1 ; RUN: llc -filetype=asm -asm-verbose=0 < %s | FileCheck %s 2 3 ; "1" from line 09 in the snippet below shouldn't be marked with location of "1" 4 ; from line 04. Instead it will have location inside main() (real location is 5 ; just erased, so it won't be perfectly accurate). 6 7 ; options: -g -O3 8 ; 01 volatile int x; 9 ; 02 int y; 10 ; 03 static __attribute__((always_inline)) int f1() { 11 ; 04 if (x * 3 < 14) return 1; 12 ; 05 return 2; 13 ; 06 } 14 ; 07 int main() { 15 ; 08 x = f1(); 16 ; 09 x = x ? 1 : 2; 17 ; 10 } 18 19 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 20 target triple = "x86_64-unknown-linux-gnu" 21 22 @x = common global i32 0, align 4 23 @y = common global i32 0, align 4 24 25 define i32 @main() !dbg !4 { 26 ; CHECK: .loc 1 {{[89]}} 27 ; CHECK-NOT: .loc 28 ; CHECK: movl $1 29 30 entry: 31 %0 = load volatile i32, i32* @x, align 4, !dbg !16, !tbaa !19 32 %mul.i = mul nsw i32 %0, 3, !dbg !23 33 %cmp.i = icmp slt i32 %mul.i, 14, !dbg !24 34 %..i = select i1 %cmp.i, i32 1, i32 2, !dbg !25 35 store volatile i32 %..i, i32* @x, align 4, !dbg !27, !tbaa !19 36 %1 = load volatile i32, i32* @x, align 4, !dbg !28, !tbaa !19 37 %tobool = icmp ne i32 %1, 0, !dbg !28 38 br i1 %tobool, label %select.end, label %select.mid 39 40 select.mid: ; preds = %entry 41 br label %select.end 42 43 select.end: ; preds = %entry, %select.mid 44 %cond = phi i32 [ 1, %entry ], [ 2, %select.mid ] 45 store volatile i32 %cond, i32* @x, align 4, !dbg !29, !tbaa !19 46 ret i32 0, !dbg !30 47 } 48 49 !llvm.dbg.cu = !{!0} 50 !llvm.module.flags = !{!13, !14} 51 52 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !9, imports: !2) 53 !1 = !DIFile(filename: "inline-break.c", directory: "/build/dir") 54 !2 = !{} 55 !4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: true, unit: !0, variables: !2) 56 !5 = !DISubroutineType(types: !6) 57 !6 = !{!7} 58 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 59 !8 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 3, type: !5, isLocal: true, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, variables: !2) 60 !9 = !{!10, !12} 61 !10 = !DIGlobalVariable(name: "x", scope: !0, file: !1, line: 1, type: !11, isLocal: false, isDefinition: true, variable: i32* @x) 62 !11 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7) 63 !12 = !DIGlobalVariable(name: "y", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, variable: i32* @y) 64 !13 = !{i32 2, !"Dwarf Version", i32 4} 65 !14 = !{i32 2, !"Debug Info Version", i32 3} 66 !16 = !DILocation(line: 4, column: 9, scope: !17, inlinedAt: !18) 67 !17 = distinct !DILexicalBlock(scope: !8, file: !1, line: 4, column: 9) 68 !18 = distinct !DILocation(line: 8, column: 9, scope: !4) 69 !19 = !{!20, !20, i64 0} 70 !20 = !{!"int", !21, i64 0} 71 !21 = !{!"omnipotent char", !22, i64 0} 72 !22 = !{!"Simple C/C++ TBAA"} 73 !23 = !DILocation(line: 4, column: 11, scope: !17, inlinedAt: !18) 74 !24 = !DILocation(line: 4, column: 15, scope: !17, inlinedAt: !18) 75 !25 = !DILocation(line: 4, column: 21, scope: !26, inlinedAt: !18) 76 !26 = !DILexicalBlockFile(scope: !17, file: !1, discriminator: 1) 77 !27 = !DILocation(line: 8, column: 7, scope: !4) 78 !28 = !DILocation(line: 9, column: 9, scope: !4) 79 !29 = !DILocation(line: 9, column: 7, scope: !4) 80 !30 = !DILocation(line: 10, column: 1, scope: !4) 81
