1; RUN: llc %s -filetype=obj -o %t.o 2; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s 3; Test emitting a constant for an aggregate type. 4; 5; clang -S -O1 -emit-llvm 6; 7; typedef struct { unsigned i; } S; 8; 9; unsigned foo(S s) { 10; s.i = 1; 11; return s.i; 12; } 13; 14; class C { public: unsigned i; }; 15; 16; unsigned foo(C c) { 17; c.i = 2; 18; return c.i; 19; } 20; 21; unsigned bar() { 22; int a[1] = { 3 }; 23; return a[0]; 24; } 25; 26; CHECK: DW_TAG_formal_parameter 27; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (1) 28; CHECK-NEXT: DW_AT_name {{.*}} "s" 29; 30; CHECK: DW_TAG_formal_parameter 31; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (2) 32; CHECK-NEXT: DW_AT_name {{.*}} "c" 33; 34; CHECK: DW_TAG_variable 35; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (3) 36; CHECK-NEXT: DW_AT_name {{.*}} "a" 37 38; ModuleID = 'sroasplit-4.cpp' 39target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 40target triple = "x86_64-apple-macosx10.10.0" 41 42; Function Attrs: nounwind readnone ssp uwtable 43define i32 @_Z3foo1S(i32 %s.coerce) #0 { 44entry: 45 tail call void @llvm.dbg.value(metadata i32 %s.coerce, i64 0, metadata !18, metadata !37), !dbg !38 46 tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !18, metadata !37), !dbg !38 47 ret i32 1, !dbg !39 48} 49 50; Function Attrs: nounwind readnone ssp uwtable 51define i32 @_Z3foo1C(i32 %c.coerce) #0 { 52entry: 53 tail call void @llvm.dbg.value(metadata i32 %c.coerce, i64 0, metadata !23, metadata !37), !dbg !40 54 tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !23, metadata !37), !dbg !40 55 ret i32 2, !dbg !41 56} 57 58; Function Attrs: nounwind readnone ssp uwtable 59define i32 @_Z3barv() #0 { 60entry: 61 tail call void @llvm.dbg.value(metadata i32 3, i64 0, metadata !28, metadata !37), !dbg !42 62 ret i32 3, !dbg !43 63} 64 65; Function Attrs: nounwind readnone 66declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 67 68attributes #0 = { nounwind readnone ssp uwtable } 69attributes #1 = { nounwind readnone } 70 71!llvm.dbg.cu = !{!0} 72!llvm.module.flags = !{!33, !34, !35} 73!llvm.ident = !{!36} 74 75!0 = !{!"0x11\004\00clang version 3.6.0 (trunk 225364) (llvm/trunk 225366)\001\00\000\00\001", !1, !2, !3, !11, !2, !2} ; [ DW_TAG_compile_unit ] [/sroasplit-4.cpp] [DW_LANG_C_plus_plus] 76!1 = !{!"sroasplit-4.cpp", !""} 77!2 = !{} 78!3 = !{!4, !8} 79!4 = !{!"0x13\00\001\0032\0032\000\000\000", !1, null, null, !5, null, null, !"_ZTS1S"} ; [ DW_TAG_structure_type ] [line 1, size 32, align 32, offset 0] [def] [from ] 80!5 = !{!6} 81!6 = !{!"0xd\00i\001\0032\0032\000\000", !1, !"_ZTS1S", !7} ; [ DW_TAG_member ] [i] [line 1, size 32, align 32, offset 0] [from unsigned int] 82!7 = !{!"0x24\00unsigned int\000\0032\0032\000\000\007", null, null} ; [ DW_TAG_base_type ] [unsigned int] [line 0, size 32, align 32, offset 0, enc DW_ATE_unsigned] 83!8 = !{!"0x2\00C\008\0032\0032\000\000\000", !1, null, null, !9, null, null, !"_ZTS1C"} ; [ DW_TAG_class_type ] [C] [line 8, size 32, align 32, offset 0] [def] [from ] 84!9 = !{!10} 85!10 = !{!"0xd\00i\008\0032\0032\000\003", !1, !"_ZTS1C", !7} ; [ DW_TAG_member ] [i] [line 8, size 32, align 32, offset 0] [public] [from unsigned int] 86!11 = !{!12, !19, !24} 87!12 = !{!"0x2e\00foo\00foo\00_Z3foo1S\003\000\001\000\000\00256\001\003", !1, !13, !14, null, i32 (i32)* @_Z3foo1S, null, null, !17} ; [ DW_TAG_subprogram ] [line 3] [def] [foo] 88!13 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/sroasplit-4.cpp] 89!14 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 90!15 = !{!7, !16} 91!16 = !{!"0x16\00S\001\000\000\000\000", !1, null, !"_ZTS1S"} ; [ DW_TAG_typedef ] [S] [line 1, size 0, align 0, offset 0] [from _ZTS1S] 92!17 = !{!18} 93!18 = !{!"0x101\00s\0016777219\000", !12, !13, !16} ; [ DW_TAG_arg_variable ] [s] [line 3] 94!19 = !{!"0x2e\00foo\00foo\00_Z3foo1C\0010\000\001\000\000\00256\001\0010", !1, !13, !20, null, i32 (i32)* @_Z3foo1C, null, null, !22} ; [ DW_TAG_subprogram ] [line 10] [def] [foo] 95!20 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !21, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 96!21 = !{!7, !"_ZTS1C"} 97!22 = !{!23} 98!23 = !{!"0x101\00c\0016777226\000", !19, !13, !"_ZTS1C"} ; [ DW_TAG_arg_variable ] [c] [line 10] 99!24 = !{!"0x2e\00bar\00bar\00_Z3barv\0015\000\001\000\000\00256\001\0015", !1, !13, !25, null, i32 ()* @_Z3barv, null, null, !27} ; [ DW_TAG_subprogram ] [line 15] [def] [bar] 100!25 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !26, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 101!26 = !{!7} 102!27 = !{!28} 103!28 = !{!"0x100\00a\0016\000", !24, !13, !29} ; [ DW_TAG_auto_variable ] [a] [line 16] 104!29 = !{!"0x1\00\000\0032\0032\000\000\000", null, null, !30, !31, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 32, align 32, offset 0] [from int] 105!30 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 106!31 = !{!32} 107!32 = !{!"0x21\000\001"} ; [ DW_TAG_subrange_type ] [0, 0] 108!33 = !{i32 2, !"Dwarf Version", i32 2} 109!34 = !{i32 2, !"Debug Info Version", i32 2} 110!35 = !{i32 1, !"PIC Level", i32 2} 111!36 = !{!"clang version 3.6.0 (trunk 225364) (llvm/trunk 225366)"} 112!37 = !{!"0x102"} ; [ DW_TAG_expression ] 113!38 = !MDLocation(line: 3, column: 16, scope: !12) 114!39 = !MDLocation(line: 5, column: 3, scope: !12) 115!40 = !MDLocation(line: 10, column: 16, scope: !19) 116!41 = !MDLocation(line: 12, column: 3, scope: !19) 117!42 = !MDLocation(line: 16, column: 6, scope: !24) 118!43 = !MDLocation(line: 17, column: 3, scope: !24) 119