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;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; RUN: igc_opt -igc-legalization -S -dce < %s | FileCheck %s
; ------------------------------------------------
; Legalization: icmp
; ------------------------------------------------
; Checks legalization of icmp with illegal int type
; produced by truncation to icmp with original type
define i1 @test_icmp_u(i32 %b) {
; CHECK-LABEL: define i1 @test_icmp_u(
; CHECK-SAME: i32 [[B:%.*]]) {
; CHECK: [[TMP1:%.*]] = and i32 [[B]], 16777215
; CHECK: [[TMP2:%.*]] = icmp ule i32 [[TMP1]], 16777215
; CHECK: ret i1 [[TMP2]]
;
%1 = trunc i32 %b to i24
%2 = icmp ule i24 %1, -1
ret i1 %2
}
define i1 @test_icmp_s(i32 %b) {
; CHECK-LABEL: define i1 @test_icmp_s(
; CHECK-SAME: i32 [[B:%.*]]) {
; CHECK: [[TMP1:%.*]] = shl i32 [[B]], 8
; CHECK: [[TMP2:%.*]] = ashr i32 [[TMP1]], 8
; CHECK: [[TMP3:%.*]] = icmp sle i32 [[TMP2]], -1
; CHECK: ret i1 [[TMP3]]
;
%1 = trunc i32 %b to i24
%2 = icmp sle i24 %1, -1
ret i1 %2
}
!igc.functions = !{!0, !1}
!0 = !{i1 (i32)* @test_icmp_u, !2}
!1 = !{i1 (i32)* @test_icmp_s, !2}
!2 = !{}
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