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 5 6 7 ; Just to prevent the alloca from being optimized away 8 declare void @dummy_use(i32*, i32) 9 10 define void @test_basic() #0 { 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 57 define i32 @test_nested(i32 * nest %closure, i32 %other) #0 { 58 %addend = load i32 * %closure 59 %result = add i32 %other, %addend 60 %mem = alloca i32, i32 10 61 call void @dummy_use (i32* %mem, i32 10) 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 73 ; Thumb-android: mov r4, #56 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 93 ; Thumb-linux: mov r4, #56 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 } 105 106 define void @test_large() #0 { 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 } 154 155 define fastcc void @test_fastcc() #0 { 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 } 201 202 define fastcc void @test_fastcc_large() #0 { 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 } 250 251 define 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 } 260 261 attributes #0 = { "split-stack" } 262
