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comparison test/CodeGen/ARM/aapcs-hfa-code.ll @ 77:54457678186b

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
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34:e874dbf0ad9d 77:54457678186b
1 ; RUN: llc < %s -mtriple=armv7-linux-gnueabihf -o - | FileCheck %s
2 ; RUN: llc < %s -mtriple=thumbv7em-none-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK-M4F
3
4 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
5
6 define arm_aapcs_vfpcc void @test_1float({ float } %a) {
7 call arm_aapcs_vfpcc void @test_1float({ float } { float 1.0 })
8 ret void
9
10 ; CHECK-LABEL: test_1float:
11 ; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
12 ; CHECK: bl test_1float
13
14 ; CHECK-M4F-LABEL: test_1float:
15 ; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
16 ; CHECK-M4F: bl test_1float
17 }
18
19 define arm_aapcs_vfpcc void @test_2float({ float, float } %a) {
20 call arm_aapcs_vfpcc void @test_2float({ float, float } { float 1.0, float 2.0 })
21 ret void
22
23 ; CHECK-LABEL: test_2float:
24 ; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
25 ; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00
26 ; CHECK: bl test_2float
27
28 ; CHECK-M4F-LABEL: test_2float:
29 ; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
30 ; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00
31 ; CHECK-M4F: bl test_2float
32 }
33
34 define arm_aapcs_vfpcc void @test_3float({ float, float, float } %a) {
35 call arm_aapcs_vfpcc void @test_3float({ float, float, float } { float 1.0, float 2.0, float 3.0 })
36 ret void
37
38 ; CHECK-LABEL: test_3float:
39 ; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00
40 ; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00
41 ; CHECK-DAG: vmov.f32 s2, #3.{{0+}}e+00
42 ; CHECK: bl test_3float
43
44 ; CHECK-M4F-LABEL: test_3float:
45 ; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00
46 ; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00
47 ; CHECK-M4F-DAG: vmov.f32 s2, #3.{{0+}}e+00
48 ; CHECK-M4F: bl test_3float
49 }
50
51 define arm_aapcs_vfpcc void @test_1double({ double } %a) {
52 ; CHECK-LABEL: test_1double:
53 ; CHECK-DAG: vmov.f64 d0, #1.{{0+}}e+00
54 ; CHECK: bl test_1double
55
56 ; CHECK-M4F-LABEL: test_1double:
57 ; CHECK-M4F: vldr d0, [[CP_LABEL:.*]]
58 ; CHECK-M4F: bl test_1double
59 ; CHECK-M4F: [[CP_LABEL]]
60 ; CHECK-M4F-NEXT: .long 0
61 ; CHECK-M4F-NEXT: .long 1072693248
62
63 call arm_aapcs_vfpcc void @test_1double({ double } { double 1.0 })
64 ret void
65 }
66
67 ; Final double argument might be put in s15 & [sp] if we're careless. It should
68 ; go all on the stack.
69 define arm_aapcs_vfpcc void @test_1double_nosplit([4 x float], [4 x double], [3 x float], double %a) {
70 ; CHECK-LABEL: test_1double_nosplit:
71 ; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0
72 ; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0
73 ; CHECK-DAG: movt [[ONEHI]], #16368
74 ; CHECK: strd [[ONELO]], [[ONEHI]], [sp]
75 ; CHECK: bl test_1double_nosplit
76
77 ; CHECK-M4F-LABEL: test_1double_nosplit:
78 ; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0
79 ; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0
80 ; CHECK-M4F: movt [[ONEHI]], #16368
81 ; CHECK-M4F: strd [[ONELO]], [[ONEHI]], [sp]
82 ; CHECK-M4F: bl test_1double_nosplit
83 call arm_aapcs_vfpcc void @test_1double_nosplit([4 x float] undef, [4 x double] undef, [3 x float] undef, double 1.0)
84 ret void
85 }
86
87 ; Final double argument might go at [sp, #4] if we're careless. Should go at
88 ; [sp, #8] to preserve alignment.
89 define arm_aapcs_vfpcc void @test_1double_misaligned([4 x double], [4 x double], float, double) {
90 call arm_aapcs_vfpcc void @test_1double_misaligned([4 x double] undef, [4 x double] undef, float undef, double 1.0)
91
92 ; CHECK-LABEL: test_1double_misaligned:
93 ; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0
94 ; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0
95 ; CHECK-DAG: movt [[ONEHI]], #16368
96 ; CHECK-DAG: strd [[ONELO]], [[ONEHI]], [sp, #8]
97
98 ; CHECK-M4F-LABEL: test_1double_misaligned:
99 ; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0
100 ; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0
101 ; CHECK-M4F: movt [[ONEHI]], #16368
102 ; CHECK-M4F: strd [[ONELO]], [[ONEHI]], [sp, #8]
103 ; CHECK-M4F: bl test_1double_misaligned
104
105 ret void
106 }