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gerrit-public.fairphone.software / toolchain / llvm-project / 9004444d815579e01c393553f598ffbe9da4564b / . / llvm / test / CodeGen / PowerPC / memcmp.ll
blob: 4aa5b400dd7c41329294645d9e63c5cf02846e20 [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:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]6; CHECK: # %bb.0:
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]7; CHECK-NEXT: ldbrx 3, 0, 3
8; CHECK-NEXT: ldbrx 4, 0, 4
Nemanja Ivanovic43645132017-12-01 12:02:59 +0000[diff] [blame]9; CHECK-NEXT: subfc 5, 3, 4
10; CHECK-NEXT: subfe 5, 4, 4
11; CHECK-NEXT: subfc 4, 4, 3
12; CHECK-NEXT: subfe 3, 3, 3
13; CHECK-NEXT: neg 4, 5
14; CHECK-NEXT: neg 3, 3
Sanjay Patelfea731a2017-07-31 18:08:24 +0000[diff] [blame]15; CHECK-NEXT: subf 3, 3, 4
16; CHECK-NEXT: extsw 3, 3
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]17; CHECK-NEXT: blr
18 %t0 = bitcast i32* %buffer1 to i8*
19 %t1 = bitcast i32* %buffer2 to i8*
20 %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 8)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]21 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]22}
23
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]24define signext i32 @memcmp4(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
25; CHECK-LABEL: memcmp4:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]26; CHECK: # %bb.0:
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]27; CHECK-NEXT: lwbrx 3, 0, 3
28; CHECK-NEXT: lwbrx 4, 0, 4
Sanjay Patelfea731a2017-07-31 18:08:24 +0000[diff] [blame]29; CHECK-NEXT: sub 5, 4, 3
30; CHECK-NEXT: sub 3, 3, 4
31; CHECK-NEXT: rldicl 4, 5, 1, 63
32; CHECK-NEXT: rldicl 3, 3, 1, 63
33; CHECK-NEXT: subf 3, 3, 4
34; CHECK-NEXT: extsw 3, 3
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]35; CHECK-NEXT: blr
36 %t0 = bitcast i32* %buffer1 to i8*
37 %t1 = bitcast i32* %buffer2 to i8*
38 %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 4)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]39 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]40}
41
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]42define signext i32 @memcmp2(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
43; CHECK-LABEL: memcmp2:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]44; CHECK: # %bb.0:
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]45; CHECK-NEXT: lhbrx 3, 0, 3
46; CHECK-NEXT: lhbrx 4, 0, 4
Sanjay Patelfea731a2017-07-31 18:08:24 +0000[diff] [blame]47; CHECK-NEXT: subf 3, 4, 3
48; CHECK-NEXT: extsw 3, 3
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]49; CHECK-NEXT: blr
50 %t0 = bitcast i32* %buffer1 to i8*
51 %t1 = bitcast i32* %buffer2 to i8*
52 %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 2)
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]53 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]54}
55
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]56define signext i32 @memcmp1(i32* nocapture readonly %buffer1, i32* nocapture readonly %buffer2) {
57; CHECK-LABEL: memcmp1:
Francis Visoiu Mistrih25528d62017-12-04 17:18:51 +0000[diff] [blame]58; CHECK: # %bb.0:
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]59; CHECK-NEXT: lbz 3, 0(3)
60; CHECK-NEXT: lbz 4, 0(4)
Sanjay Patelfea731a2017-07-31 18:08:24 +0000[diff] [blame]61; CHECK-NEXT: subf 3, 4, 3
62; CHECK-NEXT: extsw 3, 3
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]63; CHECK-NEXT: blr
64 %t0 = bitcast i32* %buffer1 to i8*
65 %t1 = bitcast i32* %buffer2 to i8*
66 %call = tail call signext i32 @memcmp(i8* %t0, i8* %t1, i64 1) #2
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]67 ret i32 %call
Zaara Syeda3a7578c2017-05-31 17:12:38 +0000[diff] [blame]68}
69
Sanjay Patel1be7ea42017-06-30 19:20:54 +0000[diff] [blame]70declare signext i32 @memcmp(i8*, i8*, i64)