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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; RUN: igc_opt -decompose-2d-block-funcs -platformdg2 -S < %s 2>&1 | FileCheck %s
; ------------------------------------------------
; LSCFuncsResolution
; ------------------------------------------------
; Test checks that 2d block IO intrinsics are not expended if the payload is loop-dependent
declare void @llvm.genx.GenISA.LSC2DBlockPrefetch.p0i32(i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i1, i1, i32)
declare <16 x i32> @llvm.genx.GenISA.LSC2DBlockRead.p0i32(i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i1, i1, i32)
declare void @llvm.genx.GenISA.LSC2DBlockWrite.p0i32(i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i1, i1, i32, <8 x i32>)
define spir_kernel void @test_read(i32 %N) {
; CHECK-LABEL: body:
; CHECK: %Nm1 = phi i32 [ %N, %entry ], [ %Nm1, %body ]
; CHECK: %0 = call <16 x i32> @llvm.genx.GenISA.LSC2DBlockRead.p0i32(i64 1, i32 %Nm1, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i1 false, i1 true, i32 11)
; CHECK: %success = icmp eq i32 %Nm1, 0
; CHECK: br i1 %success, label %body, label %exit
entry:
br label %body
body:
%Nm1 = phi i32 [ %N, %entry ], [ %Nm1, %body ]
%0 = call <16 x i32> @llvm.genx.GenISA.LSC2DBlockRead.p0i32(i64 1, i32 %Nm1, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i1 false, i1 true, i32 11)
%success = icmp eq i32 %Nm1, 0
br i1 %success, label %body, label %exit
exit:
ret void
}
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