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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
| ; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -O3 < %s | FileCheck %s
; These tests verify that VSX swap optimization works for various
; manipulations of <2 x double> vectors.
@x = global <2 x double> <double 9.970000e+01, double -1.032220e+02>, align 16
@z = global <2 x double> <double 2.332000e+01, double 3.111111e+01>, align 16
define void @bar0(double %y) {
entry:
%0 = load <2 x double>, <2 x double>* @x, align 16
%vecins = insertelement <2 x double> %0, double %y, i32 0
store <2 x double> %vecins, <2 x double>* @z, align 16
ret void
}
; CHECK-LABEL: @bar0
; CHECK-DAG: lxvd2x [[REG1:[0-9]+]]
; CHECK-DAG: xxspltd [[REG2:[0-9]+]]
; CHECK: xxpermdi [[REG3:[0-9]+]], [[REG2]], [[REG1]], 1
; CHECK: stxvd2x [[REG3]]
; CHECK-NOT: xxswapd
define void @bar1(double %y) {
entry:
%0 = load <2 x double>, <2 x double>* @x, align 16
%vecins = insertelement <2 x double> %0, double %y, i32 1
store <2 x double> %vecins, <2 x double>* @z, align 16
ret void
}
; CHECK-LABEL: @bar1
; CHECK-DAG: lxvd2x [[REG1:[0-9]+]]
; CHECK-DAG: xxspltd [[REG2:[0-9]+]]
; CHECK: xxmrghd [[REG3:[0-9]+]], [[REG1]], [[REG2]]
; CHECK: stxvd2x [[REG3]]
; CHECK-NOT: xxswapd
define void @baz0() {
entry:
%0 = load <2 x double>, <2 x double>* @z, align 16
%1 = load <2 x double>, <2 x double>* @x, align 16
%vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 0, i32 2>
store <2 x double> %vecins, <2 x double>* @z, align 16
ret void
}
; CHECK-LABEL: @baz0
; CHECK: lxvd2x
; CHECK: lxvd2x
; CHECK: xxmrghd
; CHECK: stxvd2x
; CHECK-NOT: xxswapd
define void @baz1() {
entry:
%0 = load <2 x double>, <2 x double>* @z, align 16
%1 = load <2 x double>, <2 x double>* @x, align 16
%vecins = shufflevector <2 x double> %0, <2 x double> %1, <2 x i32> <i32 3, i32 1>
store <2 x double> %vecins, <2 x double>* @z, align 16
ret void
}
; CHECK-LABEL: @baz1
; CHECK: lxvd2x
; CHECK: lxvd2x
; CHECK: xxmrgld
; CHECK: stxvd2x
; CHECK-NOT: xxswapd
|