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gerrit-public.fairphone.software / toolchain / llvm-project / a79ac14fa68297f9888bc70a10df5ed9b8864e38 / . / llvm / test / CodeGen / Thumb / segmented-stacks.ll
blob: 09f5db852bf4961c87b55e1626c47c20888ea07a [file] [log] [blame]
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]1; RUN: llc < %s -mtriple=thumb-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android
2; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux
3; RUN: llc < %s -mtriple=thumb-linux-androideabi -filetype=obj
4; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -filetype=obj
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]5
6
7; Just to prevent the alloca from being optimized away
8declare void @dummy_use(i32*, i32)
9
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]10define void @test_basic() #0 {
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]11 %mem = alloca i32, i32 10
12 call void @dummy_use (i32* %mem, i32 10)
13 ret void
14
15; Thumb-android: test_basic:
16
17; Thumb-android: push {r4, r5}
18; Thumb-android-NEXT: mov r5, sp
19; Thumb-android-NEXT: ldr r4, .LCPI0_0
20; Thumb-android-NEXT: ldr r4, [r4]
21; Thumb-android-NEXT: cmp r4, r5
22; Thumb-android-NEXT: blo .LBB0_2
23
24; Thumb-android: mov r4, #48
25; Thumb-android-NEXT: mov r5, #0
26; Thumb-android-NEXT: push {lr}
27; Thumb-android-NEXT: bl __morestack
28; Thumb-android-NEXT: pop {r4}
29; Thumb-android-NEXT: mov lr, r4
30; Thumb-android-NEXT: pop {r4, r5}
31; Thumb-android-NEXT: bx lr
32
33; Thumb-android: pop {r4, r5}
34
35; Thumb-linux: test_basic:
36
37; Thumb-linux: push {r4, r5}
38; Thumb-linux-NEXT: mov r5, sp
39; Thumb-linux-NEXT: ldr r4, .LCPI0_0
40; Thumb-linux-NEXT: ldr r4, [r4]
41; Thumb-linux-NEXT: cmp r4, r5
42; Thumb-linux-NEXT: blo .LBB0_2
43
44; Thumb-linux: mov r4, #48
45; Thumb-linux-NEXT: mov r5, #0
46; Thumb-linux-NEXT: push {lr}
47; Thumb-linux-NEXT: bl __morestack
48; Thumb-linux-NEXT: pop {r4}
49; Thumb-linux-NEXT: mov lr, r4
50; Thumb-linux-NEXT: pop {r4, r5}
51; Thumb-linux-NEXT: bx lr
52
53; Thumb-linux: pop {r4, r5}
54
55}
56
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]57define i32 @test_nested(i32 * nest %closure, i32 %other) #0 {
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame^]58 %addend = load i32 , i32 * %closure
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]59 %result = add i32 %other, %addend
Tim Northoverf9e798b2014-05-22 13:03:43 +0000[diff] [blame]60 %mem = alloca i32, i32 10
61 call void @dummy_use (i32* %mem, i32 10)
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]62 ret i32 %result
63
64; Thumb-android: test_nested:
65
66; Thumb-android: push {r4, r5}
67; Thumb-android-NEXT: mov r5, sp
68; Thumb-android-NEXT: ldr r4, .LCPI1_0
69; Thumb-android-NEXT: ldr r4, [r4]
70; Thumb-android-NEXT: cmp r4, r5
71; Thumb-android-NEXT: blo .LBB1_2
72
Tim Northoverf9e798b2014-05-22 13:03:43 +0000[diff] [blame]73; Thumb-android: mov r4, #56
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]74; Thumb-android-NEXT: mov r5, #0
75; Thumb-android-NEXT: push {lr}
76; Thumb-android-NEXT: bl __morestack
77; Thumb-android-NEXT: pop {r4}
78; Thumb-android-NEXT: mov lr, r4
79; Thumb-android-NEXT: pop {r4, r5}
80; Thumb-android-NEXT: bx lr
81
82; Thumb-android: pop {r4, r5}
83
84; Thumb-linux: test_nested:
85
86; Thumb-linux: push {r4, r5}
87; Thumb-linux-NEXT: mov r5, sp
88; Thumb-linux-NEXT: ldr r4, .LCPI1_0
89; Thumb-linux-NEXT: ldr r4, [r4]
90; Thumb-linux-NEXT: cmp r4, r5
91; Thumb-linux-NEXT: blo .LBB1_2
92
Tim Northoverf9e798b2014-05-22 13:03:43 +0000[diff] [blame]93; Thumb-linux: mov r4, #56
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]94; Thumb-linux-NEXT: mov r5, #0
95; Thumb-linux-NEXT: push {lr}
96; Thumb-linux-NEXT: bl __morestack
97; Thumb-linux-NEXT: pop {r4}
98; Thumb-linux-NEXT: mov lr, r4
99; Thumb-linux-NEXT: pop {r4, r5}
100; Thumb-linux-NEXT: bx lr
101
102; Thumb-linux: pop {r4, r5}
103
104}
105
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]106define void @test_large() #0 {
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]107 %mem = alloca i32, i32 10000
108 call void @dummy_use (i32* %mem, i32 0)
109 ret void
110
111; Thumb-android: test_large:
112
113; Thumb-android: push {r4, r5}
114; Thumb-android-NEXT: mov r5, sp
115; Thumb-android-NEXT: sub r5, #40192
116; Thumb-android-NEXT: ldr r4, .LCPI2_2
117; Thumb-android-NEXT: ldr r4, [r4]
118; Thumb-android-NEXT: cmp r4, r5
119; Thumb-android-NEXT: blo .LBB2_2
120
121; Thumb-android: mov r4, #40192
122; Thumb-android-NEXT: mov r5, #0
123; Thumb-android-NEXT: push {lr}
124; Thumb-android-NEXT: bl __morestack
125; Thumb-android-NEXT: pop {r4}
126; Thumb-android-NEXT: mov lr, r4
127; Thumb-android-NEXT: pop {r4, r5}
128; Thumb-android-NEXT: bx lr
129
130; Thumb-android: pop {r4, r5}
131
132; Thumb-linux: test_large:
133
134; Thumb-linux: push {r4, r5}
135; Thumb-linux-NEXT: mov r5, sp
136; Thumb-linux-NEXT: sub r5, #40192
137; Thumb-linux-NEXT: ldr r4, .LCPI2_2
138; Thumb-linux-NEXT: ldr r4, [r4]
139; Thumb-linux-NEXT: cmp r4, r5
140; Thumb-linux-NEXT: blo .LBB2_2
141
142; Thumb-linux: mov r4, #40192
143; Thumb-linux-NEXT: mov r5, #0
144; Thumb-linux-NEXT: push {lr}
145; Thumb-linux-NEXT: bl __morestack
146; Thumb-linux-NEXT: pop {r4}
147; Thumb-linux-NEXT: mov lr, r4
148; Thumb-linux-NEXT: pop {r4, r5}
149; Thumb-linux-NEXT: bx lr
150
151; Thumb-linux: pop {r4, r5}
152
153}
154
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]155define fastcc void @test_fastcc() #0 {
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]156 %mem = alloca i32, i32 10
157 call void @dummy_use (i32* %mem, i32 10)
158 ret void
159
160; Thumb-android: test_fastcc:
161
162; Thumb-android: push {r4, r5}
163; Thumb-android-NEXT: mov r5, sp
164; Thumb-android-NEXT: ldr r4, .LCPI3_0
165; Thumb-android-NEXT: ldr r4, [r4]
166; Thumb-android-NEXT: cmp r4, r5
167; Thumb-android-NEXT: blo .LBB3_2
168
169; Thumb-android: mov r4, #48
170; Thumb-android-NEXT: mov r5, #0
171; Thumb-android-NEXT: push {lr}
172; Thumb-android-NEXT: bl __morestack
173; Thumb-android-NEXT: pop {r4}
174; Thumb-android-NEXT: mov lr, r4
175; Thumb-android-NEXT: pop {r4, r5}
176; Thumb-android-NEXT: bx lr
177
178; Thumb-android: pop {r4, r5}
179
180; Thumb-linux: test_fastcc:
181
182; Thumb-linux: push {r4, r5}
183; Thumb-linux-NEXT: mov r5, sp
184; Thumb-linux-NEXT: ldr r4, .LCPI3_0
185; Thumb-linux-NEXT: ldr r4, [r4]
186; Thumb-linux-NEXT: cmp r4, r5
187; Thumb-linux-NEXT: blo .LBB3_2
188
189; Thumb-linux: mov r4, #48
190; Thumb-linux-NEXT: mov r5, #0
191; Thumb-linux-NEXT: push {lr}
192; Thumb-linux-NEXT: bl __morestack
193; Thumb-linux-NEXT: pop {r4}
194; Thumb-linux-NEXT: mov lr, r4
195; Thumb-linux-NEXT: pop {r4, r5}
196; Thumb-linux-NEXT: bx lr
197
198; Thumb-linux: pop {r4, r5}
199
200}
201
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]202define fastcc void @test_fastcc_large() #0 {
Oliver Stannardb14c6252014-04-02 16:10:33 +0000[diff] [blame]203 %mem = alloca i32, i32 10000
204 call void @dummy_use (i32* %mem, i32 0)
205 ret void
206
207; Thumb-android: test_fastcc_large:
208
209; Thumb-android: push {r4, r5}
210; Thumb-android-NEXT: mov r5, sp
211; Thumb-android-NEXT: sub r5, #40192
212; Thumb-android-NEXT: ldr r4, .LCPI4_2
213; Thumb-android-NEXT: ldr r4, [r4]
214; Thumb-android-NEXT: cmp r4, r5
215; Thumb-android-NEXT: blo .LBB4_2
216
217; Thumb-android: mov r4, #40192
218; Thumb-android-NEXT: mov r5, #0
219; Thumb-android-NEXT: push {lr}
220; Thumb-android-NEXT: bl __morestack
221; Thumb-android-NEXT: pop {r4}
222; Thumb-android-NEXT: mov lr, r4
223; Thumb-android-NEXT: pop {r4, r5}
224; Thumb-android-NEXT: bx lr
225
226; Thumb-android: pop {r4, r5}
227
228; Thumb-linux: test_fastcc_large:
229
230; Thumb-linux: push {r4, r5}
231; Thumb-linux-NEXT: mov r5, sp
232; Thumb-linux-NEXT: sub r5, #40192
233; Thumb-linux-NEXT: ldr r4, .LCPI4_2
234; Thumb-linux-NEXT: ldr r4, [r4]
235; Thumb-linux-NEXT: cmp r4, r5
236; Thumb-linux-NEXT: blo .LBB4_2
237
238; Thumb-linux: mov r4, #40192
239; Thumb-linux-NEXT: mov r5, #0
240; Thumb-linux-NEXT: push {lr}
241; Thumb-linux-NEXT: bl __morestack
242; Thumb-linux-NEXT: pop {r4}
243; Thumb-linux-NEXT: mov lr, r4
244; Thumb-linux-NEXT: pop {r4, r5}
245; Thumb-linux-NEXT: bx lr
246
247; Thumb-linux: pop {r4, r5}
248
249}
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]250
Tim Northoverf9e798b2014-05-22 13:03:43 +0000[diff] [blame]251define void @test_nostack() #0 {
252 ret void
253
254; Thumb-android-LABEL: test_nostack:
255; Thumb-android-NOT: bl __morestack
256
257; Thumb-linux-LABEL: test_nostack:
258; Thumb-linux-NOT: bl __morestack
259}
260
Reid Kleckner9c658212014-04-10 22:58:43 +0000[diff] [blame]261attributes #0 = { "split-stack" }