blob: df4912ca1f7ab1b2c9a6f8ec84e3b572933483fb [file] [log] [blame]
James Molloycfb04432015-05-15 16:15:57 +00001; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
2
3; CHECK-LABEL: t1
4; CHECK: smax
5define <4 x i32> @t1(<4 x i32> %a, <4 x i32> %b) {
6 %t1 = icmp sgt <4 x i32> %a, %b
7 %t2 = select <4 x i1> %t1, <4 x i32> %a, <4 x i32> %b
8 ret <4 x i32> %t2
9}
10
11; CHECK-LABEL: t2
12; CHECK: smin
13define <4 x i32> @t2(<4 x i32> %a, <4 x i32> %b) {
14 %t1 = icmp slt <4 x i32> %a, %b
15 %t2 = select <4 x i1> %t1, <4 x i32> %a, <4 x i32> %b
16 ret <4 x i32> %t2
17}
18
19; CHECK-LABEL: t3
20; CHECK: umax
21define <4 x i32> @t3(<4 x i32> %a, <4 x i32> %b) {
22 %t1 = icmp ugt <4 x i32> %a, %b
23 %t2 = select <4 x i1> %t1, <4 x i32> %a, <4 x i32> %b
24 ret <4 x i32> %t2
25}
26
27; CHECK-LABEL: t4
28; CHECK: umin
29define <8 x i8> @t4(<8 x i8> %a, <8 x i8> %b) {
30 %t1 = icmp ult <8 x i8> %a, %b
31 %t2 = select <8 x i1> %t1, <8 x i8> %a, <8 x i8> %b
32 ret <8 x i8> %t2
33}
34
35; CHECK-LABEL: t5
36; CHECK: smin
37define <4 x i16> @t5(<4 x i16> %a, <4 x i16> %b) {
38 %t1 = icmp sgt <4 x i16> %b, %a
39 %t2 = select <4 x i1> %t1, <4 x i16> %a, <4 x i16> %b
40 ret <4 x i16> %t2
41}
42
43; CHECK-LABEL: t6
44; CHECK: smax
45define <2 x i32> @t6(<2 x i32> %a, <2 x i32> %b) {
46 %t1 = icmp slt <2 x i32> %b, %a
47 %t2 = select <2 x i1> %t1, <2 x i32> %a, <2 x i32> %b
48 ret <2 x i32> %t2
49}
50
51; CHECK-LABEL: t7
52; CHECK: umin
53define <16 x i8> @t7(<16 x i8> %a, <16 x i8> %b) {
54 %t1 = icmp ugt <16 x i8> %b, %a
55 %t2 = select <16 x i1> %t1, <16 x i8> %a, <16 x i8> %b
56 ret <16 x i8> %t2
57}
58
59; CHECK-LABEL: t8
60; CHECK: umax
61define <8 x i16> @t8(<8 x i16> %a, <8 x i16> %b) {
62 %t1 = icmp ult <8 x i16> %b, %a
63 %t2 = select <8 x i1> %t1, <8 x i16> %a, <8 x i16> %b
64 ret <8 x i16> %t2
65}
66
67; CHECK-LABEL: t9
68; CHECK: umin
69; CHECK: smax
70define <4 x i32> @t9(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
71 %t1 = icmp ugt <4 x i32> %b, %a
72 %t2 = select <4 x i1> %t1, <4 x i32> %a, <4 x i32> %b
73 %t3 = icmp sge <4 x i32> %t2, %c
74 %t4 = select <4 x i1> %t3, <4 x i32> %t2, <4 x i32> %c
75 ret <4 x i32> %t4
76}
77
78; CHECK-LABEL: t10
79; CHECK: smax
80; CHECK: smax
81define <8 x i32> @t10(<8 x i32> %a, <8 x i32> %b) {
82 %t1 = icmp sgt <8 x i32> %a, %b
83 %t2 = select <8 x i1> %t1, <8 x i32> %a, <8 x i32> %b
84 ret <8 x i32> %t2
85}
86
87; CHECK-LABEL: t11
88; CHECK: smin
89; CHECK: smin
90; CHECK: smin
91; CHECK: smin
92define <16 x i32> @t11(<16 x i32> %a, <16 x i32> %b) {
93 %t1 = icmp sle <16 x i32> %a, %b
94 %t2 = select <16 x i1> %t1, <16 x i32> %a, <16 x i32> %b
95 ret <16 x i32> %t2
96}
James Molloy37593732015-06-04 13:48:23 +000097
98; CHECK-LABEL: t12
99; CHECK-NOT: umin
100; The icmp is used by two instructions, so don't produce a umin node.
101define <16 x i8> @t12(<16 x i8> %a, <16 x i8> %b) {
102 %t1 = icmp ugt <16 x i8> %b, %a
103 %t2 = select <16 x i1> %t1, <16 x i8> %a, <16 x i8> %b
104 %t3 = zext <16 x i1> %t1 to <16 x i8>
105 %t4 = add <16 x i8> %t3, %t2
106 ret <16 x i8> %t4
107}