1 ; RUN: llc -filetype=obj -O0 < %s -mtriple mips-unknown-linux-gnu | llvm-dwarfdump - | FileCheck %s 2 ; PR19815 3 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 ; } 12 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 22 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" 25 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), !dbg !13 30 %tobool = icmp ne i32 %x, 0, !dbg !14 31 br i1 %tobool, label %if.then, label %if.end, !dbg !14 32 33 if.then: ; preds = %entry 34 br label %return, !dbg !16 35 36 if.end: ; preds = %entry 37 br label %return, !dbg !17 38 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 } 43 44 ; Function Attrs: nounwind readnone 45 declare void @llvm.dbg.declare(metadata, metadata) #1 46 47 ; Function Attrs: nounwind readnone 48 declare void @llvm.dbg.value(metadata, i64, metadata) #1 49 50 attributes #0 = { nounwind } 51 attributes #1 = { nounwind readnone } 52 53 !llvm.dbg.cu = !{!0} 54 !llvm.module.flags = !{!9, !10} 55 !llvm.ident = !{!11} 56 57 !0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ 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 !{i32 786478, metadata !1, metadata !5, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo] 62 !5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/test.c] 63 !6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, 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 !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ 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 1} 68 !11 = metadata !{metadata !"clang version 3.5.0"} 69 !12 = metadata !{i32 786689, metadata !4, metadata !"x", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ 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 !{i32 786443, metadata !1, metadata !4, i32 2, i32 0, i32 0, i32 0} ; [ 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} 76