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 ; FIXME: The next address probably ought to be 0x0000000000000004 but there's 17 ; a constant initialization before the prologue's end. 18 ; CHECK: 0x0000000000000008 2 0 1 0 0 is_stmt prologue_end 19 ; CHECK: 0x000000000000002c 3 0 1 0 0 is_stmt 20 ; CHECK: 0x000000000000003c 4 0 1 0 0 is_stmt 21 ; CHECK: 0x0000000000000048 5 0 1 0 0 is_stmt 22 ; CHECK: 0x0000000000000058 5 0 1 0 0 is_stmt end_sequence 23 24 25 target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64" 26 target triple = "mips--linux-gnu" 27 28 ; Function Attrs: nounwind 29 define i32 @foo(i32 %x) #0 !dbg !4 { 30 entry: 31 call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !12, metadata !DIExpression()), !dbg !13 32 %tobool = icmp ne i32 %x, 0, !dbg !14 33 br i1 %tobool, label %if.then, label %if.end, !dbg !14 34 35 if.then: ; preds = %entry 36 br label %return, !dbg !16 37 38 if.end: ; preds = %entry 39 br label %return, !dbg !17 40 41 return: ; preds = %if.end, %if.then 42 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ] 43 ret i32 %retval.0, !dbg !18 44 } 45 46 ; Function Attrs: nounwind readnone 47 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 48 49 ; Function Attrs: nounwind readnone 50 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 51 52 attributes #0 = { nounwind } 53 attributes #1 = { nounwind readnone } 54 55 !llvm.dbg.cu = !{!0} 56 !llvm.module.flags = !{!9, !10} 57 !llvm.ident = !{!11} 58 59 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 60 !1 = !DIFile(filename: "test.c", directory: "/tmp") 61 !2 = !{} 62 !3 = !{!4} 63 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2) 64 !5 = !DIFile(filename: "test.c", directory: "/tmp") 65 !6 = !DISubroutineType(types: !7) 66 !7 = !{!8, !8} 67 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 68 !9 = !{i32 2, !"Dwarf Version", i32 4} 69 !10 = !{i32 2, !"Debug Info Version", i32 3} 70 !11 = !{!"clang version 3.5.0"} 71 !12 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !4, file: !5, type: !8) 72 !13 = !DILocation(line: 1, scope: !4) 73 !14 = !DILocation(line: 2, scope: !15) 74 !15 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4) 75 !16 = !DILocation(line: 3, scope: !15) 76 !17 = !DILocation(line: 4, scope: !4) 77 !18 = !DILocation(line: 5, scope: !4) 78
