1 ; RUN: llc -mtriple=aarch64-linux-gnu -aarch64-neon-syntax=apple -verify-machineinstrs -o - %s | FileCheck %s
3 ; Test signed conversion.
5 ; CHECK: scvtf.2s v0, v0, #4
7 define <2 x float> @test1(<2 x i32> %in) {
9 %vcvt.i = sitofp <2 x i32> %in to <2 x float>
10 %div.i = fdiv <2 x float> %vcvt.i, <float 16.0, float 16.0>
11 ret <2 x float> %div.i
14 ; Test unsigned conversion.
16 ; CHECK: ucvtf.2s v0, v0, #3
18 define <2 x float> @test2(<2 x i32> %in) {
20 %vcvt.i = uitofp <2 x i32> %in to <2 x float>
21 %div.i = fdiv <2 x float> %vcvt.i, <float 8.0, float 8.0>
22 ret <2 x float> %div.i
25 ; Test which should not fold due to non-power of 2.
27 ; CHECK: scvtf.2s v0, v0
28 ; CHECK: fmov.2s v1, #9.00000000
29 ; CHECK: fdiv.2s v0, v0, v1
31 define <2 x float> @test3(<2 x i32> %in) {
33 %vcvt.i = sitofp <2 x i32> %in to <2 x float>
34 %div.i = fdiv <2 x float> %vcvt.i, <float 9.0, float 9.0>
35 ret <2 x float> %div.i
38 ; Test which should not fold due to power of 2 out of range.
40 ; CHECK: scvtf.2s v0, v0
41 ; CHECK: movi.2s v1, #80, lsl #24
42 ; CHECK: fdiv.2s v0, v0, v1
44 define <2 x float> @test4(<2 x i32> %in) {
46 %vcvt.i = sitofp <2 x i32> %in to <2 x float>
47 %div.i = fdiv <2 x float> %vcvt.i, <float 0x4200000000000000, float 0x4200000000000000>
48 ret <2 x float> %div.i
51 ; Test case where const is max power of 2 (i.e., 2^32).
53 ; CHECK: scvtf.2s v0, v0, #32
55 define <2 x float> @test5(<2 x i32> %in) {
57 %vcvt.i = sitofp <2 x i32> %in to <2 x float>
58 %div.i = fdiv <2 x float> %vcvt.i, <float 0x41F0000000000000, float 0x41F0000000000000>
59 ret <2 x float> %div.i
64 ; CHECK: scvtf.4s v0, v0, #2
66 define <4 x float> @test6(<4 x i32> %in) {
68 %vcvt.i = sitofp <4 x i32> %in to <4 x float>
69 %div.i = fdiv <4 x float> %vcvt.i, <float 4.0, float 4.0, float 4.0, float 4.0>
70 ret <4 x float> %div.i
73 ; Test unsigned i16 to float
75 ; CHECK: ushll.4s v0, v0, #0
76 ; CHECK: ucvtf.4s v0, v0, #1
78 define <4 x float> @test7(<4 x i16> %in) {
79 %conv = uitofp <4 x i16> %in to <4 x float>
80 %shift = fdiv <4 x float> %conv, <float 2.0, float 2.0, float 2.0, float 2.0>
81 ret <4 x float> %shift
84 ; Test signed i16 to float
86 ; CHECK: sshll.4s v0, v0, #0
87 ; CHECK: scvtf.4s v0, v0, #2
89 define <4 x float> @test8(<4 x i16> %in) {
90 %conv = sitofp <4 x i16> %in to <4 x float>
91 %shift = fdiv <4 x float> %conv, <float 4.0, float 4.0, float 4.0, float 4.0>
92 ret <4 x float> %shift
95 ; Can't convert i64 to float.
97 ; CHECK: ucvtf.2d v0, v0
98 ; CHECK: fcvtn v0.2s, v0.2d
99 ; CHECK: movi.2s v1, #64, lsl #24
100 ; CHECK: fdiv.2s v0, v0, v1
102 define <2 x float> @test9(<2 x i64> %in) {
103 %conv = uitofp <2 x i64> %in to <2 x float>
104 %shift = fdiv <2 x float> %conv, <float 2.0, float 2.0>
105 ret <2 x float> %shift
108 ; CHECK-LABEL: @test10
109 ; CHECK: ucvtf.2d v0, v0, #1
111 define <2 x double> @test10(<2 x i64> %in) {
112 %conv = uitofp <2 x i64> %in to <2 x double>
113 %shift = fdiv <2 x double> %conv, <double 2.0, double 2.0>
114 ret <2 x double> %shift