1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64 -mcpu=apple-m1 -mattr=+store-pair-suppress -o - %s | FileCheck %s
; Check that stp are not suppressed at minsize.
define void @test_default(ptr %dst, <8 x i32> %v0) {
; CHECK-LABEL: test_default:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: uzp1 v0.8h, v0.8h, v1.8h
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: mul v1.8b, v0.8b, v0.8b
; CHECK-NEXT: str d1, [x0, #8]
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
entry:
%add.ptr.1 = getelementptr i8, ptr %dst, i64 8
%t = trunc <8 x i32> %v0 to <8 x i8>
%mul = mul <8 x i8> %t, %t
store <8 x i8> %mul, ptr %add.ptr.1, align 1
store <8 x i8> %t, ptr %dst, align 1
ret void
}
define void @test_minsize(ptr %dst, <8 x i32> %v0) minsize {
; CHECK-LABEL: test_minsize:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: uzp1 v0.8h, v0.8h, v1.8h
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: mul v1.8b, v0.8b, v0.8b
; CHECK-NEXT: stp d0, d1, [x0]
; CHECK-NEXT: ret
entry:
%add.ptr.1 = getelementptr i8, ptr %dst, i64 8
%t = trunc <8 x i32> %v0 to <8 x i8>
%mul = mul <8 x i8> %t, %t
store <8 x i8> %mul, ptr %add.ptr.1, align 1
store <8 x i8> %t, ptr %dst, align 1
ret void
}
define void @test_optsize(ptr %dst, <8 x i32> %v0) optsize {
; CHECK-LABEL: test_optsize:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: uzp1 v0.8h, v0.8h, v1.8h
; CHECK-NEXT: xtn v0.8b, v0.8h
; CHECK-NEXT: mul v1.8b, v0.8b, v0.8b
; CHECK-NEXT: stp d0, d1, [x0]
; CHECK-NEXT: ret
entry:
%add.ptr.1 = getelementptr i8, ptr %dst, i64 8
%t = trunc <8 x i32> %v0 to <8 x i8>
%mul = mul <8 x i8> %t, %t
store <8 x i8> %mul, ptr %add.ptr.1, align 1
store <8 x i8> %t, ptr %dst, align 1
ret void
}
|
