1; RUN: llc < %s -mtriple=arm-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-android 2; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=ARM-linux 3 4; We used to crash with filetype=obj 5; RUN: llc < %s -mtriple=arm-linux-androideabi -filetype=obj 6; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj 7 8 9; Just to prevent the alloca from being optimized away 10declare void @dummy_use(i32*, i32) 11 12define void @test_basic() #0 { 13 %mem = alloca i32, i32 10 14 call void @dummy_use (i32* %mem, i32 10) 15 ret void 16 17; ARM-linux: test_basic: 18 19; ARM-linux: push {r4, r5} 20; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 21; ARM-linux-NEXT: mov r5, sp 22; ARM-linux-NEXT: ldr r4, [r4, #4] 23; ARM-linux-NEXT: cmp r4, r5 24; ARM-linux-NEXT: blo .LBB0_2 25 26; ARM-linux: mov r4, #48 27; ARM-linux-NEXT: mov r5, #0 28; ARM-linux-NEXT: stmdb sp!, {lr} 29; ARM-linux-NEXT: bl __morestack 30; ARM-linux-NEXT: ldm sp!, {lr} 31; ARM-linux-NEXT: pop {r4, r5} 32; ARM-linux-NEXT: bx lr 33 34; ARM-linux: pop {r4, r5} 35 36; ARM-android: test_basic: 37 38; ARM-android: push {r4, r5} 39; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3 40; ARM-android-NEXT: mov r5, sp 41; ARM-android-NEXT: ldr r4, [r4, #252] 42; ARM-android-NEXT: cmp r4, r5 43; ARM-android-NEXT: blo .LBB0_2 44 45; ARM-android: mov r4, #48 46; ARM-android-NEXT: mov r5, #0 47; ARM-android-NEXT: stmdb sp!, {lr} 48; ARM-android-NEXT: bl __morestack 49; ARM-android-NEXT: ldm sp!, {lr} 50; ARM-android-NEXT: pop {r4, r5} 51; ARM-android-NEXT: bx lr 52 53; ARM-android: pop {r4, r5} 54 55} 56 57define i32 @test_nested(i32 * nest %closure, i32 %other) #0 { 58 %addend = load i32 , 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; ARM-linux: test_nested: 65 66; ARM-linux: push {r4, r5} 67; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 68; ARM-linux-NEXT: mov r5, sp 69; ARM-linux-NEXT: ldr r4, [r4, #4] 70; ARM-linux-NEXT: cmp r4, r5 71; ARM-linux-NEXT: blo .LBB1_2 72 73; ARM-linux: mov r4, #56 74; ARM-linux-NEXT: mov r5, #0 75; ARM-linux-NEXT: stmdb sp!, {lr} 76; ARM-linux-NEXT: bl __morestack 77; ARM-linux-NEXT: ldm sp!, {lr} 78; ARM-linux-NEXT: pop {r4, r5} 79; ARM-linux-NEXT: bx lr 80 81; ARM-linux: pop {r4, r5} 82 83; ARM-android: test_nested: 84 85; ARM-android: push {r4, r5} 86; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3 87; ARM-android-NEXT: mov r5, sp 88; ARM-android-NEXT: ldr r4, [r4, #252] 89; ARM-android-NEXT: cmp r4, r5 90; ARM-android-NEXT: blo .LBB1_2 91 92; ARM-android: mov r4, #56 93; ARM-android-NEXT: mov r5, #0 94; ARM-android-NEXT: stmdb sp!, {lr} 95; ARM-android-NEXT: bl __morestack 96; ARM-android-NEXT: ldm sp!, {lr} 97; ARM-android-NEXT: pop {r4, r5} 98; ARM-android-NEXT: bx lr 99 100; ARM-android: pop {r4, r5} 101 102} 103 104define void @test_large() #0 { 105 %mem = alloca i32, i32 10000 106 call void @dummy_use (i32* %mem, i32 0) 107 ret void 108 109; ARM-linux: test_large: 110 111; ARM-linux: push {r4, r5} 112; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 113; ARM-linux-NEXT: sub r5, sp, #40192 114; ARM-linux-NEXT: ldr r4, [r4, #4] 115; ARM-linux-NEXT: cmp r4, r5 116; ARM-linux-NEXT: blo .LBB2_2 117 118; ARM-linux: mov r4, #40192 119; ARM-linux-NEXT: mov r5, #0 120; ARM-linux-NEXT: stmdb sp!, {lr} 121; ARM-linux-NEXT: bl __morestack 122; ARM-linux-NEXT: ldm sp!, {lr} 123; ARM-linux-NEXT: pop {r4, r5} 124; ARM-linux-NEXT: bx lr 125 126; ARM-linux: pop {r4, r5} 127 128; ARM-android: test_large: 129 130; ARM-android: push {r4, r5} 131; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3 132; ARM-android-NEXT: sub r5, sp, #40192 133; ARM-android-NEXT: ldr r4, [r4, #252] 134; ARM-android-NEXT: cmp r4, r5 135; ARM-android-NEXT: blo .LBB2_2 136 137; ARM-android: mov r4, #40192 138; ARM-android-NEXT: mov r5, #0 139; ARM-android-NEXT: stmdb sp!, {lr} 140; ARM-android-NEXT: bl __morestack 141; ARM-android-NEXT: ldm sp!, {lr} 142; ARM-android-NEXT: pop {r4, r5} 143; ARM-android-NEXT: bx lr 144 145; ARM-android: pop {r4, r5} 146 147} 148 149define fastcc void @test_fastcc() #0 { 150 %mem = alloca i32, i32 10 151 call void @dummy_use (i32* %mem, i32 10) 152 ret void 153 154; ARM-linux: test_fastcc: 155 156; ARM-linux: push {r4, r5} 157; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 158; ARM-linux-NEXT: mov r5, sp 159; ARM-linux-NEXT: ldr r4, [r4, #4] 160; ARM-linux-NEXT: cmp r4, r5 161; ARM-linux-NEXT: blo .LBB3_2 162 163; ARM-linux: mov r4, #48 164; ARM-linux-NEXT: mov r5, #0 165; ARM-linux-NEXT: stmdb sp!, {lr} 166; ARM-linux-NEXT: bl __morestack 167; ARM-linux-NEXT: ldm sp!, {lr} 168; ARM-linux-NEXT: pop {r4, r5} 169; ARM-linux-NEXT: bx lr 170 171; ARM-linux: pop {r4, r5} 172 173; ARM-android: test_fastcc: 174 175; ARM-android: push {r4, r5} 176; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3 177; ARM-android-NEXT: mov r5, sp 178; ARM-android-NEXT: ldr r4, [r4, #252] 179; ARM-android-NEXT: cmp r4, r5 180; ARM-android-NEXT: blo .LBB3_2 181 182; ARM-android: mov r4, #48 183; ARM-android-NEXT: mov r5, #0 184; ARM-android-NEXT: stmdb sp!, {lr} 185; ARM-android-NEXT: bl __morestack 186; ARM-android-NEXT: ldm sp!, {lr} 187; ARM-android-NEXT: pop {r4, r5} 188; ARM-android-NEXT: bx lr 189 190; ARM-android: pop {r4, r5} 191 192} 193 194define fastcc void @test_fastcc_large() #0 { 195 %mem = alloca i32, i32 10000 196 call void @dummy_use (i32* %mem, i32 0) 197 ret void 198 199; ARM-linux: test_fastcc_large: 200 201; ARM-linux: push {r4, r5} 202; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 203; ARM-linux-NEXT: sub r5, sp, #40192 204; ARM-linux-NEXT: ldr r4, [r4, #4] 205; ARM-linux-NEXT: cmp r4, r5 206; ARM-linux-NEXT: blo .LBB4_2 207 208; ARM-linux: mov r4, #40192 209; ARM-linux-NEXT: mov r5, #0 210; ARM-linux-NEXT: stmdb sp!, {lr} 211; ARM-linux-NEXT: bl __morestack 212; ARM-linux-NEXT: ldm sp!, {lr} 213; ARM-linux-NEXT: pop {r4, r5} 214; ARM-linux-NEXT: bx lr 215 216; ARM-linux: pop {r4, r5} 217 218; ARM-android: test_fastcc_large: 219 220; ARM-android: push {r4, r5} 221; ARM-android-NEXT: mrc p15, #0, r4, c13, c0, #3 222; ARM-android-NEXT: sub r5, sp, #40192 223; ARM-android-NEXT: ldr r4, [r4, #252] 224; ARM-android-NEXT: cmp r4, r5 225; ARM-android-NEXT: blo .LBB4_2 226 227; ARM-android: mov r4, #40192 228; ARM-android-NEXT: mov r5, #0 229; ARM-android-NEXT: stmdb sp!, {lr} 230; ARM-android-NEXT: bl __morestack 231; ARM-android-NEXT: ldm sp!, {lr} 232; ARM-android-NEXT: pop {r4, r5} 233; ARM-android-NEXT: bx lr 234 235; ARM-android: pop {r4, r5} 236 237} 238 239define void @test_nostack() #0 { 240 ret void 241 242; ARM-linux-LABEL: test_nostack: 243; ARM-linux-NOT: bl __morestack 244 245; ARM-android-LABEL: test_nostack: 246; ARM-android-NOT: bl __morestack 247} 248 249attributes #0 = { "split-stack" } 250