1 ; RUN: opt -S -deadargelim < %s | FileCheck %s 2 3 @.str = private constant [1 x i8] zeroinitializer, align 1 ; <[1 x i8]*> [#uses=1] 4 5 define i8* @vfs_addname(i8* %name, i32 %len, i32 %hash, i32 %flags) nounwind ssp { 6 entry: 7 call void @llvm.dbg.value(metadata !{i8* %name}, i64 0, metadata !0) 8 call void @llvm.dbg.value(metadata !{i32 %len}, i64 0, metadata !10) 9 call void @llvm.dbg.value(metadata !{i32 %hash}, i64 0, metadata !11) 10 call void @llvm.dbg.value(metadata !{i32 %flags}, i64 0, metadata !12) 11 ; CHECK: call fastcc i8* @add_name_internal(i8* %name, i32 %hash) nounwind, !dbg !13 12 %0 = call fastcc i8* @add_name_internal(i8* %name, i32 %len, i32 %hash, i8 zeroext 0, i32 %flags) nounwind, !dbg !13 ; <i8*> [#uses=1] 13 ret i8* %0, !dbg !13 14 } 15 16 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone 17 18 define internal fastcc i8* @add_name_internal(i8* %name, i32 %len, i32 %hash, i8 zeroext %extra, i32 %flags) nounwind noinline ssp { 19 entry: 20 call void @llvm.dbg.value(metadata !{i8* %name}, i64 0, metadata !15) 21 call void @llvm.dbg.value(metadata !{i32 %len}, i64 0, metadata !20) 22 call void @llvm.dbg.value(metadata !{i32 %hash}, i64 0, metadata !21) 23 call void @llvm.dbg.value(metadata !{i8 %extra}, i64 0, metadata !22) 24 call void @llvm.dbg.value(metadata !{i32 %flags}, i64 0, metadata !23) 25 %0 = icmp eq i32 %hash, 0, !dbg !24 ; <i1> [#uses=1] 26 br i1 %0, label %bb, label %bb1, !dbg !24 27 28 bb: ; preds = %entry 29 br label %bb2, !dbg !26 30 31 bb1: ; preds = %entry 32 br label %bb2, !dbg !27 33 34 bb2: ; preds = %bb1, %bb 35 %.0 = phi i8* [ getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0), %bb ], [ %name, %bb1 ] ; <i8*> [#uses=1] 36 ret i8* %.0, !dbg !27 37 } 38 39 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone 40 41 !0 = metadata !{i32 524545, metadata !1, metadata !"name", metadata !2, i32 8, metadata !6} ; [ DW_TAG_arg_variable ] 42 !1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"vfs_addname", metadata !"vfs_addname", metadata !"vfs_addname", metadata !2, i32 12, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ] 43 !2 = metadata !{i32 524329, metadata !"tail.c", metadata !"/Users/echeng/LLVM/radars/r7927803/", metadata !3} ; [ DW_TAG_file_type ] 44 !3 = metadata !{i32 524305, i32 0, i32 1, metadata !"tail.c", metadata !"/Users/echeng/LLVM/radars/r7927803/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 9999)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] 45 !4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ] 46 !5 = metadata !{metadata !6, metadata !6, metadata !9, metadata !9, metadata !9} 47 !6 = metadata !{i32 524303, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !7} ; [ DW_TAG_pointer_type ] 48 !7 = metadata !{i32 524326, metadata !2, metadata !"", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] 49 !8 = metadata !{i32 524324, metadata !2, metadata !"char", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] 50 !9 = metadata !{i32 524324, metadata !2, metadata !"unsigned int", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ] 51 !10 = metadata !{i32 524545, metadata !1, metadata !"len", metadata !2, i32 9, metadata !9} ; [ DW_TAG_arg_variable ] 52 !11 = metadata !{i32 524545, metadata !1, metadata !"hash", metadata !2, i32 10, metadata !9} ; [ DW_TAG_arg_variable ] 53 !12 = metadata !{i32 524545, metadata !1, metadata !"flags", metadata !2, i32 11, metadata !9} ; [ DW_TAG_arg_variable ] 54 !13 = metadata !{i32 13, i32 0, metadata !14, null} 55 !14 = metadata !{i32 524299, metadata !1, i32 12, i32 0} ; [ DW_TAG_lexical_block ] 56 !15 = metadata !{i32 524545, metadata !16, metadata !"name", metadata !2, i32 17, metadata !6} ; [ DW_TAG_arg_variable ] 57 !16 = metadata !{i32 524334, i32 0, metadata !2, metadata !"add_name_internal", metadata !"add_name_internal", metadata !"add_name_internal", metadata !2, i32 22, metadata !17, i1 true, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ] 58 !17 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, null} ; [ DW_TAG_subroutine_type ] 59 !18 = metadata !{metadata !6, metadata !6, metadata !9, metadata !9, metadata !19, metadata !9} 60 !19 = metadata !{i32 524324, metadata !2, metadata !"unsigned char", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, i32 8} ; [ DW_TAG_base_type ] 61 !20 = metadata !{i32 524545, metadata !16, metadata !"len", metadata !2, i32 18, metadata !9} ; [ DW_TAG_arg_variable ] 62 !21 = metadata !{i32 524545, metadata !16, metadata !"hash", metadata !2, i32 19, metadata !9} ; [ DW_TAG_arg_variable ] 63 !22 = metadata !{i32 524545, metadata !16, metadata !"extra", metadata !2, i32 20, metadata !19} ; [ DW_TAG_arg_variable ] 64 !23 = metadata !{i32 524545, metadata !16, metadata !"flags", metadata !2, i32 21, metadata !9} ; [ DW_TAG_arg_variable ] 65 !24 = metadata !{i32 23, i32 0, metadata !25, null} 66 !25 = metadata !{i32 524299, metadata !16, i32 22, i32 0} ; [ DW_TAG_lexical_block ] 67 !26 = metadata !{i32 24, i32 0, metadata !25, null} 68 !27 = metadata !{i32 26, i32 0, metadata !25, null} 69