1 ; RUN: llc < %s -march=mips -mcpu=mips2 -relocation-model=pic | FileCheck %s \
2 ; RUN: --check-prefixes=ALL,GP32,GP32-M
3 ; RUN: llc < %s -march=mips -mcpu=mips32 -relocation-model=pic | FileCheck %s \
4 ; RUN: --check-prefixes=ALL,GP32,GP32-M
5 ; RUN: llc < %s -march=mips -mcpu=mips32r6 -relocation-model=pic | FileCheck %s \
6 ; RUN: --check-prefixes=ALL,GP32,GP32-M
7 ; RUN: llc < %s -march=mips -mcpu=mips32r2 -mattr=+micromips -relocation-model=pic | FileCheck %s \
8 ; RUN: --check-prefixes=ALL,GP32,GP32-MM,GP32-MMR2
9 ; RUN: llc < %s -march=mips -mcpu=mips32r6 -mattr=+micromips -relocation-model=pic | FileCheck %s \
10 ; RUN: --check-prefixes=ALL,GP32,GP32-MM,GP32-MMR6
11 ; RUN: llc < %s -march=mips64 -mcpu=mips3 -relocation-model=pic | FileCheck %s \
12 ; RUN: --check-prefixes=ALL,GP64,N64
13 ; RUN: llc < %s -march=mips64 -mcpu=mips64 -relocation-model=pic | FileCheck %s \
14 ; RUN: --check-prefixes=ALL,GP64,N64
15 ; RUN: llc < %s -march=mips64 -mcpu=mips64r6 -relocation-model=pic | FileCheck %s \
16 ; RUN: --check-prefixes=ALL,GP64,N64
17 ; RUN: llc < %s -march=mips64 -mcpu=mips3 -target-abi n32 -relocation-model=pic | FileCheck %s \
18 ; RUN: --check-prefixes=ALL,GP64,N32
19 ; RUN: llc < %s -march=mips64 -mcpu=mips64 -target-abi n32 -relocation-model=pic | FileCheck %s \
20 ; RUN: --check-prefixes=ALL,GP64,N32
21 ; RUN: llc < %s -march=mips64 -mcpu=mips64r6 -target-abi n32 -relocation-model=pic | FileCheck %s \
22 ; RUN: --check-prefixes=ALL,GP64,N32
24 ; Check dynamic stack realignment in functions without variable-sized objects.
26 declare void @helper_01(i32, i32, i32, i32, ptr)
29 define void @func_01() {
31 ; GP32-LABEL: func_01:
34 ; FIXME: We are currently over-allocating stack space. This particular case
35 ; needs a frame of up to between 16 and 512-bytes but currently
36 ; allocates between 1024 and 1536 bytes
37 ; GP32-M: addiu $sp, $sp, -1024
38 ; GP32-MMR2: addiusp -1024
39 ; GP32-MMR6: addiu $sp, $sp, -1024
40 ; GP32: sw $ra, 1020($sp)
41 ; GP32: sw $fp, 1016($sp)
44 ; GP32: addiu $[[T0:[0-9]+|ra|gp]], $zero, -512
45 ; GP32-NEXT: and $sp, $sp, $[[T0]]
48 ; GP32: addiu $[[T1:[0-9]+]], $sp, 512
49 ; GP32-M: sw $[[T1]], 16($sp)
50 ; GP32-MM: sw16 $[[T1]], 16(${{[0-9]+}})
54 ; GP32: lw $fp, 1016($sp)
55 ; GP32: lw $ra, 1020($sp)
56 ; GP32-M: addiu $sp, $sp, 1024
57 ; GP32-MMR2: addiusp 1024
58 ; GP32-MMR6: addiu $sp, $sp, 1024
60 %a = alloca i32, align 512
61 call void @helper_01(i32 0, i32 0, i32 0, i32 0, ptr %a)
65 declare void @helper_02(i32, i32, i32, i32,
66 i32, i32, i32, i32, ptr)
69 define void @func_02() {
71 ; GP64-LABEL: func_02:
74 ; FIXME: We are currently over-allocating stack space. This particular case
75 ; needs a frame of up to between 16 and 512-bytes but currently
76 ; allocates between 1024 and 1536 bytes
77 ; N32: addiu $sp, $sp, -1024
78 ; N64: daddiu $sp, $sp, -1024
79 ; GP64: sd $ra, 1016($sp)
80 ; GP64: sd $fp, 1008($sp)
81 ; N32: sd $gp, 1000($sp)
84 ; N32: addiu $[[T0:[0-9]+|ra]], $zero, -512
85 ; N64: daddiu $[[T0:[0-9]+|ra]], $zero, -512
86 ; GP64-NEXT: and $sp, $sp, $[[T0]]
89 ; N32: addiu $[[T1:[0-9]+]], $sp, 512
90 ; N64: daddiu $[[T1:[0-9]+]], $sp, 512
91 ; GP64: sd $[[T1]], 0($sp)
95 ; N32: ld $gp, 1000($sp)
96 ; GP64: ld $fp, 1008($sp)
97 ; GP64: ld $ra, 1016($sp)
98 ; N32: addiu $sp, $sp, 1024
99 ; N64: daddiu $sp, $sp, 1024
101 %a = alloca i32, align 512
102 call void @helper_02(i32 0, i32 0, i32 0, i32 0,
103 i32 0, i32 0, i32 0, i32 0, ptr %a)
107 ; Verify that we use $fp for referencing incoming arguments.
109 declare void @helper_03(i32, i32, i32, i32, ptr, ptr)
112 define void @func_03(i32 %p0, i32 %p1, i32 %p2, i32 %p3, ptr %b) {
114 ; GP32-LABEL: func_03:
117 ; FIXME: We are currently over-allocating stack space.
118 ; GP32-DAG: addiu $[[T0:[0-9]+]], $sp, 512
119 ; GP32-M-DAG: sw $[[T0]], 16($sp)
120 ; GP32-MM-DAG: sw16 $[[T0]], 16(${{[0-9]+}})
121 ; GP32-DAG: lw $[[T1:[0-9]+]], 1040($fp)
122 ; GP32-M-DAG: sw $[[T1]], 20($sp)
123 ; GP32-MM-DAG: sw16 $[[T1]], 20(${{[0-9]+}})
125 %a = alloca i32, align 512
126 call void @helper_03(i32 0, i32 0, i32 0, i32 0, ptr %a, ptr %b)
130 declare void @helper_04(i32, i32, i32, i32,
131 i32, i32, i32, i32, ptr, ptr)
134 define void @func_04(i32 %p0, i32 %p1, i32 %p2, i32 %p3,
135 i32 %p4, i32 %p5, i32 %p6, i32 %p7,
138 ; GP64-LABEL: func_04:
141 ; FIXME: We are currently over-allocating stack space.
142 ; N32-DAG: addiu $[[T0:[0-9]+]], $sp, 512
143 ; N64-DAG: daddiu $[[T0:[0-9]+]], $sp, 512
144 ; GP64-DAG: sd $[[T0]], 0($sp)
145 ; GP64-DAG: ld $[[T1:[0-9]+]], 1024($fp)
146 ; GP64-DAG: sd $[[T1]], 8($sp)
148 %a = alloca i32, align 512
149 call void @helper_04(i32 0, i32 0, i32 0, i32 0,
150 i32 0, i32 0, i32 0, i32 0, ptr %a, ptr %b)
154 ; Check dynamic stack realignment in functions with variable-sized objects.
157 define void @func_05(i32 %sz) {
159 ; GP32-LABEL: func_05:
162 ; FIXME: We are currently over-allocating stack space.
163 ; GP32-M: addiu $sp, $sp, -1024
164 ; GP32-MMR2: addiusp -1024
165 ; GP32-MMR6: addiu $sp, $sp, -1024
166 ; GP32: sw $ra, 1020($sp)
167 ; GP32: sw $fp, 1016($sp)
168 ; GP32: sw $23, 1012($sp)
170 ; GP32: move $fp, $sp
171 ; GP32: addiu $[[T0:[0-9]+|gp]], $zero, -512
172 ; GP32-NEXT: and $sp, $sp, $[[T0]]
173 ; GP32-NEXT: move $23, $sp
176 ; GP32: addiu $[[T1:[0-9]+]], $zero, 222
177 ; GP32: sw $[[T1]], 508($23)
180 ; GP32: move $sp, $fp
181 ; GP32: lw $23, 1012($sp)
182 ; GP32: lw $fp, 1016($sp)
183 ; GP32: lw $ra, 1020($sp)
184 ; GP32-M: addiu $sp, $sp, 1024
185 ; GP32-MMR2: addiusp 1024
186 ; GP32-MMR6: addiu $sp, $sp, 1024
188 %a0 = alloca i32, i32 %sz, align 512
189 %a1 = alloca i32, align 4
191 store volatile i32 111, ptr %a0, align 512
192 store volatile i32 222, ptr %a1, align 4
198 define void @func_06(i32 %sz) {
200 ; GP64-LABEL: func_06:
203 ; FIXME: We are currently over-allocating stack space.
204 ; N32: addiu $sp, $sp, -1024
205 ; N64: daddiu $sp, $sp, -1024
206 ; GP64: sd $ra, 1016($sp)
207 ; GP64: sd $fp, 1008($sp)
208 ; GP64: sd $23, 1000($sp)
210 ; GP64: move $fp, $sp
211 ; GP64: addiu $[[T0:[0-9]+|gp]], $zero, -512
212 ; GP64-NEXT: and $sp, $sp, $[[T0]]
213 ; GP64-NEXT: move $23, $sp
216 ; GP64: addiu $[[T1:[0-9]+]], $zero, 222
217 ; GP64: sw $[[T1]], 508($23)
220 ; GP64: move $sp, $fp
221 ; GP64: ld $23, 1000($sp)
222 ; GP64: ld $fp, 1008($sp)
223 ; GP64: ld $ra, 1016($sp)
224 ; N32: addiu $sp, $sp, 1024
225 ; N64: daddiu $sp, $sp, 1024
227 %a0 = alloca i32, i32 %sz, align 512
228 %a1 = alloca i32, align 4
230 store volatile i32 111, ptr %a0, align 512
231 store volatile i32 222, ptr %a1, align 4
236 ; Verify that we use $fp for referencing incoming arguments and $sp for
237 ; building outbound arguments for nested function calls.
240 define void @func_07(i32 %p0, i32 %p1, i32 %p2, i32 %p3, i32 %sz) {
242 ; GP32-LABEL: func_07:
245 ; FIXME: We are currently over-allocating stack space.
246 ; GP32-DAG: lw $[[T0:[0-9]+]], 1040($fp)
248 ; GP32-DAG: addiu $[[T1:[0-9]+]], $zero, 222
249 ; GP32-DAG: sw $[[T1]], 508($23)
251 ; GP32-M-DAG: sw $[[T2:[0-9]+]], 16($sp)
252 ; GP32-MM-DAG: sw16 $[[T2:[0-9]+]], 16($[[T3:[0-9]+]])
254 %a0 = alloca i32, i32 %sz, align 512
255 %a1 = alloca i32, align 4
257 store volatile i32 111, ptr %a0, align 512
258 store volatile i32 222, ptr %a1, align 4
260 call void @helper_01(i32 0, i32 0, i32 0, i32 0, ptr %a1)
266 define void @func_08(i32 %p0, i32 %p1, i32 %p2, i32 %p3,
267 i32 %p4, i32 %p5, i32 %p6, i32 %p7,
270 ; GP64-LABEL: func_08:
273 ; FIXME: We are currently over-allocating stack space.
274 ; N32-DAG: lw $[[T0:[0-9]+]], 1028($fp)
275 ; N64-DAG: lwu $[[T0:[0-9]+]], 1028($fp)
277 ; GP64-DAG: addiu $[[T1:[0-9]+]], $zero, 222
278 ; GP64-DAG: sw $[[T1]], 508($23)
280 ; GP64-DAG: sd $[[T2:[0-9]+]], 0($sp)
282 %a0 = alloca i32, i32 %sz, align 512
283 %a1 = alloca i32, align 4
285 store volatile i32 111, ptr %a0, align 512
286 store volatile i32 222, ptr %a1, align 4
288 call void @helper_02(i32 0, i32 0, i32 0, i32 0,
289 i32 0, i32 0, i32 0, i32 0, ptr %a1)
293 ; Check that we do not perform dynamic stack realignment in the presence of
294 ; the "no-realign-stack" function attribute.
295 define void @func_09() "no-realign-stack" {
297 ; ALL-LABEL: func_09:
299 ; ALL-NOT: and $sp, $sp, $[[T0:[0-9]+|ra|gp]]
301 %a = alloca i32, align 512
302 call void @helper_01(i32 0, i32 0, i32 0, i32 0, ptr %a)
306 define void @func_10(i32 %sz) "no-realign-stack" {
308 ; ALL-LABEL: func_10:
310 ; ALL-NOT: and $sp, $sp, $[[T0:[0-9]+|ra|gp]]
312 %a0 = alloca i32, i32 %sz, align 512
313 %a1 = alloca i32, align 4
315 store volatile i32 111, ptr %a0, align 512
316 store volatile i32 222, ptr %a1, align 4