xref: /llvm-project/llvm/test/CodeGen/ARM/memcpy-inline.ll (revision f26beda7c706c2a090b6f1a4eacb2dceadb1ae94)
1; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -pre-RA-sched=source -disable-post-ra | FileCheck %s
2
3%struct.x = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }
4
5@src = external global %struct.x
6@dst = external global %struct.x
7
8@.str1 = private unnamed_addr constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 1
9@.str2 = private unnamed_addr constant [36 x i8] c"DHRYSTONE PROGRAM, SOME STRING BLAH\00", align 1
10@.str3 = private unnamed_addr constant [24 x i8] c"DHRYSTONE PROGRAM, SOME\00", align 1
11@.str4 = private unnamed_addr constant [18 x i8] c"DHRYSTONE PROGR  \00", align 1
12@.str5 = private unnamed_addr constant [7 x i8] c"DHRYST\00", align 1
13@.str6 = private unnamed_addr constant [14 x i8] c"/tmp/rmXXXXXX\00", align 1
14@spool.splbuf = internal global [512 x i8] zeroinitializer, align 16
15
16define i32 @t0() {
17entry:
18; CHECK-LABEL: t0:
19; CHECK: vldr [[REG1:d[0-9]+]],
20; CHECK: vstr [[REG1]],
21  call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds (%struct.x* @dst, i32 0, i32 0), i8* getelementptr inbounds (%struct.x* @src, i32 0, i32 0), i32 11, i32 8, i1 false)
22  ret i32 0
23}
24
25define void @t1(i8* nocapture %C) nounwind {
26entry:
27; CHECK-LABEL: t1:
28; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
29; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
30; CHECK: adds r0, #15
31; CHECK: adds r1, #15
32; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
33; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
34  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([31 x i8]* @.str1, i64 0, i64 0), i64 31, i32 1, i1 false)
35  ret void
36}
37
38define void @t2(i8* nocapture %C) nounwind {
39entry:
40; CHECK-LABEL: t2:
41; CHECK: movw [[REG2:r[0-9]+]], #16716
42; CHECK: movt [[REG2:r[0-9]+]], #72
43; CHECK: str [[REG2]], [r0, #32]
44; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
45; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
46; CHECK: adds r0, #16
47; CHECK: adds r1, #16
48; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
49; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
50  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([36 x i8]* @.str2, i64 0, i64 0), i64 36, i32 1, i1 false)
51  ret void
52}
53
54define void @t3(i8* nocapture %C) nounwind {
55entry:
56; CHECK-LABEL: t3:
57; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
58; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
59; CHECK: adds r0, #16
60; CHECK: adds r1, #16
61; CHECK: vld1.8 {d{{[0-9]+}}}, [r1]
62; CHECK: vst1.8 {d{{[0-9]+}}}, [r0]
63  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([24 x i8]* @.str3, i64 0, i64 0), i64 24, i32 1, i1 false)
64  ret void
65}
66
67define void @t4(i8* nocapture %C) nounwind {
68entry:
69; CHECK-LABEL: t4:
70; CHECK: vld1.8 {[[REG3:d[0-9]+]], [[REG4:d[0-9]+]]}, [r1]
71; CHECK: vst1.8 {[[REG3]], [[REG4]]}, [r0]
72  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([18 x i8]* @.str4, i64 0, i64 0), i64 18, i32 1, i1 false)
73  ret void
74}
75
76define void @t5(i8* nocapture %C) nounwind {
77entry:
78; CHECK-LABEL: t5:
79; CHECK: movs [[REG5:r[0-9]+]], #0
80; CHECK: strb [[REG5]], [r0, #6]
81; CHECK: movw [[REG6:r[0-9]+]], #21587
82; CHECK: strh [[REG6]], [r0, #4]
83; CHECK: movw [[REG7:r[0-9]+]], #18500
84; CHECK: movt [[REG7:r[0-9]+]], #22866
85; CHECK: str [[REG7]]
86  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([7 x i8]* @.str5, i64 0, i64 0), i64 7, i32 1, i1 false)
87  ret void
88}
89
90define void @t6() nounwind {
91entry:
92; CHECK-LABEL: t6:
93; CHECK: vld1.8 {[[REG8:d[0-9]+]]}, [r0]
94; CHECK: vstr [[REG8]], [r1]
95; CHECK: adds r1, #6
96; CHECK: adds r0, #6
97; CHECK: vld1.8
98; CHECK: vst1.16
99  call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([512 x i8]* @spool.splbuf, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8]* @.str6, i64 0, i64 0), i64 14, i32 1, i1 false)
100  ret void
101}
102
103%struct.Foo = type { i32, i32, i32, i32 }
104
105define void @t7(%struct.Foo* nocapture %a, %struct.Foo* nocapture %b) nounwind {
106entry:
107; CHECK: t7
108; CHECK: vld1.32
109; CHECK: vst1.32
110  %0 = bitcast %struct.Foo* %a to i8*
111  %1 = bitcast %struct.Foo* %b to i8*
112  tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* %1, i32 16, i32 4, i1 false)
113  ret void
114}
115
116declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
117declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
118