1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022-2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; REQUIRES: llvm-14-plus
; RUN: igc_opt --opaque-pointers -GenOptLegalizer -S < %s | FileCheck %s
; ------------------------------------------------
; GenOptLegalizer
; ------------------------------------------------
define void @bitcast_trunc_i48_f16(<3 x half> %src) {
; CHECK-LABEL: @bitcast_trunc_i48_f16(
; CHECK: [[TMP1:%.*]] = extractelement <3 x half> %src, i32 0
; CHECK: call void @use.f16(half [[TMP1]])
; CHECK: ret void
%1 = bitcast <3 x half> %src to i48
%2 = trunc i48 %1 to i16
%3 = bitcast i16 %2 to half
call void @use.f16(half %3)
ret void
}
define void @bitcast_trunc_lshr_i48_f16(<3 x half> %src) {
; CHECK-LABEL: @bitcast_trunc_lshr_i48_f16(
; CHECK: [[TMP1:%.*]] = extractelement <3 x half> %src, i32 1
; CHECK: call void @use.f16(half [[TMP1]])
; CHECK: ret void
%1 = bitcast <3 x half> %src to i48
%2 = lshr i48 %1, 16
%3 = trunc i48 %2 to i16
%4 = bitcast i16 %3 to half
call void @use.f16(half %4)
ret void
}
define void @bitcast_trunc_i128_f32(<4 x float> %src) {
; CHECK-LABEL: @bitcast_trunc_i128_f32(
; CHECK: [[TMP1:%.*]] = extractelement <4 x float> %src, i32 0
; CHECK: [[TMP2:%.*]] = extractelement <4 x float> %src, i32 1
; CHECK: [[TMP3:%.*]] = extractelement <4 x float> %src, i32 2
; CHECK: call void @use.f32(float [[TMP1]])
; CHECK: call void @use.f32(float [[TMP2]])
; CHECK: call void @use.f32(float [[TMP3]])
; CHECK: ret void
%1 = bitcast <4 x float> %src to i128
%2 = trunc i128 %1 to i96
%3 = bitcast i96 %2 to <3 x float>
%4 = extractelement <3 x float> %3, i32 0
%5 = extractelement <3 x float> %3, i32 1
%6 = extractelement <3 x float> %3, i32 2
call void @use.f32(float %4)
call void @use.f32(float %5)
call void @use.f32(float %6)
ret void
}
define void @bitcast_trunc_i128_i8(<4 x i32> %src) {
; CHECK-LABEL: @bitcast_trunc_i128_i8(
; CHECK: [[TMP1:%.*]] = bitcast <4 x i32> %src to <16 x i8>
; CHECK: [[TMP2:%.*]] = extractelement <16 x i8> [[TMP1]], i32 0
; CHECK: call void @use.i8(i8 [[TMP2]])
; CHECK: ret void
%1 = bitcast <4 x i32> %src to i128
%2 = trunc i128 %1 to i8
call void @use.i8(i8 %2)
ret void
}
define void @bitcast_trunc_lshr_i128_i8(<4 x i32> %src) {
; CHECK-LABEL: @bitcast_trunc_lshr_i128_i8(
; CHECK: [[TMP1:%.*]] = bitcast <4 x i32> %src to <16 x i8>
; CHECK: [[TMP2:%.*]] = extractelement <16 x i8> [[TMP1]], i32 1
; CHECK: call void @use.i8(i8 [[TMP2]])
; CHECK: ret void
%1 = bitcast <4 x i32> %src to i128
%2 = lshr i128 %1, 8
%3 = trunc i128 %2 to i8
call void @use.i8(i8 %3)
ret void
}
declare void @use.i8(i8)
declare void @use.f16(half)
declare void @use.f32(float)
|
