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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; REQUIRES: regkeys
; RUN: igc_opt --igc-pressure-printer -S --disable-output --regkey=RegPressureVerbocity=1 < %s 2>&1 | FileCheck %s
; This test verifies if the WIAnalysis correctly treats localID argument of sub_group_broadcast
; as non-uniform if it comes directly from a load instruction.
; Function Attrs: convergent nounwind
define spir_func void @test_local_id_from_load(i32 %val, i32 %slid, i32 addrspace(1)* %dst, i64 %gid) {
entry:
%a = alloca i32, align 4
store i32 %slid, i32* %a, align 4
%localID = load i32, i32* %a, align 4
%simdBroadcast = call i32 @llvm.genx.GenISA.WaveBroadcast.i32(i32 %val, i32 %localID, i32 0)
%arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %dst, i64 %gid
store i32 %simdBroadcast, i32 addrspace(1)* %arrayidx, align 4
ret void
}
; CHECK: block: entry function: test_local_id_from_load
; CHECK: N: {{.*}} %localID = load i32, i32* %a, align 4
declare i32 @llvm.genx.GenISA.WaveBroadcast.i32(i32, i32, i32)
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