1 ; RUN: llc -filetype=obj -O0 < %s -mtriple mips-unknown-linux-gnu | llvm-dwarfdump - | FileCheck %s
2 ; PR19815
4 ; Generated using clang -target mips-linux-gnu -g test.c -S -o - -flto|opt -sroa -S
5 ; test.c:
6 ;
7 ; int foo(int x) {
8 ; if (x)
9 ; return 0;
10 ; return 1;
11 ; }
13 ; CHECK: Address Line Column File ISA Discriminator Flags
14 ; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
15 ; CHECK: 0x0000000000000000 1 0 1 0 0 is_stmt
16 ; CHECK: 0x0000000000000000 1 0 1 0 0 is_stmt prologue_end
17 ; CHECK: 0x0000000000000008 2 0 1 0 0 is_stmt
18 ; CHECK: 0x0000000000000020 3 0 1 0 0 is_stmt
19 ; CHECK: 0x0000000000000030 4 0 1 0 0 is_stmt
20 ; CHECK: 0x0000000000000040 5 0 1 0 0 is_stmt
21 ; CHECK: 0x0000000000000050 5 0 1 0 0 is_stmt end_sequence
23 target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
24 target triple = "mips--linux-gnu"
26 ; Function Attrs: nounwind
27 define i32 @foo(i32 %x) #0 {
28 entry:
29 call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !12, metadata !{metadata !"0x102"}), !dbg !13
30 %tobool = icmp ne i32 %x, 0, !dbg !14
31 br i1 %tobool, label %if.then, label %if.end, !dbg !14
33 if.then: ; preds = %entry
34 br label %return, !dbg !16
36 if.end: ; preds = %entry
37 br label %return, !dbg !17
39 return: ; preds = %if.end, %if.then
40 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
41 ret i32 %retval.0, !dbg !18
42 }
44 ; Function Attrs: nounwind readnone
45 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
47 ; Function Attrs: nounwind readnone
48 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
50 attributes #0 = { nounwind }
51 attributes #1 = { nounwind readnone }
53 !llvm.dbg.cu = !{!0}
54 !llvm.module.flags = !{!9, !10}
55 !llvm.ident = !{!11}
57 !0 = metadata !{metadata !"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/test.c] [DW_LANG_C99]
58 !1 = metadata !{metadata !"test.c", metadata !"/tmp"}
59 !2 = metadata !{}
60 !3 = metadata !{metadata !4}
61 !4 = metadata !{metadata !"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", metadata !1, metadata !5, metadata !6, null, i32 (i32)* @foo, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
62 !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/test.c]
63 !6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
64 !7 = metadata !{metadata !8, metadata !8}
65 !8 = metadata !{metadata !"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]
66 !9 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
67 !10 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
68 !11 = metadata !{metadata !"clang version 3.5.0"}
69 !12 = metadata !{metadata !"0x101\00x\0016777217\000", metadata !4, metadata !5, metadata !8} ; [ DW_TAG_arg_variable ] [x] [line 1]
70 !13 = metadata !{i32 1, i32 0, metadata !4, null}
71 !14 = metadata !{i32 2, i32 0, metadata !15, null}
72 !15 = metadata !{metadata !"0xb\002\000\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ] [/tmp/test.c]
73 !16 = metadata !{i32 3, i32 0, metadata !15, null}
74 !17 = metadata !{i32 4, i32 0, metadata !4, null}
75 !18 = metadata !{i32 5, i32 0, metadata !4, null}