Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 1 | ; Test some of the calling convention lowering done by the MBlaze backend. |
| 2 | ; We test that integer values are passed in the correct registers and |
| 3 | ; returned in the correct registers. Additionally, we test that the stack |
| 4 | ; is used as appropriate for passing arguments that cannot be placed into |
| 5 | ; registers. |
| 6 | ; |
| 7 | ; RUN: llc < %s -march=mblaze | FileCheck %s |
| 8 | |
| 9 | declare i32 @printf(i8*, ...) |
| 10 | @MSG = internal constant [13 x i8] c"Message: %d\0A\00" |
| 11 | |
| 12 | define void @params0_noret() { |
| 13 | ; CHECK: params0_noret: |
| 14 | ret void |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 15 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 16 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 17 | ; CHECK: rtsd |
| 18 | } |
| 19 | |
| 20 | define i8 @params0_8bitret() { |
| 21 | ; CHECK: params0_8bitret: |
| 22 | ret i8 1 |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 23 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 24 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 25 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 26 | ; CHECK: {{.* r3, r0, 1}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | define i16 @params0_16bitret() { |
| 30 | ; CHECK: params0_16bitret: |
| 31 | ret i16 1 |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 32 | ; CHECK: rtsd |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 33 | ; CHECK: {{.* r3, r0, 1}} |
| 34 | ; CHECK-NOT: {{.* r4, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | define i32 @params0_32bitret() { |
| 38 | ; CHECK: params0_32bitret: |
| 39 | ret i32 1 |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 40 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 41 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 42 | ; CHECK: {{.* r3, r0, 1}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | define i64 @params0_64bitret() { |
| 46 | ; CHECK: params0_64bitret: |
| 47 | ret i64 1 |
| 48 | ; CHECK: {{.* r3, r0, .*}} |
Wesley Peck | 60e7127 | 2010-10-21 03:34:22 +0000 | [diff] [blame] | 49 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 50 | ; CHECK: {{.* r4, r0, 1}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | define i32 @params1_32bitret(i32 %a) { |
| 54 | ; CHECK: params1_32bitret: |
| 55 | ret i32 %a |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 56 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 57 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 58 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 59 | ; CHECK: {{.* r3, r5, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | define i32 @params2_32bitret(i32 %a, i32 %b) { |
| 63 | ; CHECK: params2_32bitret: |
| 64 | ret i32 %b |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 65 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 66 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 67 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 68 | ; CHECK: {{.* r3, r6, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | define i32 @params3_32bitret(i32 %a, i32 %b, i32 %c) { |
| 72 | ; CHECK: params3_32bitret: |
| 73 | ret i32 %c |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 74 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 75 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 76 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 77 | ; CHECK: {{.* r3, r7, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | define i32 @params4_32bitret(i32 %a, i32 %b, i32 %c, i32 %d) { |
| 81 | ; CHECK: params4_32bitret: |
| 82 | ret i32 %d |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 83 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 84 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 85 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 86 | ; CHECK: {{.* r3, r8, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | define i32 @params5_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) { |
| 90 | ; CHECK: params5_32bitret: |
| 91 | ret i32 %e |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 92 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 93 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 94 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 95 | ; CHECK: {{.* r3, r9, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | define i32 @params6_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f) { |
| 99 | ; CHECK: params6_32bitret: |
| 100 | ret i32 %f |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 101 | ; CHECK-NOT: {{.* r3, .*, .*}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 102 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 103 | ; CHECK: rtsd |
Wesley Peck | 4e9141f | 2010-10-21 03:57:26 +0000 | [diff] [blame] | 104 | ; CHECK: {{.* r3, r10, r0}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | define i32 @params7_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| 108 | i32 %g) { |
| 109 | ; CHECK: params7_32bitret: |
| 110 | ret i32 %g |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 111 | ; CHECK: {{lwi? r3, r1, 32}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 112 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 113 | ; CHECK: rtsd |
| 114 | } |
| 115 | |
| 116 | define i32 @params8_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| 117 | i32 %g, i32 %h) { |
| 118 | ; CHECK: params8_32bitret: |
| 119 | ret i32 %h |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 120 | ; CHECK: {{lwi? r3, r1, 36}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 121 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 122 | ; CHECK: rtsd |
| 123 | } |
| 124 | |
| 125 | define i32 @params9_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| 126 | i32 %g, i32 %h, i32 %i) { |
| 127 | ; CHECK: params9_32bitret: |
| 128 | ret i32 %i |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 129 | ; CHECK: {{lwi? r3, r1, 40}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 130 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 131 | ; CHECK: rtsd |
| 132 | } |
| 133 | |
| 134 | define i32 @params10_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| 135 | i32 %g, i32 %h, i32 %i, i32 %j) { |
| 136 | ; CHECK: params10_32bitret: |
| 137 | ret i32 %j |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 138 | ; CHECK: {{lwi? r3, r1, 44}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 139 | ; CHECK-NOT: {{.* r4, .*, .*}} |
| 140 | ; CHECK: rtsd |
| 141 | } |
| 142 | |
| 143 | define void @testing() { |
| 144 | %MSG.1 = getelementptr [13 x i8]* @MSG, i32 0, i32 0 |
| 145 | |
| 146 | call void @params0_noret() |
| 147 | ; CHECK: brlid |
| 148 | |
| 149 | %tmp.1 = call i8 @params0_8bitret() |
| 150 | ; CHECK: brlid |
| 151 | call i32 (i8*,...)* @printf(i8* %MSG.1, i8 %tmp.1) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 152 | |
| 153 | %tmp.2 = call i16 @params0_16bitret() |
| 154 | ; CHECK: brlid |
| 155 | call i32 (i8*,...)* @printf(i8* %MSG.1, i16 %tmp.2) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 156 | |
| 157 | %tmp.3 = call i32 @params0_32bitret() |
| 158 | ; CHECK: brlid |
| 159 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.3) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 160 | |
| 161 | %tmp.4 = call i64 @params0_64bitret() |
| 162 | ; CHECK: brlid |
| 163 | call i32 (i8*,...)* @printf(i8* %MSG.1, i64 %tmp.4) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 164 | |
| 165 | %tmp.5 = call i32 @params1_32bitret(i32 1) |
| 166 | ; CHECK: {{.* r5, .*, .*}} |
| 167 | ; CHECK: brlid |
| 168 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.5) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 169 | |
| 170 | %tmp.6 = call i32 @params2_32bitret(i32 1, i32 2) |
| 171 | ; CHECK: {{.* r5, .*, .*}} |
| 172 | ; CHECK: {{.* r6, .*, .*}} |
| 173 | ; CHECK: brlid |
| 174 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.6) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 175 | |
| 176 | %tmp.7 = call i32 @params3_32bitret(i32 1, i32 2, i32 3) |
| 177 | ; CHECK: {{.* r5, .*, .*}} |
| 178 | ; CHECK: {{.* r6, .*, .*}} |
| 179 | ; CHECK: {{.* r7, .*, .*}} |
| 180 | ; CHECK: brlid |
| 181 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.7) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 182 | |
| 183 | %tmp.8 = call i32 @params4_32bitret(i32 1, i32 2, i32 3, i32 4) |
| 184 | ; CHECK: {{.* r5, .*, .*}} |
| 185 | ; CHECK: {{.* r6, .*, .*}} |
| 186 | ; CHECK: {{.* r7, .*, .*}} |
| 187 | ; CHECK: {{.* r8, .*, .*}} |
| 188 | ; CHECK: brlid |
| 189 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.8) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 190 | |
| 191 | %tmp.9 = call i32 @params5_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5) |
| 192 | ; CHECK: {{.* r5, .*, .*}} |
| 193 | ; CHECK: {{.* r6, .*, .*}} |
| 194 | ; CHECK: {{.* r7, .*, .*}} |
| 195 | ; CHECK: {{.* r8, .*, .*}} |
| 196 | ; CHECK: {{.* r9, .*, .*}} |
| 197 | ; CHECK: brlid |
| 198 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.9) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 199 | |
| 200 | %tmp.10 = call i32 @params6_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| 201 | i32 6) |
| 202 | ; CHECK: {{.* r5, .*, .*}} |
| 203 | ; CHECK: {{.* r6, .*, .*}} |
| 204 | ; CHECK: {{.* r7, .*, .*}} |
| 205 | ; CHECK: {{.* r8, .*, .*}} |
| 206 | ; CHECK: {{.* r9, .*, .*}} |
| 207 | ; CHECK: {{.* r10, .*, .*}} |
| 208 | ; CHECK: brlid |
| 209 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.10) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 210 | |
| 211 | %tmp.11 = call i32 @params7_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| 212 | i32 6, i32 7) |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 213 | ; CHECK: {{swi? .*, r1, 28}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 214 | ; CHECK: {{.* r5, .*, .*}} |
| 215 | ; CHECK: {{.* r6, .*, .*}} |
| 216 | ; CHECK: {{.* r7, .*, .*}} |
| 217 | ; CHECK: {{.* r8, .*, .*}} |
| 218 | ; CHECK: {{.* r9, .*, .*}} |
| 219 | ; CHECK: {{.* r10, .*, .*}} |
| 220 | ; CHECK: brlid |
| 221 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.11) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 222 | |
| 223 | %tmp.12 = call i32 @params8_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| 224 | i32 6, i32 7, i32 8) |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 225 | ; CHECK: {{swi? .*, r1, 32}} |
Dan Gohman | 8c2d270 | 2011-10-24 17:45:02 +0000 | [diff] [blame] | 226 | ; CHECK: {{swi? .*, r1, 28}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 227 | ; CHECK: {{.* r5, .*, .*}} |
| 228 | ; CHECK: {{.* r6, .*, .*}} |
| 229 | ; CHECK: {{.* r7, .*, .*}} |
| 230 | ; CHECK: {{.* r8, .*, .*}} |
| 231 | ; CHECK: {{.* r9, .*, .*}} |
| 232 | ; CHECK: {{.* r10, .*, .*}} |
| 233 | ; CHECK: brlid |
| 234 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.12) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 235 | |
| 236 | %tmp.13 = call i32 @params9_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| 237 | i32 6, i32 7, i32 8, i32 9) |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 238 | ; CHECK: {{swi? .*, r1, 36}} |
Dan Gohman | 8c2d270 | 2011-10-24 17:45:02 +0000 | [diff] [blame] | 239 | ; CHECK: {{swi? .*, r1, 32}} |
| 240 | ; CHECK: {{swi? .*, r1, 28}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 241 | ; CHECK: {{.* r5, .*, .*}} |
| 242 | ; CHECK: {{.* r6, .*, .*}} |
| 243 | ; CHECK: {{.* r7, .*, .*}} |
| 244 | ; CHECK: {{.* r8, .*, .*}} |
| 245 | ; CHECK: {{.* r9, .*, .*}} |
| 246 | ; CHECK: {{.* r10, .*, .*}} |
| 247 | ; CHECK: brlid |
| 248 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.13) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 249 | |
| 250 | %tmp.14 = call i32 @params10_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| 251 | i32 6, i32 7, i32 8, i32 9, i32 10) |
Wesley Peck | c2bf2bb | 2010-03-06 23:23:12 +0000 | [diff] [blame] | 252 | ; CHECK: {{swi? .*, r1, 40}} |
Dan Gohman | 8c2d270 | 2011-10-24 17:45:02 +0000 | [diff] [blame] | 253 | ; CHECK: {{swi? .*, r1, 36}} |
| 254 | ; CHECK: {{swi? .*, r1, 32}} |
| 255 | ; CHECK: {{swi? .*, r1, 28}} |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 256 | ; CHECK: {{.* r5, .*, .*}} |
| 257 | ; CHECK: {{.* r6, .*, .*}} |
| 258 | ; CHECK: {{.* r7, .*, .*}} |
| 259 | ; CHECK: {{.* r8, .*, .*}} |
| 260 | ; CHECK: {{.* r9, .*, .*}} |
| 261 | ; CHECK: {{.* r10, .*, .*}} |
| 262 | ; CHECK: brlid |
| 263 | call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.14) |
Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame] | 264 | |
| 265 | ret void |
| 266 | } |