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gerrit-public.fairphone.software / toolchain / llvm-project / 70d35e102ef8dbba10e2db84ea2dcbe95bbbfd38 / . / llvm / test / CodeGen / PowerPC / memcmp.ll
blob: fbaaa8bb74c9880661dd9725def3c453e72ba3c6 [file] [log] [blame]
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]2; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=CHECK
3
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]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)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]18 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]19}
20
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]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)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]35 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]36}
37
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]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)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]52 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]53}
54
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]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
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]69 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]70}
71
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]72declare signext i32 @memcmp(i8*, i8*, i64)