source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/fast-isel-align.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

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1; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM
2; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB
3; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
4; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN
5
6; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM
7; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB
8; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
9; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN
10
11; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-nacl -verify-machineinstrs | FileCheck %s --check-prefix=ARM
12; RUN: llc < %s -O0 -mattr=+strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-nacl -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
13
14; RUN: llc < %s -O0 -mattr=+strict-align -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
15; RUN: llc < %s -O0  -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN
16; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=ARM
17; RUN: llc < %s -O0 -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -verify-machineinstrs | FileCheck %s --check-prefix=THUMB
18; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=armv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
19; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=thumbv7-unknown-unknown -mattr=+strict-align -verify-machineinstrs | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN
20
21; Check unaligned stores
22%struct.anon = type <{ float }>
23
24@a = common global %struct.anon* null, align 4
25
26define void @unaligned_store(float %x, float %y) nounwind {
27entry:
28; ARM: @unaligned_store
29; ARM: vmov r1, s0
30; ARM: str r1, [r0]
31
32; THUMB: @unaligned_store
33; THUMB: vmov r1, s0
34; THUMB: str r1, [r0]
35
36  %add = fadd float %x, %y
37  %0 = load %struct.anon*, %struct.anon** @a, align 4
38  %x1 = getelementptr inbounds %struct.anon, %struct.anon* %0, i32 0, i32 0
39  store float %add, float* %x1, align 1
40  ret void
41}
42
43; Doublewords require only word-alignment.
44; rdar://10528060
45%struct.anon.0 = type { double }
46
47@foo_unpacked = common global %struct.anon.0 zeroinitializer, align 4
48
49define void @word_aligned_f64_store(double %a, double %b) nounwind {
50entry:
51; ARM: @word_aligned_f64_store
52; THUMB: @word_aligned_f64_store
53  %add = fadd double %a, %b
54  store double %add, double* getelementptr inbounds (%struct.anon.0, %struct.anon.0* @foo_unpacked, i32 0, i32 0), align 4
55; ARM: vstr d16, [r0]
56; THUMB: vstr d16, [r0]
57  ret void
58}
59
60; Check unaligned loads of floats
61%class.TAlignTest = type <{ i16, float }>
62
63define zeroext i1 @unaligned_f32_load(%class.TAlignTest* %this) nounwind align 2 {
64entry:
65; ARM: @unaligned_f32_load
66; THUMB: @unaligned_f32_load
67  %0 = alloca %class.TAlignTest*, align 4
68  store %class.TAlignTest* %this, %class.TAlignTest** %0, align 4
69  %1 = load %class.TAlignTest*, %class.TAlignTest** %0
70  %2 = getelementptr inbounds %class.TAlignTest, %class.TAlignTest* %1, i32 0, i32 1
71  %3 = load float, float* %2, align 1
72  %4 = fcmp une float %3, 0.000000e+00
73; ARM: ldr r[[R:[0-9]+]], [r0, #2]
74; ARM: vmov s0, r[[R]]
75; ARM: vcmpe.f32 s0, #0
76; THUMB: ldr.w r[[R:[0-9]+]], [r0, #2]
77; THUMB: vmov s0, r[[R]]
78; THUMB: vcmpe.f32 s0, #0
79  ret i1 %4
80}
81
82define void @unaligned_i16_store(i16 %x, i16* %y) nounwind {
83entry:
84; ARM-STRICT-ALIGN: @unaligned_i16_store
85; ARM-STRICT-ALIGN: strb
86; ARM-STRICT-ALIGN: strb
87
88; THUMB-STRICT-ALIGN: @unaligned_i16_store
89; THUMB-STRICT-ALIGN: strb
90; THUMB-STRICT-ALIGN: strb
91
92  store i16 %x, i16* %y, align 1
93  ret void
94}
95
96define i16 @unaligned_i16_load(i16* %x) nounwind {
97entry:
98; ARM-STRICT-ALIGN: @unaligned_i16_load
99; ARM-STRICT-ALIGN: ldrb
100; ARM-STRICT-ALIGN: ldrb
101
102; THUMB-STRICT-ALIGN: @unaligned_i16_load
103; THUMB-STRICT-ALIGN: ldrb
104; THUMB-STRICT-ALIGN: ldrb
105
106  %0 = load i16, i16* %x, align 1
107  ret i16 %0
108}
109
110define void @unaligned_i32_store(i32 %x, i32* %y) nounwind {
111entry:
112; ARM-STRICT-ALIGN: @unaligned_i32_store
113; ARM-STRICT-ALIGN: strb
114; ARM-STRICT-ALIGN: strb
115; ARM-STRICT-ALIGN: strb
116; ARM-STRICT-ALIGN: strb
117
118; THUMB-STRICT-ALIGN: @unaligned_i32_store
119; THUMB-STRICT-ALIGN: strb
120; THUMB-STRICT-ALIGN: strb
121; THUMB-STRICT-ALIGN: strb
122; THUMB-STRICT-ALIGN: strb
123
124  store i32 %x, i32* %y, align 1
125  ret void
126}
127
128define i32 @unaligned_i32_load(i32* %x) nounwind {
129entry:
130; ARM-STRICT-ALIGN: @unaligned_i32_load
131; ARM-STRICT-ALIGN: ldrb
132; ARM-STRICT-ALIGN: ldrb
133; ARM-STRICT-ALIGN: ldrb
134; ARM-STRICT-ALIGN: ldrb
135
136; THUMB-STRICT-ALIGN: @unaligned_i32_load
137; THUMB-STRICT-ALIGN: ldrb
138; THUMB-STRICT-ALIGN: ldrb
139; THUMB-STRICT-ALIGN: ldrb
140; THUMB-STRICT-ALIGN: ldrb
141
142  %0 = load i32, i32* %x, align 1
143  ret i32 %0
144}
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