| // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck -enable-var-scope -check-prefixes=CHECK,X86 %s |
| // RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -enable-var-scope -check-prefixes=CHECK,AMDGCN %s |
| |
| // CHECK: @foo ={{.*}} addrspace(1) global |
| int foo __attribute__((address_space(1))); |
| |
| // CHECK: @ban ={{.*}} addrspace(1) global |
| int ban[10] __attribute__((address_space(1))); |
| |
| // CHECK: @a ={{.*}} global |
| int a __attribute__((address_space(0))); |
| |
| // CHECK-LABEL: define{{.*}} i32 @test1() |
| // CHECK: load i32, ptr addrspace(1) @foo |
| int test1(void) { return foo; } |
| |
| // CHECK-LABEL: define{{.*}} i32 @test2(i32 noundef %i) |
| // CHECK: load i32, ptr 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() |
| // X86: load ptr addrspace(2), ptr @B |
| // AMDGCN: load ptr addrspace(2), ptr addrspacecast (ptr addrspace(1) @B to ptr) |
| // CHECK: load i32, ptr addrspace(2) |
| // X86: load ptr addrspace(2), ptr @A |
| // AMDGCN: load ptr addrspace(2), ptr addrspacecast (ptr addrspace(1) @A to ptr) |
| // CHECK: store i32 {{.*}}, ptr addrspace(2) |
| void test3(void) { |
| *A = *B; |
| } |
| |
| // PR7437 |
| typedef struct { |
| float aData[1]; |
| } MyStruct; |
| |
| // CHECK-LABEL: define{{.*}} void @test4( |
| // CHECK: call void @llvm.memcpy.p0.p2 |
| // CHECK: call void @llvm.memcpy.p2.p0 |
| void test4(MyStruct __attribute__((address_space(2))) *pPtr) { |
| MyStruct s = pPtr[0]; |
| pPtr[0] = s; |
| } |
| |
| // Make sure the right address space is used when doing arithmetic on a void |
| // pointer. Make sure no invalid bitcast is introduced. |
| |
| // CHECK-LABEL: @void_ptr_arithmetic_test( |
| // X86: [[ALLOCA:%.*]] = alloca ptr addrspace(1) |
| // X86-NEXT: store ptr addrspace(1) %arg, ptr [[ALLOCA]] |
| // X86-NEXT: load ptr addrspace(1), ptr [[ALLOCA]] |
| // X86-NEXT: getelementptr inbounds i8, ptr addrspace(1) |
| // X86-NEXT: ret ptr addrspace(1) |
| void __attribute__((address_space(1)))* |
| void_ptr_arithmetic_test(void __attribute__((address_space(1))) *arg) { |
| return arg + 4; |
| } |
| |
| // CHECK-LABEL: define{{.*}} ptr @test5( |
| const unsigned *test5(void) { |
| // Intentionally leave a part of an array uninitialized. This triggers a |
| // different code path contrary to a fully initialized array. |
| // X86: ret ptr @test5.bars |
| // AMDGCN: ret ptr addrspacecast (ptr addrspace(4) @test5.bars to ptr) |
| static const unsigned bars[256] = { |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}; |
| return &bars[0]; |
| } |