xref: /llvm-project/llvm/test/Transforms/MemCpyOpt/store-to-memset.ll (revision a11faeed446882a81e79d780125d93e7199df645) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-grtev4-linux-gnu"
5
6define ptr @foo(ptr returned %0, i32 %1, i64 %2) {
7; CHECK-LABEL: @foo(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[TMP0:%.*]], i64 [[TMP2:%.*]]
10; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i8, ptr [[TMP3]], i64 -32
11; CHECK-NEXT:    [[VV:%.*]] = trunc i32 [[TMP1:%.*]] to i8
12; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 1
13; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 2
14; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 3
15; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 4
16; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 5
17; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 6
18; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 7
19; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 8
20; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 9
21; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 10
22; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 11
23; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 12
24; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 13
25; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 14
26; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 15
27; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i8, ptr [[TMP4]], i64 16
28; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 1
29; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 2
30; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 3
31; CHECK-NEXT:    [[TMP24:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 4
32; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 5
33; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 6
34; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 7
35; CHECK-NEXT:    [[TMP28:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 8
36; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 9
37; CHECK-NEXT:    [[TMP30:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 10
38; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 11
39; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 12
40; CHECK-NEXT:    [[TMP33:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 13
41; CHECK-NEXT:    [[TMP34:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 14
42; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i8, ptr [[TMP20]], i64 15
43; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 1 [[TMP4]], i8 [[VV]], i64 32, i1 false)
44; CHECK-NEXT:    ret ptr [[TMP0]]
45;
46entry:
47  %3 = getelementptr inbounds i8, ptr %0, i64 %2
48  %4 = getelementptr inbounds i8, ptr %3, i64 -32
49  %vv = trunc i32 %1 to i8
50  store i8 %vv, ptr %4, align 1
51  %5 = getelementptr inbounds i8, ptr %4, i64 1
52  store i8 %vv, ptr %5, align 1
53  %6= getelementptr inbounds i8, ptr %4, i64 2
54  store i8 %vv, ptr %6, align 1
55  %7= getelementptr inbounds i8, ptr %4, i64 3
56  store i8 %vv, ptr %7, align 1
57  %8= getelementptr inbounds i8, ptr %4, i64 4
58  store i8 %vv, ptr %8, align 1
59  %9= getelementptr inbounds i8, ptr %4, i64 5
60  store i8 %vv, ptr %9, align 1
61  %10= getelementptr inbounds i8, ptr %4, i64 6
62  store i8 %vv, ptr %10, align 1
63  %11= getelementptr inbounds i8, ptr %4, i64 7
64  store i8 %vv, ptr %11, align 1
65  %12= getelementptr inbounds i8, ptr %4, i64 8
66  store i8 %vv, ptr %12, align 1
67  %13= getelementptr inbounds i8, ptr %4, i64 9
68  store i8 %vv, ptr %13, align 1
69  %14= getelementptr inbounds i8, ptr %4, i64 10
70  store i8 %vv, ptr %14, align 1
71  %15= getelementptr inbounds i8, ptr %4, i64 11
72  store i8 %vv, ptr %15, align 1
73  %16= getelementptr inbounds i8, ptr %4, i64 12
74  store i8 %vv, ptr %16, align 1
75  %17= getelementptr inbounds i8, ptr %4, i64 13
76  store i8 %vv, ptr %17, align 1
77  %18= getelementptr inbounds i8, ptr %4, i64 14
78  store i8 %vv, ptr %18, align 1
79  %19= getelementptr inbounds i8, ptr %4, i64 15
80  store i8 %vv, ptr %19, align 1
81  %20= getelementptr inbounds i8, ptr %4, i64 16
82  store i8 %vv, ptr %20, align 1
83  %21= getelementptr inbounds i8, ptr %20, i64 1
84  store i8 %vv, ptr %21, align 1
85  %22= getelementptr inbounds i8, ptr %20, i64 2
86  store i8 %vv, ptr %22, align 1
87  %23= getelementptr inbounds i8, ptr %20, i64 3
88  store i8 %vv, ptr %23, align 1
89  %24= getelementptr inbounds i8, ptr %20, i64 4
90  store i8 %vv, ptr %24, align 1
91  %25= getelementptr inbounds i8, ptr %20, i64 5
92  store i8 %vv, ptr %25, align 1
93  %26= getelementptr inbounds i8, ptr %20, i64 6
94  store i8 %vv, ptr %26, align 1
95  %27= getelementptr inbounds i8, ptr %20, i64 7
96  store i8 %vv, ptr %27, align 1
97  %28= getelementptr inbounds i8, ptr %20, i64 8
98  store i8 %vv, ptr %28, align 1
99  %29= getelementptr inbounds i8, ptr %20, i64 9
100  store i8 %vv, ptr %29, align 1
101  %30= getelementptr inbounds i8, ptr %20, i64 10
102  store i8 %vv, ptr %30, align 1
103  %31 = getelementptr inbounds i8, ptr %20, i64 11
104  store i8 %vv, ptr %31, align 1
105  %32 = getelementptr inbounds i8, ptr %20, i64 12
106  store i8 %vv, ptr %32, align 1
107  %33 = getelementptr inbounds i8, ptr %20, i64 13
108  store i8 %vv, ptr %33, align 1
109  %34 = getelementptr inbounds i8, ptr %20, i64 14
110  store i8 %vv, ptr %34, align 1
111  %35 = getelementptr inbounds i8, ptr %20, i64 15
112  store i8 %vv, ptr %35, align 1
113  ret ptr %0
114}
115
116