1 ; RUN: llc < %s -mtriple=avr -mcpu=avr6 | FileCheck %s --check-prefixes=CHECK,AVR6
2 ; RUN: llc < %s -mtriple=avr -mcpu=avr2 | FileCheck %s --check-prefixes=CHECK,AVR2
4 ; TODO: test returning byval structs
7 declare i8 @foo8_2(i8, i8, i8)
8 declare i8 @foo8_3(i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8)
10 declare i16 @foo16_1(i16, i16)
11 declare i16 @foo16_2(i16, i16, i16, i16, i16, i16, i16, i16, i16, i16, i16)
13 declare i32 @foo32_1(i32, i32)
14 declare i32 @foo32_2(i32, i32, i32, i32, i32)
16 declare i64 @foo64_1(i64)
17 declare i64 @foo64_2(i64, i64, i64)
19 define i8 @calli8_reg() {
20 ; CHECK-LABEL: calli8_reg:
29 %result1 = call i8 @foo8_1(i8 12)
30 %result2 = call i8 @foo8_2(i8 12, i8 13, i8 14)
34 define i8 @calli8_stack() {
35 ; CHECK-LABEL: calli8_stack:
36 ; CHECK: ldi [[REG1:r[0-9]+]], 10
37 ; CHECK: ldi [[REG2:r[0-9]+]], 11
38 ; CHECK: std Z+2, [[REG2]]
39 ; CHECK: std Z+1, [[REG1]]
42 %result1 = call i8 @foo8_3(i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11)
46 define i16 @calli16_reg() {
47 ; CHECK-LABEL: calli16_reg:
54 %result1 = call i16 @foo16_1(i16 513, i16 514)
58 define i16 @calli16_stack() {
59 ; CHECK-LABEL: calli16_stack:
60 ; CHECK: ldi [[REG1:r[0-9]+]], 10
61 ; CHECK: ldi [[REG2:r[0-9]+]], 2
62 ; CHECK: std Z+4, [[REG2]]
63 ; CHECK: std Z+3, [[REG1]]
64 ; CHECK: ldi [[REG1:r[0-9]+]], 9
65 ; CHECK: ldi [[REG2:r[0-9]+]], 2
66 ; CHECK: std Z+2, [[REG2]]
67 ; CHECK: std Z+1, [[REG1]]
70 %result1 = call i16 @foo16_2(i16 512, i16 513, i16 514, i16 515, i16 516, i16 517, i16 518, i16 519, i16 520, i16 521, i16 522)
74 define i32 @calli32_reg() {
75 ; CHECK-LABEL: calli32_reg:
86 %result1 = call i32 @foo32_1(i32 34554432, i32 35554432)
90 define i32 @calli32_stack() {
91 ; CHECK-LABEL: calli32_stack:
92 ; CHECK: ldi [[REG1:r[0-9]+]], 15
93 ; CHECK: ldi [[REG2:r[0-9]+]], 2
94 ; CHECK: std Z+4, [[REG2]]
95 ; CHECK: std Z+3, [[REG1]]
96 ; CHECK: ldi [[REG1:r[0-9]+]], 64
97 ; CHECK: ldi [[REG2:r[0-9]+]], 66
98 ; CHECK: std Z+2, [[REG2]]
99 ; CHECK: std Z+1, [[REG1]]
101 ; AVR2: rcall foo32_2
102 %result1 = call i32 @foo32_2(i32 1, i32 2, i32 3, i32 4, i32 34554432)
106 define i64 @calli64_reg() {
107 ; CHECK-LABEL: calli64_reg:
108 ; CHECK: ldi r18, 255
109 ; CHECK: ldi r19, 255
110 ; CHECK: ldi r20, 155
115 ; CHECK: ldi r25, 242
117 ; AVR2: rcall foo64_1
118 %result1 = call i64 @foo64_1(i64 17446744073709551615)
122 define i64 @calli64_stack() {
123 ; CHECK-LABEL: calli64_stack:
125 ; CHECK: ldi [[REG1:r[0-9]+]], 31
126 ; CHECK: ldi [[REG2:r[0-9]+]], 242
127 ; CHECK: std Z+8, [[REG2]]
128 ; CHECK: std Z+7, [[REG1]]
129 ; CHECK: ldi [[REG1:r[0-9]+]], 76
130 ; CHECK: ldi [[REG2:r[0-9]+]], 73
131 ; CHECK: std Z+6, [[REG2]]
132 ; CHECK: std Z+5, [[REG1]]
133 ; CHECK: ldi [[REG1:r[0-9]+]], 155
134 ; CHECK: ldi [[REG2:r[0-9]+]], 88
135 ; CHECK: std Z+4, [[REG2]]
136 ; CHECK: std Z+3, [[REG1]]
137 ; CHECK: ldi [[REG1:r[0-9]+]], 255
138 ; CHECK: ldi [[REG2:r[0-9]+]], 255
139 ; CHECK: std Z+2, [[REG2]]
140 ; CHECK: std Z+1, [[REG1]]
142 ; AVR2: rcall foo64_2
143 %result1 = call i64 @foo64_2(i64 1, i64 2, i64 17446744073709551615)
147 ; Test passing arguments through the stack when the call frame is allocated
149 declare void @foo64_3(i64, i64, i64, i8, ptr)
151 define void @testcallprologue() {
152 ; CHECK-LABEL: testcallprologue:
155 ; CHECK: sbiw r28, 27
156 ; CHECK: ldi [[REG1:r[0-9]+]], 88
157 ; CHECK: std Y+9, [[REG1]]
158 ; CHECK: ldi [[REG1:r[0-9]+]], 11
159 ; CHECK: ldi [[REG2:r[0-9]+]], 10
160 ; CHECK: std Y+8, [[REG2]]
161 ; CHECK: std Y+7, [[REG1]]
162 ; CHECK: ldi [[REG1:r[0-9]+]], 13
163 ; CHECK: ldi [[REG2:r[0-9]+]], 12
164 ; CHECK: std Y+6, [[REG2]]
165 ; CHECK: std Y+5, [[REG1]]
166 ; CHECK: ldi [[REG1:r[0-9]+]], 15
167 ; CHECK: ldi [[REG2:r[0-9]+]], 14
168 ; CHECK: std Y+4, [[REG2]]
169 ; CHECK: std Y+3, [[REG1]]
170 ; CHECK: ldi [[REG1:r[0-9]+]], 8
171 ; CHECK: ldi [[REG2:r[0-9]+]], 9
172 ; CHECK: std Y+2, [[REG2]]
173 ; CHECK: std Y+1, [[REG1]]
176 %p = alloca [8 x i16]
177 %arraydecay = getelementptr inbounds [8 x i16], ptr %p, i16 0, i16 0
178 call void @foo64_3(i64 723685415333071112, i64 723685415333071112, i64 723685415333071112, i8 88, ptr %arraydecay)
182 define i32 @icall(ptr addrspace(1) %foo) {
183 ; CHECK-LABEL: icall:
184 ; AVR6: movw r30, r24
187 ; CHECK: ldi r22, 147
188 ; CHECK: ldi r23, 248
189 ; CHECK: ldi r24, 214
190 ; CHECK: ldi r25, 198
192 ; CHECK: subi r22, 251
193 ; CHECK: sbci r23, 255
194 ; CHECK: sbci r24, 255
195 ; CHECK: sbci r25, 255
196 %1 = call i32 %foo(i32 3335977107)
197 %2 = add nsw i32 %1, 5
201 ; Calling external functions (like __divsf3) require extra processing for
202 ; arguments and return values in the LowerCall function.
203 declare i32 @foofloat(float)
205 define i32 @externcall(float %a, float %b) {
206 ; CHECK-LABEL: externcall:
207 ; AVR6: movw [[REG0:(r[0-9]+|[XYZ])]], r24
208 ; AVR6: movw [[REG1:(r[0-9]+|[XYZ])]], r22
209 ; AVR6: movw r22, r18
210 ; AVR6: movw r24, r20
211 ; AVR6: movw r18, [[REG1]]
212 ; AVR6: movw r20, [[REG0]]
213 ; AVR6: call __divsf3
214 ; AVR6: call foofloat
215 ; AVR2: mov [[REG0:(r[0-9]+)]], r24
216 ; AVR2: mov [[REG1:(r[0-9]+)]], r25
217 ; AVR2: mov [[REG2:(r[0-9]+)]], r22
218 ; AVR2: mov [[REG3:(r[0-9]+)]], r23
223 ; AVR2: mov r18, [[REG2]]
224 ; AVR2: mov r19, [[REG3]]
225 ; AVR2: mov r20, [[REG0]]
226 ; AVR2: mov r21, [[REG1]]
227 ; AVR2: rcall __divsf3
228 ; AVR2: rcall foofloat
229 ; CHECK: subi r22, 251
230 ; CHECK: sbci r23, 255
231 ; CHECK: sbci r24, 255
232 ; CHECK: sbci r25, 255
233 %1 = fdiv float %b, %a
234 %2 = call i32 @foofloat(float %1)
235 %3 = add nsw i32 %2, 5