minix/external/bsd/llvm/dist/clang/test/CodeGen/address-space.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

44 lines
1.3 KiB
C

// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | grep 'load.*addrspace(2).. @A'
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | grep 'load.*addrspace(2).. @B'
// CHECK: @foo = common addrspace(1) global
int foo __attribute__((address_space(1)));
// CHECK: @ban = common addrspace(1) global
int ban[10] __attribute__((address_space(1)));
// CHECK-LABEL: define i32 @test1()
// CHECK: load i32 addrspace(1)* @foo
int test1() { return foo; }
// CHECK-LABEL: define i32 @test2(i32 %i)
// CHECK: load i32 addrspace(1)*
// CHECK-NEXT: ret i32
int test2(int i) { return ban[i]; }
// Both A and B point into addrspace(2).
__attribute__((address_space(2))) int *A, *B;
// CHECK-LABEL: define void @test3()
// CHECK: load i32 addrspace(2)** @B
// CHECK: load i32 addrspace(2)*
// CHECK: load i32 addrspace(2)** @A
// CHECK: store i32 {{.*}}, i32 addrspace(2)*
void test3() {
*A = *B;
}
// PR7437
typedef struct {
float aData[1];
} MyStruct;
// CHECK-LABEL: define void @test4(
// CHECK: call void @llvm.memcpy.p0i8.p2i8
// CHECK: call void @llvm.memcpy.p2i8.p0i8
void test4(MyStruct __attribute__((address_space(2))) *pPtr) {
MyStruct s = pPtr[0];
pPtr[0] = s;
}