source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/sdivpow2.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.5 KB
Line 
1; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=0 -verify-machineinstrs < %s | FileCheck %s
2; RUN: llc -mtriple=arm64-linux-gnu -fast-isel=1 -verify-machineinstrs < %s | FileCheck %s
3
4define i32 @test1(i32 %x) {
5; CHECK-LABEL: test1
6; CHECK: add w8, w0, #7
7; CHECK: cmp w0, #0
8; CHECK: csel w8, w8, w0, lt
9; CHECK: asr w0, w8, #3
10  %div = sdiv i32 %x, 8
11  ret i32 %div
12}
13
14define i32 @test2(i32 %x) {
15; CHECK-LABEL: test2
16; CHECK: add w8, w0, #7
17; CHECK: cmp w0, #0
18; CHECK: csel w8, w8, w0, lt
19; CHECK: neg w0, w8, asr #3
20  %div = sdiv i32 %x, -8
21  ret i32 %div
22}
23
24define i32 @test3(i32 %x) {
25; CHECK-LABEL: test3
26; CHECK: add w8, w0, #31
27; CHECK: cmp w0, #0
28; CHECK: csel w8, w8, w0, lt
29; CHECK: asr w0, w8, #5
30  %div = sdiv i32 %x, 32
31  ret i32 %div
32}
33
34define i64 @test4(i64 %x) {
35; CHECK-LABEL: test4
36; CHECK: add x8, x0, #7
37; CHECK: cmp x0, #0
38; CHECK: csel x8, x8, x0, lt
39; CHECK: asr x0, x8, #3
40  %div = sdiv i64 %x, 8
41  ret i64 %div
42}
43
44define i64 @test5(i64 %x) {
45; CHECK-LABEL: test5
46; CHECK: add x8, x0, #7
47; CHECK: cmp x0, #0
48; CHECK: csel x8, x8, x0, lt
49; CHECK: neg x0, x8, asr #3
50  %div = sdiv i64 %x, -8
51  ret i64 %div
52}
53
54define i64 @test6(i64 %x) {
55; CHECK-LABEL: test6
56; CHECK: add x8, x0, #63
57; CHECK: cmp x0, #0
58; CHECK: csel x8, x8, x0, lt
59; CHECK: asr x0, x8, #6
60  %div = sdiv i64 %x, 64
61  ret i64 %div
62}
63
64define i64 @test7(i64 %x) {
65; CHECK-LABEL: test7
66; CHECK: orr [[REG:x[0-9]+]], xzr, #0xffffffffffff
67; CHECK: add x8, x0, [[REG]]
68; CHECK: cmp x0, #0
69; CHECK: csel x8, x8, x0, lt
70; CHECK: asr x0, x8, #48
71  %div = sdiv i64 %x, 281474976710656
72  ret i64 %div
73}
74
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