xref: /llvm-project/llvm/test/CodeGen/Mips/Fast-ISel/memtest1.ll (revision 8663926a544602932d299dda435ed1ef70a05f48)
1; RUN: llc < %s -mtriple=mipsel -mcpu=mips32 -O0 -relocation-model=pic \
2; RUN:     -fast-isel-abort=3 -verify-machineinstrs | FileCheck %s
3; RUN: llc < %s -mtriple=mipsel -mcpu=mips32r2 -O0 -relocation-model=pic \
4; RUN:     -fast-isel-abort=3 -verify-machineinstrs | FileCheck %s
5
6@str = private unnamed_addr constant [12 x i8] c"hello there\00", align 1
7@src = global ptr @str, align 4
8@i = global i32 12, align 4
9@dest = common global [50 x i8] zeroinitializer, align 1
10
11declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1)
12declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1)
13declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1)
14
15define void @cpy(ptr %src, i32 %i) {
16  ; CHECK-LABEL:  cpy:
17
18  ; CHECK:        lw    $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
19  ; CHECK:        lw    $[[T2:[0-9]+]], %got(memcpy)(${{[0-9]+}})
20  ; CHECK:        jalr  $[[T2]]
21  ; CHECK-NEXT:       nop
22  ; CHECK-NOT:        {{.*}}$2{{.*}}
23  call void @llvm.memcpy.p0.p0.i32(ptr @dest, ptr %src, i32 %i, i1 false)
24  ret void
25}
26
27define void @mov(ptr %src, i32 %i) {
28  ; CHECK-LABEL:  mov:
29
30  ; CHECK:        lw    $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
31  ; CHECK:        lw    $[[T2:[0-9]+]], %got(memmove)(${{[0-9]+}})
32  ; CHECK:            jalr  $[[T2]]
33  ; CHECK-NEXT:       nop
34  ; CHECK-NOT:        {{.*}}$2{{.*}}
35  call void @llvm.memmove.p0.p0.i32(ptr @dest, ptr %src, i32 %i, i1 false)
36  ret void
37}
38
39define void @clear(i32 %i) {
40  ; CHECK-LABEL:  clear:
41
42  ; CHECK:        lw    $[[T0:[0-9]+]], %got(dest)(${{[0-9]+}})
43  ; CHECK:        lw    $[[T2:[0-9]+]], %got(memset)(${{[0-9]+}})
44  ; CHECK:            jalr  $[[T2]]
45  ; CHECK-NEXT:       nop
46  ; CHECK-NOT:        {{.*}}$2{{.*}}
47  call void @llvm.memset.p0.i32(ptr @dest, i8 42, i32 %i, i1 false)
48  ret void
49}
50