1 ; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -mattr=+v4t -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux
2 ; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -mattr=+v4t -filetype=obj
5 !llvm.module.flags = !{!9, !10}
8 define void @test_basic() #0 !dbg !4 {
9 %mem = alloca i32, i32 10
10 call void @dummy_use (ptr %mem, i32 10)
13 ; ARM-linux: test_basic:
15 ; ARM-linux: push {r4, r5}
16 ; ARM-linux: .cfi_def_cfa_offset 8
17 ; ARM-linux: .cfi_offset r5, -4
18 ; ARM-linux: .cfi_offset r4, -8
19 ; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3
20 ; ARM-linux-NEXT: mov r5, sp
21 ; ARM-linux-NEXT: ldr r4, [r4, #4]
22 ; ARM-linux-NEXT: cmp r4, r5
23 ; ARM-linux-NEXT: bls .LBB0_2
25 ; ARM-linux: mov r4, #48
26 ; ARM-linux-NEXT: mov r5, #0
27 ; ARM-linux-NEXT: stmdb sp!, {lr}
28 ; ARM-linux: .cfi_def_cfa_offset 12
29 ; ARM-linux: .cfi_offset lr, -12
30 ; ARM-linux-NEXT: bl __morestack
31 ; ARM-linux-NEXT: ldm sp!, {lr}
32 ; ARM-linux-NEXT: pop {r4, r5}
33 ; ARM-linux: .cfi_def_cfa_offset 0
34 ; ARM-linux-NEXT: bx lr
36 ; ARM-linux: pop {r4, r5}
37 ; ARM-linux: .cfi_def_cfa_offset 0
38 ; ARM-linux: .cfi_same_value r4
39 ; ARM-linux: .cfi_same_value r5
42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
43 !1 = !DIFile(filename: "var.c", directory: "/tmp")
45 !4 = distinct !DISubprogram(name: "test_basic", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, retainedNodes: !2)
46 !5 = !DIFile(filename: "var.c", directory: "/tmp")
47 !6 = !DISubroutineType(types: !7)
49 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
50 !9 = !{i32 2, !"Dwarf Version", i32 4}
51 !10 = !{i32 1, !"Debug Info Version", i32 3}
52 !11 = !{!"clang version 3.5 "}
53 !12 = !DILocalVariable(name: "count", line: 5, arg: 1, scope: !4, file: !5, type: !8)
54 !13 = !DILocation(line: 5, scope: !4)
55 !14 = !DILocalVariable(name: "vl", line: 6, scope: !4, file: !5, type: !15)
56 !15 = !DIDerivedType(tag: DW_TAG_typedef, name: "va_list", line: 30, file: !16, baseType: !17)
57 !16 = !DIFile(filename: "/linux-x86_64-high/gcc_4.7.2/dbg/llvm/bin/../lib/clang/3.5/include/stdarg.h", directory: "/tmp")
58 !17 = !DIDerivedType(tag: DW_TAG_typedef, name: "__builtin_va_list", line: 6, file: !1, baseType: !18)
59 !18 = !DICompositeType(tag: DW_TAG_structure_type, name: "__va_list", line: 6, size: 32, align: 32, file: !1, elements: !19)
61 !20 = !DIDerivedType(tag: DW_TAG_member, name: "__ap", line: 6, size: 32, align: 32, file: !1, scope: !18, baseType: !21)
62 !21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: null)
63 !22 = !DILocation(line: 6, scope: !4)
64 !23 = !DILocation(line: 7, scope: !4)
65 !24 = !DILocalVariable(name: "test_basic", line: 8, scope: !4, file: !5, type: !8)
66 !25 = !DILocation(line: 8, scope: !4)
67 !26 = !DILocalVariable(name: "i", line: 9, scope: !27, file: !5, type: !8)
68 !27 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !4)
69 !28 = !DILocation(line: 9, scope: !27)
70 !29 = !DILocation(line: 10, scope: !30)
71 !30 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !27)
72 !31 = !DILocation(line: 11, scope: !30)
73 !32 = !DILocation(line: 12, scope: !4)
74 !33 = !DILocation(line: 13, scope: !4)
76 ; Just to prevent the alloca from being optimized away
77 declare void @dummy_use(ptr, i32)
79 attributes #0 = { "split-stack" }