; RUN: llc < %s -O0 -mtriple x86_64-apple-darwin ; define i32 @foo(i32* %x) nounwind uwtable ssp { entry: %x.addr = alloca i32*, align 8 %saved_stack = alloca i8* %cleanup.dest.slot = alloca i32 store i32* %x, i32** %x.addr, align 8 call void @llvm.dbg.declare(metadata i32** %x.addr, metadata !14, metadata !{!"0x102"}), !dbg !15 %0 = load i32** %x.addr, align 8, !dbg !16 %1 = load i32* %0, align 4, !dbg !16 %2 = zext i32 %1 to i64, !dbg !16 %3 = call i8* @llvm.stacksave(), !dbg !16 store i8* %3, i8** %saved_stack, !dbg !16 %vla = alloca i8, i64 %2, align 16, !dbg !16 call void @llvm.dbg.declare(metadata i8* %vla, metadata !18, metadata !{!"0x102"}), !dbg !23 store i32 1, i32* %cleanup.dest.slot %4 = load i8** %saved_stack, !dbg !24 call void @llvm.stackrestore(i8* %4), !dbg !24 ret i32 0, !dbg !25 } declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone declare i8* @llvm.stacksave() nounwind declare void @llvm.stackrestore(i8*) nounwind !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!27} !0 = !{!"0x11\0012\00clang version 3.1 (trunk 153698)\000\00\000\00\000", !26, !1, !1, !3, !1, null} ; [ DW_TAG_compile_unit ] !1 = !{} !3 = !{!5} !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 ] !6 = !{!"0x29", !26} ; [ DW_TAG_file_type ] !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 ] !8 = !{!9, !10} !9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] !10 = !{!"0xf\00\000\0064\0064\000\000", null, null, !11} ; [ DW_TAG_pointer_type ] !11 = !{!"0x26\00\000\000\000\000\000", null, null, !9} ; [ DW_TAG_const_type ] !14 = !{!"0x101\00x\0016777221\000", !5, !6, !10} ; [ DW_TAG_arg_variable ] !15 = !{i32 5, i32 21, !5, null} !16 = !{i32 7, i32 13, !17, null} !17 = !{!"0xb\006\001\000", !26, !5} ; [ DW_TAG_lexical_block ] !18 = !{!"0x100\00a\007\000", !17, !6, !19} ; [ DW_TAG_auto_variable ] !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] !20 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ] !21 = !{!22} !22 = !{!"0x21\000\00-1"} ; [ DW_TAG_subrange_type ] !23 = !{i32 7, i32 8, !17, null} !24 = !{i32 9, i32 1, !17, null} !25 = !{i32 8, i32 3, !17, null} !26 = !{!"20020104-2.c", !"/Volumes/Sandbox/llvm"} !27 = !{i32 1, !"Debug Info Version", i32 2}