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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; REQUIRES: llvm-14-plus
; RUN: igc_opt --opaque-pointers -igc-custom-safe-opt -dce -S < %s | FileCheck %s
; ------------------------------------------------
; CustomSafeOptPass: ldrawvector
; ------------------------------------------------
; Test checks that sequence of ldrawvector + extractelement is substituted with
; GenISA.ldraw.indexed when possible
define float @test_loadvec(ptr addrspace(1) %src, i32 %offset) {
; CHECK-LABEL: define float @test_loadvec(
; CHECK-SAME: ptr addrspace(1) [[SRC:%.*]], i32 [[OFFSET:%.*]]) {
; CHECK: [[TMP1:%.*]] = add i32 [[OFFSET]], 12
; CHECK: [[TMP2:%.*]] = call float @llvm.genx.GenISA.ldraw.indexed.f32.p1(ptr addrspace(1) [[SRC]], i32 [[TMP1]], i32 4, i1 true)
; CHECK: ret float [[TMP2]]
;
%1 = call <4 x float> @llvm.genx.GenISA.ldrawvector.indexed.p1(ptr addrspace(1) %src, i32 %offset, i32 4, i1 true)
%2 = extractelement <4 x float> %1, i32 3
ret float %2
}
; Function Desc: Read a vector from a buffer pointer at byte offset
; Output:
; Arg 0: buffer pointer, result of GetBufferPtr
; Arg 1: offset from the base pointer, in bytes
; Arg 2: aligment in bytes
; Arg 3: volatile, must be an immediate
; Function Attrs: argmemonly nounwind readonly
declare <4 x float> @llvm.genx.GenISA.ldrawvector.indexed.p1(ptr addrspace(1), i32, i32, i1)
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