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1; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux2; RUN: llc < %s -mtriple=thumb-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android3; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -filetype=obj4; RUN: llc < %s -mtriple=thumb-linux-androideabi -filetype=obj5 6; Just to prevent the alloca from being optimized away7declare void @dummy_use(ptr, i32)8 9define i32 @test_basic(i32 %l) #0 {10 %mem = alloca i32, i32 %l11 call void @dummy_use (ptr %mem, i32 %l)12 %terminate = icmp eq i32 %l, 013 br i1 %terminate, label %true, label %false14 15true:16 ret i32 017 18false:19 %newlen = sub i32 %l, 120 %retvalue = call i32 @test_basic(i32 %newlen)21 ret i32 %retvalue22 23; Thumb-linux: test_basic:24 25; Thumb-linux: push {r4, r5}26; Thumb-linux: mov r5, sp27; Thumb-linux-NEXT: ldr r4, .LCPI0_028; Thumb-linux-NEXT: ldr r4, [r4]29; Thumb-linux-NEXT: cmp r4, r530; Thumb-linux-NEXT: bls .LBB0_231 32; Thumb-linux: mov r4, #1633; Thumb-linux-NEXT: mov r5, #034; Thumb-linux-NEXT: push {lr}35; Thumb-linux-NEXT: bl __morestack36; Thumb-linux-NEXT: pop {r4}37; Thumb-linux-NEXT: mov lr, r438; Thumb-linux-NEXT: pop {r4, r5}39; Thumb-linux-NEXT: bx lr40 41; Thumb-linux: pop {r4, r5}42 43; Thumb-android: test_basic:44 45; Thumb-android: push {r4, r5}46; Thumb-android: mov r5, sp47; Thumb-android-NEXT: ldr r4, .LCPI0_048; Thumb-android-NEXT: ldr r4, [r4]49; Thumb-android-NEXT: cmp r4, r550; Thumb-android-NEXT: bls .LBB0_251 52; Thumb-android: mov r4, #1653; Thumb-android-NEXT: mov r5, #054; Thumb-android-NEXT: push {lr}55; Thumb-android-NEXT: bl __morestack56; Thumb-android-NEXT: pop {r4}57; Thumb-android-NEXT: mov lr, r458; Thumb-android-NEXT: pop {r4, r5}59; Thumb-android-NEXT: bx lr60 61; Thumb-android: pop {r4, r5}62 63}64 65attributes #0 = { "split-stack" }66