a11d86461e
This fixes emitting undefined behavior where a 64-bit generic pointer is written to a 32-bit slot allocated for a private pointer. This can be seen in test/CodeGenOpenCL/amdgcn-automatic-variable.cl's wrong_pointer_alloca.
77 lines
3.3 KiB
Common Lisp
77 lines
3.3 KiB
Common Lisp
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --include-generated-funcs --version 5
|
|
// RUN: %clang_cc1 -cl-std=CL2.0 -triple amdgcn-amd-amdhsa -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s
|
|
|
|
// Check there's no assertion when passing a pointer to an address space
|
|
// qualified argument.
|
|
|
|
extern void private_ptr(__private int *);
|
|
extern void local_ptr(__local int *);
|
|
extern void generic_ptr(__generic int *);
|
|
|
|
void use_of_private_var()
|
|
{
|
|
int x = 0 ;
|
|
private_ptr(&x);
|
|
generic_ptr(&x);
|
|
}
|
|
|
|
void addr_of_arg(int x)
|
|
{
|
|
private_ptr(&x);
|
|
generic_ptr(&x);
|
|
}
|
|
|
|
__kernel void use_of_local_var()
|
|
{
|
|
__local int x;
|
|
local_ptr(&x);
|
|
generic_ptr(&x);
|
|
}
|
|
|
|
// CHECK-LABEL: define dso_local void @use_of_private_var(
|
|
// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
|
|
// CHECK-NEXT: [[ENTRY:.*:]]
|
|
// CHECK-NEXT: [[X:%.*]] = alloca i32, align 4, addrspace(5)
|
|
// CHECK-NEXT: call void @llvm.lifetime.start.p5(i64 4, ptr addrspace(5) [[X]]) #[[ATTR5:[0-9]+]]
|
|
// CHECK-NEXT: store i32 0, ptr addrspace(5) [[X]], align 4, !tbaa [[TBAA4:![0-9]+]]
|
|
// CHECK-NEXT: call void @private_ptr(ptr addrspace(5) noundef [[X]]) #[[ATTR6:[0-9]+]]
|
|
// CHECK-NEXT: [[X_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[X]] to ptr
|
|
// CHECK-NEXT: call void @generic_ptr(ptr noundef [[X_ASCAST]]) #[[ATTR6]]
|
|
// CHECK-NEXT: call void @llvm.lifetime.end.p5(i64 4, ptr addrspace(5) [[X]]) #[[ATTR5]]
|
|
// CHECK-NEXT: ret void
|
|
//
|
|
//
|
|
// CHECK-LABEL: define dso_local void @addr_of_arg(
|
|
// CHECK-SAME: i32 noundef [[X:%.*]]) #[[ATTR0]] {
|
|
// CHECK-NEXT: [[ENTRY:.*:]]
|
|
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
|
|
// CHECK-NEXT: [[X_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[X_ADDR]] to ptr
|
|
// CHECK-NEXT: store i32 [[X]], ptr [[X_ADDR_ASCAST]], align 4, !tbaa [[TBAA4]]
|
|
// CHECK-NEXT: [[X_ADDR_ASCAST_ASCAST:%.*]] = addrspacecast ptr [[X_ADDR_ASCAST]] to ptr addrspace(5)
|
|
// CHECK-NEXT: call void @private_ptr(ptr addrspace(5) noundef [[X_ADDR_ASCAST_ASCAST]]) #[[ATTR6]]
|
|
// CHECK-NEXT: call void @generic_ptr(ptr noundef [[X_ADDR_ASCAST]]) #[[ATTR6]]
|
|
// CHECK-NEXT: ret void
|
|
//
|
|
//
|
|
// CHECK-LABEL: define dso_local amdgpu_kernel void @use_of_local_var(
|
|
// CHECK-SAME: ) #[[ATTR3:[0-9]+]] !kernel_arg_addr_space [[META8:![0-9]+]] !kernel_arg_access_qual [[META8]] !kernel_arg_type [[META8]] !kernel_arg_base_type [[META8]] !kernel_arg_type_qual [[META8]] {
|
|
// CHECK-NEXT: [[ENTRY:.*:]]
|
|
// CHECK-NEXT: call void @__clang_ocl_kern_imp_use_of_local_var() #[[ATTR6]]
|
|
// CHECK-NEXT: ret void
|
|
//
|
|
//
|
|
// CHECK-LABEL: define dso_local void @__clang_ocl_kern_imp_use_of_local_var(
|
|
// CHECK-SAME: ) #[[ATTR4:[0-9]+]] !kernel_arg_addr_space [[META8]] !kernel_arg_access_qual [[META8]] !kernel_arg_type [[META8]] !kernel_arg_base_type [[META8]] !kernel_arg_type_qual [[META8]] {
|
|
// CHECK-NEXT: [[ENTRY:.*:]]
|
|
// CHECK-NEXT: call void @local_ptr(ptr addrspace(3) noundef @use_of_local_var.x) #[[ATTR6]]
|
|
// CHECK-NEXT: call void @generic_ptr(ptr noundef addrspacecast (ptr addrspace(3) @use_of_local_var.x to ptr)) #[[ATTR6]]
|
|
// CHECK-NEXT: ret void
|
|
//
|
|
//.
|
|
// CHECK: [[TBAA4]] = !{[[META5:![0-9]+]], [[META5]], i64 0}
|
|
// CHECK: [[META5]] = !{!"int", [[META6:![0-9]+]], i64 0}
|
|
// CHECK: [[META6]] = !{!"omnipotent char", [[META7:![0-9]+]], i64 0}
|
|
// CHECK: [[META7]] = !{!"Simple C/C++ TBAA"}
|
|
// CHECK: [[META8]] = !{}
|
|
//.
|