1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: igc_opt -igc-buffer-bounds-checking -igc-add-implicit-args -igc-buffer-bounds-checking-patcher -S %s -o %t.ll
; RUN: FileCheck %s --input-file=%t.ll
define spir_kernel void @kernel(i32 addrspace(1)* %input) nounwind {
%1 = getelementptr inbounds i32, i32 addrspace(1)* %input, i64 2
%2 = load i32, i32 addrspace(1)* %1
%3 = add i32 %2, 0
ret void
}
!igc.functions = !{!0}
!0 = !{void (i32 addrspace(1)*)* @kernel, !1}
!1 = !{!2}
!2 = !{!"function_type", i32 0}
; CHECK: [[BASE_ADDRESS:%[0-9]+]] = ptrtoint i32 addrspace(1)* %input to i64
; CHECK-NEXT: [[ADDRESS:%[0-9]+]] = ptrtoint i32 addrspace(1)* %1 to i64
; CHECK-NEXT: [[OFFSET:%[0-9]+]] = sub i64 [[ADDRESS]], [[BASE_ADDRESS]]
; CHECK-NEXT: [[BUFFER_SIZE_EQ_ZERO:%[0-9]+]] = icmp eq i64 %bufferSize, 0
; CHECK-NEXT: [[LOWER_BOUND_CHECK:%[0-9]+]] = icmp sge i64 [[OFFSET]], 0
; CHECK-NEXT: [[UPPER_BOUND:%[0-9]+]] = sub i64 %bufferSize, 4
; CHECK-NEXT: [[UPPER_BOUND_CHECK:%[0-9]+]] = icmp slt i64 [[OFFSET]], [[UPPER_BOUND]]
; CHECK-NEXT: [[OFFSET_IN_BOUNDS:%[0-9]+]] = and i1 [[LOWER_BOUND_CHECK]], [[UPPER_BOUND_CHECK]]
; CHECK-NEXT: [[CONDITION:%[0-9]+]] = or i1 [[BUFFER_SIZE_EQ_ZERO]], [[OFFSET_IN_BOUNDS]]
; CHECK-NEXT: br i1 [[CONDITION]], label %bufferboundschecking.valid, label %bufferboundschecking.invalid
; CHECK: bufferboundschecking.valid:
; CHECK-NEXT: [[VALID:%[0-9]+]] = load i32, i32 addrspace(1)* {{%[0-9]+}}
; CHECK-NEXT: br label %bufferboundschecking.end
; CHECK: bufferboundschecking.invalid:
; CHECK-NEXT: call spir_func void @__bufferoutofbounds_assert_
; CHECK: bufferboundschecking.end:
; CHECK-NEXT: [[LOADED_VALUE:%[0-9]+]] = phi i32 [ [[VALID]], %bufferboundschecking.valid ], [ 0, %bufferboundschecking.invalid ]
; CHECK-NEXT: {{%[0-9]+}} = add i32 [[LOADED_VALUE]], 0
; CHECK: declare void @__bufferoutofbounds
|