: store i32 [[t7]], i32 addrspace(1)* [[t9]]
// CHECK: ret void
// CHECK:}
// Check that we don't lose the address space when accessing a member
// of a structure.
#define __addr1 __attribute__((address_space(1)))
#define __addr2 __attribute__((address_space(2)))
typedef struct S {
int a;
int b;
} S;
void test_addrspace(__addr1 S* p1, __addr2 S*p2) {
// swap
p1->a = p2->b;
p1->b = p2->a;
}