llvm-project/llvm/test/CodeGen/ARM/debug-frame-large-stack.ll

; RUN: llc -filetype=asm -o - < %s -mtriple arm-arm-none-eabi -disable-fp-elim| FileCheck %s --check-prefix=CHECK-ARM
; RUN: llc -filetype=asm -o - < %s -mtriple arm-arm-none-eabi | FileCheck %s --check-prefix=CHECK-ARM-FP-ELIM

define void @test1() {
    %tmp = alloca [ 64 x i32 ] , align 4
    ret void
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8, !9}
!llvm.ident = !{!10}

!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/large.c] [DW_LANG_C99]
!1 = metadata !{metadata !"large.c", metadata !"/tmp"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"test1", metadata !"test1", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @test1, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [test1]
!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/large.c]
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = metadata !{null}
!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!10 = metadata !{metadata !"clang version 3.5 "}
!11 = metadata !{i32 2, i32 0, metadata !4, null}

; CHECK-ARM-LABEL: test1:
; CHECK-ARM: .cfi_startproc
; CHECK-ARM: sub    sp, sp, #256
; CHECK-ARM: .cfi_endproc

; CHECK-ARM-FP-ELIM-LABEL: test1:
; CHECK-ARM-FP-ELIM: .cfi_startproc
; CHECK-ARM-FP-ELIM: sub    sp, sp, #256
; CHECK-ARM-FP-ELIM: .cfi_endproc

define void @test2() {
    %tmp = alloca [ 4168 x i8 ] , align 4
    ret void
}

; CHECK-ARM-LABEL: test2:
; CHECK-ARM: .cfi_startproc
; CHECK-ARM: push    {r4, r5}
; CHECK-ARM: .cfi_def_cfa_offset 8
; CHECK-ARM: .cfi_offset 5, -4
; CHECK-ARM: .cfi_offset 4, -8
; CHECK-ARM: sub    sp, sp, #72
; CHECK-ARM: sub    sp, sp, #4096
; CHECK-ARM: .cfi_def_cfa_offset 4176
; CHECK-ARM: .cfi_endproc

; CHECK-ARM-FP_ELIM-LABEL: test2:
; CHECK-ARM-FP_ELIM: .cfi_startproc
; CHECK-ARM-FP_ELIM: push    {r4, r5}
; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 8
; CHECK-ARM-FP_ELIM: .cfi_offset 54, -4
; CHECK-ARM-FP_ELIM: .cfi_offset 4, -8
; CHECK-ARM-FP_ELIM: sub    sp, sp, #72
; CHECK-ARM-FP_ELIM: sub    sp, sp, #4096
; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 4176
; CHECK-ARM-FP_ELIM: .cfi_endproc

define i32 @test3() {
	%retval = alloca i32, align 4
	%tmp = alloca i32, align 4
	%a = alloca [805306369 x i8], align 16
	store i32 0, i32* %tmp
	%tmp1 = load i32* %tmp
        ret i32 %tmp1
}

; CHECK-ARM-LABEL: test3:
; CHECK-ARM: .cfi_startproc
; CHECK-ARM: push    {r4, r5, r11}
; CHECK-ARM: .cfi_def_cfa_offset 12
; CHECK-ARM: .cfi_offset 11, -4
; CHECK-ARM: .cfi_offset 5, -8
; CHECK-ARM: .cfi_offset 4, -12
; CHECK-ARM: add    r11, sp, #8
; CHECK-ARM: .cfi_def_cfa 11, 4
; CHECK-ARM: sub    sp, sp, #20
; CHECK-ARM: sub    sp, sp, #805306368
; CHECK-ARM: bic    sp, sp, #15
; CHECK-ARM: .cfi_endproc

; CHECK-ARM-FP-ELIM-LABEL: test3:
; CHECK-ARM-FP-ELIM: .cfi_startproc
; CHECK-ARM-FP-ELIM: push    {r4, r5, r11}
; CHECK-ARM-FP-ELIM: .cfi_def_cfa_offset 12
; CHECK-ARM-FP-ELIM: .cfi_offset 11, -4
; CHECK-ARM-FP-ELIM: .cfi_offset 5, -8
; CHECK-ARM-FP-ELIM: .cfi_offset 4, -12
; CHECK-ARM-FP-ELIM: add    r11, sp, #8
; CHECK-ARM-FP-ELIM: .cfi_def_cfa 11, 4
; CHECK-ARM-FP-ELIM: sub    sp, sp, #20
; CHECK-ARM-FP-ELIM: sub    sp, sp, #805306368
; CHECK-ARM-FP-ELIM: bic    sp, sp, #15
; CHECK-ARM-FP-ELIM: .cfi_endproc