1 ; RUN: llc -stop-after=expand-isel-pseudos < %s | FileCheck %s 2 ; 3 ; Make sure that when the entry block of IR below is lowered, an instruction 4 ; that implictly defines $eflags has a same debug location with the icmp 5 ; instruction, and the branch instructions have a same debug location with the 6 ; br instruction. 7 ; 8 ; CHECK: [[DLOC1:![0-9]+]] = !DILocation(line: 5, column: 9, scope: !{{[0-9]+}}) 9 ; CHECK: [[DLOC2:![0-9]+]] = !DILocation(line: 5, column: 7, scope: !{{[0-9]+}}) 10 ; CHECK-DAG: [[VREG1:%[^ ]+]]:gr32 = COPY $esi 11 ; CHECK-DAG: [[VREG2:%[^ ]+]]:gr32 = COPY $edi 12 ; CHECK: SUB32rr [[VREG2]], [[VREG1]], implicit-def $eflags, debug-location [[DLOC1]] 13 ; CHECK-NEXT: JE_1{{.*}} implicit $eflags, debug-location [[DLOC2]] 14 ; CHECK-NEXT: JMP_1{{.*}} debug-location [[DLOC2]] 15 16 target triple = "x86_64-unknown-linux-gnu" 17 18 ; Function Attrs: nounwind uwtable 19 define i32 @foo(i32 %x, i32 %y) !dbg !4 { 20 entry: 21 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !11), !dbg !12 22 tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !10, metadata !11), !dbg !13 23 %cmp = icmp ne i32 %x, %y, !dbg !14 24 br i1 %cmp, label %if.then, label %if.else, !dbg !16 25 26 if.then: ; preds = %entry 27 %call = tail call i32 (...) @bar() #3, !dbg !17 28 br label %return, !dbg !18 29 30 if.else: ; preds = %entry 31 %call1 = tail call i32 (...) @baz() #3, !dbg !19 32 br label %return, !dbg !20 33 34 return: ; preds = %if.else, %if.then 35 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ] 36 ret i32 %retval.0, !dbg !21 37 } 38 39 declare i32 @bar(...) 40 declare i32 @baz(...) 41 42 ; Function Attrs: nounwind readnone 43 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) 44 45 !llvm.dbg.cu = !{!0} 46 !llvm.module.flags = !{!2, !3} 47 48 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug) 49 !1 = !DIFile(filename: "foo.c", directory: "b/") 50 !2 = !{i32 2, !"Dwarf Version", i32 4} 51 !3 = !{i32 2, !"Debug Info Version", i32 3} 52 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8) 53 !5 = !DISubroutineType(types: !6) 54 !6 = !{!7, !7, !7} 55 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 56 !8 = !{!9, !10} 57 !9 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !1, line: 4, type: !7) 58 !10 = !DILocalVariable(name: "y", arg: 2, scope: !4, file: !1, line: 4, type: !7) 59 !11 = !DIExpression() 60 !12 = !DILocation(line: 4, column: 13, scope: !4) 61 !13 = !DILocation(line: 4, column: 20, scope: !4) 62 !14 = !DILocation(line: 5, column: 9, scope: !15) 63 !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 5, column: 7) 64 !16 = !DILocation(line: 5, column: 7, scope: !4) 65 !17 = !DILocation(line: 6, column: 12, scope: !15) 66 !18 = !DILocation(line: 6, column: 5, scope: !15) 67 !19 = !DILocation(line: 8, column: 12, scope: !15) 68 !20 = !DILocation(line: 8, column: 5, scope: !15) 69 !21 = !DILocation(line: 9, column: 1, scope: !4) 70
