; RUN: llc < %s -mtriple=thumb-linux-androideabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-android ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -verify-machineinstrs | FileCheck %s -check-prefix=Thumb-linux ; RUN: llc < %s -mtriple=thumb-linux-androideabi -filetype=obj ; RUN: llc < %s -mtriple=thumb-linux-unknown-gnueabi -filetype=obj ; Just to prevent the alloca from being optimized away declare void @dummy_use(i32*, i32) define void @test_basic() #0 { %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret void ; Thumb-android-LABEL: test_basic: ; Thumb-android: push {r4, r5} ; Thumb-android-NEXT: mov r5, sp ; Thumb-android-NEXT: ldr r4, .LCPI0_0 ; Thumb-android-NEXT: ldr r4, [r4] ; Thumb-android-NEXT: cmp r4, r5 ; Thumb-android-NEXT: blo .LBB0_2 ; Thumb-android: mov r4, #48 ; Thumb-android-NEXT: mov r5, #0 ; Thumb-android-NEXT: push {lr} ; Thumb-android-NEXT: bl __morestack ; Thumb-android-NEXT: pop {r4} ; Thumb-android-NEXT: mov lr, r4 ; Thumb-android-NEXT: pop {r4, r5} ; Thumb-android-NEXT: bx lr ; Thumb-android: pop {r4, r5} ; Thumb-android: .p2align 2 ; Thumb-android: .LCPI0_0: ; Thumb-android-NEXT: .long __STACK_LIMIT ; Thumb-linux-LABEL: test_basic: ; Thumb-linux: push {r4, r5} ; Thumb-linux-NEXT: mov r5, sp ; Thumb-linux-NEXT: ldr r4, .LCPI0_0 ; Thumb-linux-NEXT: ldr r4, [r4] ; Thumb-linux-NEXT: cmp r4, r5 ; Thumb-linux-NEXT: blo .LBB0_2 ; Thumb-linux: mov r4, #48 ; Thumb-linux-NEXT: mov r5, #0 ; Thumb-linux-NEXT: push {lr} ; Thumb-linux-NEXT: bl __morestack ; Thumb-linux-NEXT: pop {r4} ; Thumb-linux-NEXT: mov lr, r4 ; Thumb-linux-NEXT: pop {r4, r5} ; Thumb-linux-NEXT: bx lr ; Thumb-linux: pop {r4, r5} } define i32 @test_nested(i32 * nest %closure, i32 %other) #0 { %addend = load i32 , i32 * %closure %result = add i32 %other, %addend %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret i32 %result ; Thumb-android-LABEL: test_nested: ; Thumb-android: push {r4, r5} ; Thumb-android-NEXT: mov r5, sp ; Thumb-android-NEXT: ldr r4, .LCPI1_0 ; Thumb-android-NEXT: ldr r4, [r4] ; Thumb-android-NEXT: cmp r4, r5 ; Thumb-android-NEXT: blo .LBB1_2 ; Thumb-android: mov r4, #56 ; Thumb-android-NEXT: mov r5, #0 ; Thumb-android-NEXT: push {lr} ; Thumb-android-NEXT: bl __morestack ; Thumb-android-NEXT: pop {r4} ; Thumb-android-NEXT: mov lr, r4 ; Thumb-android-NEXT: pop {r4, r5} ; Thumb-android-NEXT: bx lr ; Thumb-android: pop {r4, r5} ; Thumb-linux-LABEL: test_nested: ; Thumb-linux: push {r4, r5} ; Thumb-linux-NEXT: mov r5, sp ; Thumb-linux-NEXT: ldr r4, .LCPI1_0 ; Thumb-linux-NEXT: ldr r4, [r4] ; Thumb-linux-NEXT: cmp r4, r5 ; Thumb-linux-NEXT: blo .LBB1_2 ; Thumb-linux: mov r4, #56 ; Thumb-linux-NEXT: mov r5, #0 ; Thumb-linux-NEXT: push {lr} ; Thumb-linux-NEXT: bl __morestack ; Thumb-linux-NEXT: pop {r4} ; Thumb-linux-NEXT: mov lr, r4 ; Thumb-linux-NEXT: pop {r4, r5} ; Thumb-linux-NEXT: bx lr ; Thumb-linux: pop {r4, r5} } define void @test_large() #0 { %mem = alloca i32, i32 10000 call void @dummy_use (i32* %mem, i32 0) ret void ; Thumb-android-LABEL: test_large: ; Thumb-android: push {r4, r5} ; Thumb-android-NEXT: mov r5, sp ; Thumb-android-NEXT: ldr r4, .LCPI2_2 ; Thumb-android-NEXT: sub r5, r5, r4 ; Thumb-android-NEXT: ldr r4, .LCPI2_3 ; Thumb-android-NEXT: ldr r4, [r4] ; Thumb-android-NEXT: cmp r4, r5 ; Thumb-android-NEXT: blo .LBB2_2 ; Thumb-android: ldr r4, .LCPI2_2 ; Thumb-android-NEXT: mov r5, #0 ; Thumb-android-NEXT: push {lr} ; Thumb-android-NEXT: bl __morestack ; Thumb-android-NEXT: pop {r4} ; Thumb-android-NEXT: mov lr, r4 ; Thumb-android-NEXT: pop {r4, r5} ; Thumb-android-NEXT: bx lr ; Thumb-android: pop {r4, r5} ; Thumb-android: .LCPI2_2: ; Thumb-android-NEXT: .long 40192 ; Thumb-linux-LABEL: test_large: ; Thumb-linux: push {r4, r5} ; Thumb-linux-NEXT: mov r5, sp ; Thumb-linux-NEXT: ldr r4, .LCPI2_2 ; Thumb-linux-NEXT: sub r5, r5, r4 ; Thumb-linux-NEXT: ldr r4, .LCPI2_3 ; Thumb-linux-NEXT: ldr r4, [r4] ; Thumb-linux-NEXT: cmp r4, r5 ; Thumb-linux-NEXT: blo .LBB2_2 ; Thumb-linux: ldr r4, .LCPI2_2 ; Thumb-linux-NEXT: mov r5, #0 ; Thumb-linux-NEXT: push {lr} ; Thumb-linux-NEXT: bl __morestack ; Thumb-linux-NEXT: pop {r4} ; Thumb-linux-NEXT: mov lr, r4 ; Thumb-linux-NEXT: pop {r4, r5} ; Thumb-linux-NEXT: bx lr ; Thumb-linux: pop {r4, r5} } define fastcc void @test_fastcc() #0 { %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret void ; Thumb-android-LABEL: test_fastcc: ; Thumb-android: push {r4, r5} ; Thumb-android-NEXT: mov r5, sp ; Thumb-android-NEXT: ldr r4, .LCPI3_0 ; Thumb-android-NEXT: ldr r4, [r4] ; Thumb-android-NEXT: cmp r4, r5 ; Thumb-android-NEXT: blo .LBB3_2 ; Thumb-android: mov r4, #48 ; Thumb-android-NEXT: mov r5, #0 ; Thumb-android-NEXT: push {lr} ; Thumb-android-NEXT: bl __morestack ; Thumb-android-NEXT: pop {r4} ; Thumb-android-NEXT: mov lr, r4 ; Thumb-android-NEXT: pop {r4, r5} ; Thumb-android-NEXT: bx lr ; Thumb-android: pop {r4, r5} ; Thumb-linux-LABEL: test_fastcc: ; Thumb-linux: push {r4, r5} ; Thumb-linux-NEXT: mov r5, sp ; Thumb-linux-NEXT: ldr r4, .LCPI3_0 ; Thumb-linux-NEXT: ldr r4, [r4] ; Thumb-linux-NEXT: cmp r4, r5 ; Thumb-linux-NEXT: blo .LBB3_2 ; Thumb-linux: mov r4, #48 ; Thumb-linux-NEXT: mov r5, #0 ; Thumb-linux-NEXT: push {lr} ; Thumb-linux-NEXT: bl __morestack ; Thumb-linux-NEXT: pop {r4} ; Thumb-linux-NEXT: mov lr, r4 ; Thumb-linux-NEXT: pop {r4, r5} ; Thumb-linux-NEXT: bx lr ; Thumb-linux: pop {r4, r5} } define fastcc void @test_fastcc_large() #0 { %mem = alloca i32, i32 10000 call void @dummy_use (i32* %mem, i32 0) ret void ; Thumb-android-LABEL: test_fastcc_large: ; Thumb-android: push {r4, r5} ; Thumb-android-NEXT: mov r5, sp ; Thumb-android-NEXT: ldr r4, .LCPI4_2 ; Thumb-android-NEXT: sub r5, r5, r4 ; Thumb-android-NEXT: ldr r4, .LCPI4_3 ; Thumb-android-NEXT: ldr r4, [r4] ; Thumb-android-NEXT: cmp r4, r5 ; Thumb-android-NEXT: blo .LBB4_2 ; Thumb-android: ldr r4, .LCPI4_2 ; Thumb-android-NEXT: mov r5, #0 ; Thumb-android-NEXT: push {lr} ; Thumb-android-NEXT: bl __morestack ; Thumb-android-NEXT: pop {r4} ; Thumb-android-NEXT: mov lr, r4 ; Thumb-android-NEXT: pop {r4, r5} ; Thumb-android-NEXT: bx lr ; Thumb-android: pop {r4, r5} ; Thumb-android: .LCPI4_2: ; Thumb-android-NEXT: .long 40192 ; Thumb-linux-LABEL: test_fastcc_large: ; Thumb-linux: push {r4, r5} ; Thumb-linux-NEXT: mov r5, sp ; Thumb-linux-NEXT: ldr r4, .LCPI4_2 ; Thumb-linux-NEXT: sub r5, r5, r4 ; Thumb-linux-NEXT: ldr r4, .LCPI4_3 ; Thumb-linux-NEXT: ldr r4, [r4] ; Thumb-linux-NEXT: cmp r4, r5 ; Thumb-linux-NEXT: blo .LBB4_2 ; Thumb-linux: ldr r4, .LCPI4_2 ; Thumb-linux-NEXT: mov r5, #0 ; Thumb-linux-NEXT: push {lr} ; Thumb-linux-NEXT: bl __morestack ; Thumb-linux-NEXT: pop {r4} ; Thumb-linux-NEXT: mov lr, r4 ; Thumb-linux-NEXT: pop {r4, r5} ; Thumb-linux-NEXT: bx lr ; Thumb-linux: pop {r4, r5} ; Thumb-linux: .LCPI4_2: ; Thumb-linux-NEXT: .long 40192 } define void @test_nostack() #0 { ret void ; Thumb-android-LABEL: test_nostack: ; Thumb-android-NOT: bl __morestack ; Thumb-linux-LABEL: test_nostack: ; Thumb-linux-NOT: bl __morestack } declare void @panic() unnamed_addr ; We used to crash while compiling the following function. ; Thumb-linux-LABEL: build_should_not_segfault: ; Thumb-android-LABEL: build_should_not_segfault: define void @build_should_not_segfault(i8 %x) unnamed_addr #0 { start: %_0 = icmp ult i8 %x, 16 %or.cond = select i1 undef, i1 true, i1 %_0 br i1 %or.cond, label %bb1, label %bb2 bb1: ret void bb2: call void @panic() unreachable } attributes #0 = { "split-stack" }