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
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2024 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: igc_opt %s -S --shrink-array-alloca | FileCheck %s
;
define float @f0(i32 %index, i1 %cond, <4 x float> %data) #1 {
Label-0:
%alloca = alloca [64 x <4 x float>], align 16
; CHECK: [[ALLOCA:%[A-z0-9]*]] = alloca [64 x float], align 4
br i1 %cond, label %Label-1, label %Label-2
Label-1:
%addr = getelementptr [64 x <4 x float>], [64 x <4 x float>]* %alloca, i32 0, i32 %index
; CHECK: [[ADDR:%[A-z0-9]*]] = getelementptr [64 x float], [64 x float]* [[ALLOCA]], i32 0, i32 %index
%vec = load <4 x float>, <4 x float>* %addr
; CHECK: [[A:%[A-z0-9]*]] = load float, float* [[ADDR]], align 4
; CHECK-NEXT: [[VEC0:%[A-z0-9]*]] = insertelement <4 x float> undef, float [[A]], i64 2
br label %Label-2
Label-2:
%vec1 = phi <4x float> [ %data, %Label-0 ], [ %vec, %Label-1 ]
; CHECK: [[PHI:%[A-z0-9]*]] = phi <4 x float> [ %data, %Label-0 ], [ [[VEC0]], %Label-1 ]
%a = extractelement <4 x float> %vec1, i64 2
; CHECK: [[A:%[A-z0-9]*]] = extractelement <4 x float> [[PHI]], i64 2
ret float %a
; CHECK: ret float [[A]]
}
attributes #1 = { "null-pointer-is-valid"="true" }
|
