1; RUN: llc < %s -O0 -mtriple x86_64-apple-darwin 2; <rdar://problem/11134152> 3 4define i32 @foo(i32* %x) nounwind uwtable ssp { 5entry: 6 %x.addr = alloca i32*, align 8 7 %saved_stack = alloca i8* 8 %cleanup.dest.slot = alloca i32 9 store i32* %x, i32** %x.addr, align 8 10 call void @llvm.dbg.declare(metadata i32** %x.addr, metadata !14, metadata !{!"0x102"}), !dbg !15 11 %0 = load i32** %x.addr, align 8, !dbg !16 12 %1 = load i32* %0, align 4, !dbg !16 13 %2 = zext i32 %1 to i64, !dbg !16 14 %3 = call i8* @llvm.stacksave(), !dbg !16 15 store i8* %3, i8** %saved_stack, !dbg !16 16 %vla = alloca i8, i64 %2, align 16, !dbg !16 17 call void @llvm.dbg.declare(metadata i8* %vla, metadata !18, metadata !{!"0x102"}), !dbg !23 18 store i32 1, i32* %cleanup.dest.slot 19 %4 = load i8** %saved_stack, !dbg !24 20 call void @llvm.stackrestore(i8* %4), !dbg !24 21 ret i32 0, !dbg !25 22} 23 24declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 25 26declare i8* @llvm.stacksave() nounwind 27 28declare void @llvm.stackrestore(i8*) nounwind 29 30!llvm.dbg.cu = !{!0} 31!llvm.module.flags = !{!27} 32 33!0 = !{!"0x11\0012\00clang version 3.1 (trunk 153698)\000\00\000\00\000", !26, !1, !1, !3, !1, null} ; [ DW_TAG_compile_unit ] 34!1 = !{} 35!3 = !{!5} 36!5 = !{!"0x2e\00foo\00foo\00\006\000\001\000\006\00256\000\000", !26, !0, !7, null, i32 (i32*)* @foo, null, null, null} ; [ DW_TAG_subprogram ] 37!6 = !{!"0x29", !26} ; [ DW_TAG_file_type ] 38!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 39!8 = !{!9, !10} 40!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] 41!10 = !{!"0xf\00\000\0064\0064\000\000", null, null, !11} ; [ DW_TAG_pointer_type ] 42!11 = !{!"0x26\00\000\000\000\000\000", null, null, !9} ; [ DW_TAG_const_type ] 43!14 = !{!"0x101\00x\0016777221\000", !5, !6, !10} ; [ DW_TAG_arg_variable ] 44!15 = !MDLocation(line: 5, column: 21, scope: !5) 45!16 = !MDLocation(line: 7, column: 13, scope: !17) 46!17 = !{!"0xb\006\001\000", !26, !5} ; [ DW_TAG_lexical_block ] 47!18 = !{!"0x100\00a\007\000", !17, !6, !19} ; [ DW_TAG_auto_variable ] 48!19 = !{!"0x1\00\000\000\008\000\000", null, null, !20, !21, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 0, align 8, offset 0] [from char] 49!20 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ] 50!21 = !{!22} 51!22 = !{!"0x21\000\00-1"} ; [ DW_TAG_subrange_type ] 52!23 = !MDLocation(line: 7, column: 8, scope: !17) 53!24 = !MDLocation(line: 9, column: 1, scope: !17) 54!25 = !MDLocation(line: 8, column: 3, scope: !17) 55!26 = !{!"20020104-2.c", !"/Volumes/Sandbox/llvm"} 56!27 = !{i32 1, !"Debug Info Version", i32 2} 57