forked from OSchip/llvm-project
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
// RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck -enable-var-scope -check-prefixes=CHECK,X86 %s
|
|
// RUN: %clang_cc1 -no-opaque-pointers -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, i32 addrspace(1)* @foo
|
|
int test1(void) { return foo; }
|
|
|
|
// CHECK-LABEL: define{{.*}} i32 @test2(i32 noundef %i)
|
|
// CHECK: load i32, 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()
|
|
// X86: load i32 addrspace(2)*, i32 addrspace(2)** @B
|
|
// AMDGCN: load i32 addrspace(2)*, i32 addrspace(2)** addrspacecast (i32 addrspace(2)* addrspace(1)* @B to i32 addrspace(2)**)
|
|
// CHECK: load i32, i32 addrspace(2)*
|
|
// X86: load i32 addrspace(2)*, i32 addrspace(2)** @A
|
|
// AMDGCN: load i32 addrspace(2)*, i32 addrspace(2)** addrspacecast (i32 addrspace(2)* addrspace(1)* @A to i32 addrspace(2)**)
|
|
// CHECK: store i32 {{.*}}, i32 addrspace(2)*
|
|
void test3(void) {
|
|
*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;
|
|
}
|
|
|
|
// 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 i8 addrspace(1)*
|
|
// X86-NEXT: store i8 addrspace(1)* %arg, i8 addrspace(1)** [[ALLOCA]]
|
|
// X86-NEXT: load i8 addrspace(1)*, i8 addrspace(1)** [[ALLOCA]]
|
|
// X86-NEXT: getelementptr i8, i8 addrspace(1)*
|
|
// X86-NEXT: ret i8 addrspace(1)*
|
|
void __attribute__((address_space(1)))*
|
|
void_ptr_arithmetic_test(void __attribute__((address_space(1))) *arg) {
|
|
return arg + 4;
|
|
}
|
|
|
|
// CHECK-LABEL: define{{.*}} i32* @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.
|
|
// CHECK: ret i32* getelementptr inbounds ([256 x i32]
|
|
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];
|
|
}
|