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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: bitcast to illegal type
; ------------------------------------------------
; Checks legalization of this pattern:
;
; %a = bitcast <4 x float> %src to i128
; %b = trunc i128 %a to i8
;
; into
; %be = bitcast <4 x float> %src to <16 x i8>
; %b = extractelement <16 x i8> %be, i32 0
define i8 @test_bitcast_pattern3(<4 x float> %src1) {
; CHECK-LABEL: define i8 @test_bitcast_pattern3(
; CHECK-SAME: <4 x float> [[SRC1:%.*]]) {
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <4 x float> [[SRC1]] to <16 x i8>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0
; CHECK-NEXT: ret i8 [[TMP2]]
;
%1 = bitcast <4 x float> %src1 to i128
%2 = trunc i128 %1 to i8
ret i8 %2
}
define i1 @test_bitcast_pattern3_lshr(<4 x float> %src1) {
; CHECK-LABEL: define i1 @test_bitcast_pattern3_lshr(
; CHECK-SAME: <4 x float> [[SRC1:%.*]]) {
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <4 x float> [[SRC1]] to <128 x i1>
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <128 x i1> [[TMP1]], i32 65
; CHECK-NEXT: ret i1 [[TMP2]]
;
%1 = bitcast <4 x float> %src1 to i128
%2 = lshr i128 %1, 65
%3 = trunc i128 %2 to i1
ret i1 %3
}
!igc.functions = !{!0, !1}
!0 = !{i8 (<4 x float>)* @test_bitcast_pattern3, !2}
!1 = !{i1 (<4 x float>)* @test_bitcast_pattern3_lshr, !2}
!2 = !{}
|
