1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux  < %s | FileCheck %s -check-prefix=CHECK
3
4define signext i32 @memcmp8(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
5; CHECK-LABEL: memcmp8:
6; CHECK:       # BB#0:
7; CHECK-NEXT:    ldbrx 3, 0, 3
8; CHECK-NEXT:    ldbrx 4, 0, 4
9; CHECK-NEXT:    li 5, 1
10; CHECK-NEXT:    li 12, -1
11; CHECK-NEXT:    cmpld 3, 4
12; CHECK-NEXT:    isel 3, 12, 5, 0
13; CHECK-NEXT:    isel 3, 0, 3, 2
14; CHECK-NEXT:    blr
15  %t0 = bitcast i32* %buffer1 to i8*
16  %t1 = bitcast i32* %buffer2 to i8*
17  %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 8)
18  ret i32 %call
19}
20
21define signext i32 @memcmp4(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
22; CHECK-LABEL: memcmp4:
23; CHECK:       # BB#0:
24; CHECK-NEXT:    lwbrx 3, 0, 3
25; CHECK-NEXT:    lwbrx 4, 0, 4
26; CHECK-NEXT:    li 5, 1
27; CHECK-NEXT:    li 12, -1
28; CHECK-NEXT:    cmplw 3, 4
29; CHECK-NEXT:    isel 3, 12, 5, 0
30; CHECK-NEXT:    isel 3, 0, 3, 2
31; CHECK-NEXT:    blr
32  %t0 = bitcast i32* %buffer1 to i8*
33  %t1 = bitcast i32* %buffer2 to i8*
34  %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 4)
35  ret i32 %call
36}
37
38define signext i32 @memcmp2(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
39; CHECK-LABEL: memcmp2:
40; CHECK:       # BB#0:
41; CHECK-NEXT:    lhbrx 3, 0, 3
42; CHECK-NEXT:    lhbrx 4, 0, 4
43; CHECK-NEXT:    li 5, 1
44; CHECK-NEXT:    li 12, -1
45; CHECK-NEXT:    cmplw 3, 4
46; CHECK-NEXT:    isel 3, 12, 5, 0
47; CHECK-NEXT:    isel 3, 0, 3, 2
48; CHECK-NEXT:    blr
49  %t0 = bitcast i32* %buffer1 to i8*
50  %t1 = bitcast i32* %buffer2 to i8*
51  %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 2)
52  ret i32 %call
53}
54
55define signext i32 @memcmp1(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
56; CHECK-LABEL: memcmp1:
57; CHECK:       # BB#0:
58; CHECK-NEXT:    lbz 3, 0(3)
59; CHECK-NEXT:    lbz 4, 0(4)
60; CHECK-NEXT:    li 5, 1
61; CHECK-NEXT:    li 12, -1
62; CHECK-NEXT:    cmplw 3, 4
63; CHECK-NEXT:    isel 3, 12, 5, 0
64; CHECK-NEXT:    isel 3, 0, 3, 2
65; CHECK-NEXT:    blr
66  %t0 = bitcast i32* %buffer1 to i8*
67  %t1 = bitcast i32* %buffer2 to i8*
68  %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 1) #2
69  ret i32 %call
70}
71
72declare signext i32 @memcmp(i8*, i8*, i64)
73