1; RUN: llc  < %s -march=mipsel | FileCheck %s
2; RUN: llc  < %s -mtriple=mipsel-none-nacl-gnu \
3; RUN:  | FileCheck %s -check-prefix=CHECK-NACL
4; RUN: llc  < %s -march=mipsel -mcpu=mips32 -mattr=+nooddspreg | FileCheck %s -check-prefix=NOODDSPREG
5; RUN: llc  < %s -march=mipsel -mcpu=mips32r2 -mattr=+fp64,+nooddspreg | FileCheck %s -check-prefix=FP64-NOODDSPREG
6
7
8@gi0 = external global i32
9@gi1 = external global i32
10@gi2 = external global i32
11@gi3 = external global i32
12@gi4 = external global i32
13@gi5 = external global i32
14@gi6 = external global i32
15@gi7 = external global i32
16@gi8 = external global i32
17@gi9 = external global i32
18@gi10 = external global i32
19@gi11 = external global i32
20@gi12 = external global i32
21@gi13 = external global i32
22@gi14 = external global i32
23@gi15 = external global i32
24@gi16 = external global i32
25@gfa0 = external global float
26@gfa1 = external global float
27@gfa2 = external global float
28@gfa3 = external global float
29@gfa4 = external global float
30@gfa5 = external global float
31@gfa6 = external global float
32@gfa7 = external global float
33@gfa8 = external global float
34@gfa9 = external global float
35@gfa10 = external global float
36@gfa11 = external global float
37@gfa12 = external global float
38@gfa13 = external global float
39@gfa14 = external global float
40@gfa15 = external global float
41@gfa16 = external global float
42@gfa17 = external global float
43@gfa18 = external global float
44@gfa19 = external global float
45@gfa20 = external global float
46@gf0 = external global float
47@gf1 = external global float
48@gf2 = external global float
49@gf3 = external global float
50@gf4 = external global float
51@gf5 = external global float
52@gf6 = external global float
53@gf7 = external global float
54@gf8 = external global float
55@gf9 = external global float
56@gf10 = external global float
57@gf11 = external global float
58@gf12 = external global float
59@gf13 = external global float
60@gf14 = external global float
61@gf15 = external global float
62@gf16 = external global float
63@gf17 = external global float
64@gf18 = external global float
65@gf19 = external global float
66@gf20 = external global float
67@g0 = external global i32
68@g1 = external global i32
69@g2 = external global i32
70@g3 = external global i32
71@g4 = external global i32
72@g5 = external global i32
73@g6 = external global i32
74@g7 = external global i32
75@g8 = external global i32
76@g9 = external global i32
77@g10 = external global i32
78@g11 = external global i32
79@g12 = external global i32
80@g13 = external global i32
81@g14 = external global i32
82@g15 = external global i32
83@g16 = external global i32
84
85@fa = common global [11 x float] zeroinitializer, align 4
86@da = common global [11 x double] zeroinitializer, align 8
87
88define void @caller0() nounwind {
89entry:
90; CHECK: caller0
91; CHECK: lw  $3
92; CHECK: lw  $24
93; CHECK: lw  $15
94; CHECK: lw  $14
95; CHECK: lw  $13
96; CHECK: lw  $12
97; CHECK: lw  $11
98; CHECK: lw  $10
99; CHECK: lw  $9
100; CHECK: lw  $8
101; CHECK: lw  $7
102; CHECK: lw  $6
103; CHECK: lw  $5
104; CHECK: lw  $4
105
106; t6, t7 and t8 are reserved in NaCl and cannot be used for fastcc.
107; CHECK-NACL-NOT: lw  $14
108; CHECK-NACL-NOT: lw  $15
109; CHECK-NACL-NOT: lw  $24
110
111  %0 = load i32, i32* @gi0, align 4
112  %1 = load i32, i32* @gi1, align 4
113  %2 = load i32, i32* @gi2, align 4
114  %3 = load i32, i32* @gi3, align 4
115  %4 = load i32, i32* @gi4, align 4
116  %5 = load i32, i32* @gi5, align 4
117  %6 = load i32, i32* @gi6, align 4
118  %7 = load i32, i32* @gi7, align 4
119  %8 = load i32, i32* @gi8, align 4
120  %9 = load i32, i32* @gi9, align 4
121  %10 = load i32, i32* @gi10, align 4
122  %11 = load i32, i32* @gi11, align 4
123  %12 = load i32, i32* @gi12, align 4
124  %13 = load i32, i32* @gi13, align 4
125  %14 = load i32, i32* @gi14, align 4
126  %15 = load i32, i32* @gi15, align 4
127  %16 = load i32, i32* @gi16, align 4
128  tail call fastcc void @callee0(i32 %0, i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 %9, i32 %10, i32 %11, i32 %12, i32 %13, i32 %14, i32 %15, i32 %16)
129  ret void
130}
131
132define internal fastcc void @callee0(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6, i32 %a7, i32 %a8, i32 %a9, i32 %a10, i32 %a11, i32 %a12, i32 %a13, i32 %a14, i32 %a15, i32 %a16) nounwind noinline {
133entry:
134; CHECK: callee0
135; CHECK: sw  $4
136; CHECK: sw  $5
137; CHECK: sw  $6
138; CHECK: sw  $7
139; CHECK: sw  $8
140; CHECK: sw  $9
141; CHECK: sw  $10
142; CHECK: sw  $11
143; CHECK: sw  $12
144; CHECK: sw  $13
145; CHECK: sw  $14
146; CHECK: sw  $15
147; CHECK: sw  $24
148; CHECK: sw  $3
149
150; t6, t7 and t8 are reserved in NaCl and cannot be used for fastcc.
151; CHECK-NACL-NOT: sw  $14
152; CHECK-NACL-NOT: sw  $15
153; CHECK-NACL-NOT: sw  $24
154
155  store i32 %a0, i32* @g0, align 4
156  store i32 %a1, i32* @g1, align 4
157  store i32 %a2, i32* @g2, align 4
158  store i32 %a3, i32* @g3, align 4
159  store i32 %a4, i32* @g4, align 4
160  store i32 %a5, i32* @g5, align 4
161  store i32 %a6, i32* @g6, align 4
162  store i32 %a7, i32* @g7, align 4
163  store i32 %a8, i32* @g8, align 4
164  store i32 %a9, i32* @g9, align 4
165  store i32 %a10, i32* @g10, align 4
166  store i32 %a11, i32* @g11, align 4
167  store i32 %a12, i32* @g12, align 4
168  store i32 %a13, i32* @g13, align 4
169  store i32 %a14, i32* @g14, align 4
170  store i32 %a15, i32* @g15, align 4
171  store i32 %a16, i32* @g16, align 4
172  ret void
173}
174
175define void @caller1(float %a0, float %a1, float %a2, float %a3, float %a4, float %a5, float %a6, float %a7, float %a8, float %a9, float %a10, float %a11, float %a12, float %a13, float %a14, float %a15, float %a16, float %a17, float %a18, float %a19, float %a20) nounwind {
176entry:
177; CHECK: caller1
178; CHECK: lwc1  $f19
179; CHECK: lwc1  $f18
180; CHECK: lwc1  $f17
181; CHECK: lwc1  $f16
182; CHECK: lwc1  $f15
183; CHECK: lwc1  $f14
184; CHECK: lwc1  $f13
185; CHECK: lwc1  $f12
186; CHECK: lwc1  $f11
187; CHECK: lwc1  $f10
188; CHECK: lwc1  $f9
189; CHECK: lwc1  $f8
190; CHECK: lwc1  $f7
191; CHECK: lwc1  $f6
192; CHECK: lwc1  $f5
193; CHECK: lwc1  $f4
194; CHECK: lwc1  $f3
195; CHECK: lwc1  $f2
196; CHECK: lwc1  $f1
197; CHECK: lwc1  $f0
198
199  %0 = load float, float* @gfa0, align 4
200  %1 = load float, float* @gfa1, align 4
201  %2 = load float, float* @gfa2, align 4
202  %3 = load float, float* @gfa3, align 4
203  %4 = load float, float* @gfa4, align 4
204  %5 = load float, float* @gfa5, align 4
205  %6 = load float, float* @gfa6, align 4
206  %7 = load float, float* @gfa7, align 4
207  %8 = load float, float* @gfa8, align 4
208  %9 = load float, float* @gfa9, align 4
209  %10 = load float, float* @gfa10, align 4
210  %11 = load float, float* @gfa11, align 4
211  %12 = load float, float* @gfa12, align 4
212  %13 = load float, float* @gfa13, align 4
213  %14 = load float, float* @gfa14, align 4
214  %15 = load float, float* @gfa15, align 4
215  %16 = load float, float* @gfa16, align 4
216  %17 = load float, float* @gfa17, align 4
217  %18 = load float, float* @gfa18, align 4
218  %19 = load float, float* @gfa19, align 4
219  %20 = load float, float* @gfa20, align 4
220  tail call fastcc void @callee1(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, float %8, float %9, float %10, float %11, float %12, float %13, float %14, float %15, float %16, float %17, float %18, float %19, float %20)
221  ret void
222}
223
224define internal fastcc void @callee1(float %a0, float %a1, float %a2, float %a3, float %a4, float %a5, float %a6, float %a7, float %a8, float %a9, float %a10, float %a11, float %a12, float %a13, float %a14, float %a15, float %a16, float %a17, float %a18, float %a19, float %a20) nounwind noinline {
225entry:
226; CHECK: callee1
227; CHECK: swc1  $f0
228; CHECK: swc1  $f1
229; CHECK: swc1  $f2
230; CHECK: swc1  $f3
231; CHECK: swc1  $f4
232; CHECK: swc1  $f5
233; CHECK: swc1  $f6
234; CHECK: swc1  $f7
235; CHECK: swc1  $f8
236; CHECK: swc1  $f9
237; CHECK: swc1  $f10
238; CHECK: swc1  $f11
239; CHECK: swc1  $f12
240; CHECK: swc1  $f13
241; CHECK: swc1  $f14
242; CHECK: swc1  $f15
243; CHECK: swc1  $f16
244; CHECK: swc1  $f17
245; CHECK: swc1  $f18
246; CHECK: swc1  $f19
247
248  store float %a0, float* @gf0, align 4
249  store float %a1, float* @gf1, align 4
250  store float %a2, float* @gf2, align 4
251  store float %a3, float* @gf3, align 4
252  store float %a4, float* @gf4, align 4
253  store float %a5, float* @gf5, align 4
254  store float %a6, float* @gf6, align 4
255  store float %a7, float* @gf7, align 4
256  store float %a8, float* @gf8, align 4
257  store float %a9, float* @gf9, align 4
258  store float %a10, float* @gf10, align 4
259  store float %a11, float* @gf11, align 4
260  store float %a12, float* @gf12, align 4
261  store float %a13, float* @gf13, align 4
262  store float %a14, float* @gf14, align 4
263  store float %a15, float* @gf15, align 4
264  store float %a16, float* @gf16, align 4
265  store float %a17, float* @gf17, align 4
266  store float %a18, float* @gf18, align 4
267  store float %a19, float* @gf19, align 4
268  store float %a20, float* @gf20, align 4
269  ret void
270}
271
272define void @caller2() {
273entry:
274
275; NOODDSPREG-LABEL:  caller2:
276
277; Check that first 10 arguments are passed in even float registers
278; f0, f2, ... , f18. Check that 11th argument is passed on stack.
279
280; NOODDSPREG-DAG:    lw      $[[R0:[0-9]+]], %got(fa)(${{[0-9]+|gp}})
281; NOODDSPREG-DAG:    lwc1    $f0, 0($[[R0]])
282; NOODDSPREG-DAG:    lwc1    $f2, 4($[[R0]])
283; NOODDSPREG-DAG:    lwc1    $f4, 8($[[R0]])
284; NOODDSPREG-DAG:    lwc1    $f6, 12($[[R0]])
285; NOODDSPREG-DAG:    lwc1    $f8, 16($[[R0]])
286; NOODDSPREG-DAG:    lwc1    $f10, 20($[[R0]])
287; NOODDSPREG-DAG:    lwc1    $f12, 24($[[R0]])
288; NOODDSPREG-DAG:    lwc1    $f14, 28($[[R0]])
289; NOODDSPREG-DAG:    lwc1    $f16, 32($[[R0]])
290; NOODDSPREG-DAG:    lwc1    $f18, 36($[[R0]])
291
292; NOODDSPREG-DAG:    lwc1    $[[F0:f[0-9]*[02468]]], 40($[[R0]])
293; NOODDSPREG-DAG:    swc1    $[[F0]], 0($sp)
294
295  %0 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 0), align 4
296  %1 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 1), align 4
297  %2 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 2), align 4
298  %3 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 3), align 4
299  %4 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 4), align 4
300  %5 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 5), align 4
301  %6 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 6), align 4
302  %7 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 7), align 4
303  %8 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 8), align 4
304  %9 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 9), align 4
305  %10 = load float, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 10), align 4
306  tail call fastcc void @callee2(float %0, float %1, float %2, float %3,
307                                 float %4, float %5, float %6, float %7,
308                                 float %8, float %9, float %10)
309  ret void
310}
311
312define fastcc void @callee2(float %a0, float %a1, float %a2, float %a3,
313                            float %a4, float %a5, float %a6, float %a7,
314                            float %a8, float %a9, float %a10) {
315entry:
316
317; NOODDSPREG-LABEL:  callee2:
318
319; NOODDSPREG:        addiu   $sp, $sp, -[[OFFSET:[0-9]+]]
320
321; Check that first 10 arguments are received in even float registers
322; f0, f2, ... , f18. Check that 11th argument is received on stack.
323
324; NOODDSPREG-DAG:    lw      $[[R0:[0-9]+]], %got(fa)(${{[0-9]+|gp}})
325; NOODDSPREG-DAG:    swc1    $f0, 0($[[R0]])
326; NOODDSPREG-DAG:    swc1    $f2, 4($[[R0]])
327; NOODDSPREG-DAG:    swc1    $f4, 8($[[R0]])
328; NOODDSPREG-DAG:    swc1    $f6, 12($[[R0]])
329; NOODDSPREG-DAG:    swc1    $f8, 16($[[R0]])
330; NOODDSPREG-DAG:    swc1    $f10, 20($[[R0]])
331; NOODDSPREG-DAG:    swc1    $f12, 24($[[R0]])
332; NOODDSPREG-DAG:    swc1    $f14, 28($[[R0]])
333; NOODDSPREG-DAG:    swc1    $f16, 32($[[R0]])
334; NOODDSPREG-DAG:    swc1    $f18, 36($[[R0]])
335
336; NOODDSPREG-DAG:    lwc1    $[[F0:f[0-9]*[02468]]], [[OFFSET]]($sp)
337; NOODDSPREG-DAG:    swc1    $[[F0]], 40($[[R0]])
338
339  store float %a0, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 0), align 4
340  store float %a1, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 1), align 4
341  store float %a2, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 2), align 4
342  store float %a3, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 3), align 4
343  store float %a4, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 4), align 4
344  store float %a5, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 5), align 4
345  store float %a6, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 6), align 4
346  store float %a7, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 7), align 4
347  store float %a8, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 8), align 4
348  store float %a9, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 9), align 4
349  store float %a10, float* getelementptr ([11 x float], [11 x float]* @fa, i32 0, i32 10), align 4
350  ret void
351}
352
353define void @caller3() {
354entry:
355
356; FP64-NOODDSPREG-LABEL:  caller3:
357
358; Check that first 10 arguments are passed in even float registers
359; f0, f2, ... , f18. Check that 11th argument is passed on stack.
360
361; FP64-NOODDSPREG-DAG:    lw      $[[R0:[0-9]+]], %got(da)(${{[0-9]+|gp}})
362; FP64-NOODDSPREG-DAG:    ldc1    $f0, 0($[[R0]])
363; FP64-NOODDSPREG-DAG:    ldc1    $f2, 8($[[R0]])
364; FP64-NOODDSPREG-DAG:    ldc1    $f4, 16($[[R0]])
365; FP64-NOODDSPREG-DAG:    ldc1    $f6, 24($[[R0]])
366; FP64-NOODDSPREG-DAG:    ldc1    $f8, 32($[[R0]])
367; FP64-NOODDSPREG-DAG:    ldc1    $f10, 40($[[R0]])
368; FP64-NOODDSPREG-DAG:    ldc1    $f12, 48($[[R0]])
369; FP64-NOODDSPREG-DAG:    ldc1    $f14, 56($[[R0]])
370; FP64-NOODDSPREG-DAG:    ldc1    $f16, 64($[[R0]])
371; FP64-NOODDSPREG-DAG:    ldc1    $f18, 72($[[R0]])
372
373; FP64-NOODDSPREG-DAG:    ldc1    $[[F0:f[0-9]*[02468]]], 80($[[R0]])
374; FP64-NOODDSPREG-DAG:    sdc1    $[[F0]], 0($sp)
375
376  %0 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 0), align 8
377  %1 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 1), align 8
378  %2 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 2), align 8
379  %3 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 3), align 8
380  %4 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 4), align 8
381  %5 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 5), align 8
382  %6 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 6), align 8
383  %7 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 7), align 8
384  %8 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 8), align 8
385  %9 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 9), align 8
386  %10 = load double, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 10), align 8
387  tail call fastcc void @callee3(double %0, double %1, double %2, double %3,
388                                 double %4, double %5, double %6, double %7,
389                                 double %8, double %9, double %10)
390  ret void
391}
392
393define fastcc void @callee3(double %a0, double %a1, double %a2, double %a3,
394                            double %a4, double %a5, double %a6, double %a7,
395                            double %a8, double %a9, double %a10) {
396entry:
397
398; FP64-NOODDSPREG-LABEL:  callee3:
399
400; FP64-NOODDSPREG:        addiu   $sp, $sp, -[[OFFSET:[0-9]+]]
401
402; Check that first 10 arguments are received in even float registers
403; f0, f2, ... , f18. Check that 11th argument is received on stack.
404
405; FP64-NOODDSPREG-DAG:    lw      $[[R0:[0-9]+]], %got(da)(${{[0-9]+|gp}})
406; FP64-NOODDSPREG-DAG:    sdc1    $f0, 0($[[R0]])
407; FP64-NOODDSPREG-DAG:    sdc1    $f2, 8($[[R0]])
408; FP64-NOODDSPREG-DAG:    sdc1    $f4, 16($[[R0]])
409; FP64-NOODDSPREG-DAG:    sdc1    $f6, 24($[[R0]])
410; FP64-NOODDSPREG-DAG:    sdc1    $f8, 32($[[R0]])
411; FP64-NOODDSPREG-DAG:    sdc1    $f10, 40($[[R0]])
412; FP64-NOODDSPREG-DAG:    sdc1    $f12, 48($[[R0]])
413; FP64-NOODDSPREG-DAG:    sdc1    $f14, 56($[[R0]])
414; FP64-NOODDSPREG-DAG:    sdc1    $f16, 64($[[R0]])
415; FP64-NOODDSPREG-DAG:    sdc1    $f18, 72($[[R0]])
416
417; FP64-NOODDSPREG-DAG:    ldc1    $[[F0:f[0-9]*[02468]]], [[OFFSET]]($sp)
418; FP64-NOODDSPREG-DAG:    sdc1    $[[F0]], 80($[[R0]])
419
420  store double %a0, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 0), align 8
421  store double %a1, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 1), align 8
422  store double %a2, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 2), align 8
423  store double %a3, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 3), align 8
424  store double %a4, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 4), align 8
425  store double %a5, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 5), align 8
426  store double %a6, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 6), align 8
427  store double %a7, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 7), align 8
428  store double %a8, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 8), align 8
429  store double %a9, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 9), align 8
430  store double %a10, double* getelementptr ([11 x double], [11 x double]* @da, i32 0, i32 10), align 8
431  ret void
432}
433