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1; RUN: llc -stop-after=finalize-isel < %s | FileCheck %s2;3; Make sure that when the entry block of IR below is lowered, an instruction4; that implictly defines $eflags has a same debug location with the icmp5; instruction, and the branch instructions have a same debug location with the6; 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 $esi11; CHECK-DAG: [[VREG2:%[^ ]+]]:gr32 = COPY $edi12; CHECK: SUB32rr [[VREG2]], [[VREG1]], implicit-def $eflags, debug-location [[DLOC1]]13; CHECK-NEXT: JCC_1{{.*}} 4, implicit $eflags, debug-location [[DLOC2]]14; CHECK-NEXT: JMP_1{{.*}} debug-location [[DLOC2]]15 16target triple = "x86_64-unknown-linux-gnu"17 18; Function Attrs: nounwind uwtable19define i32 @foo(i32 %x, i32 %y) !dbg !4 {20entry:21 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !11), !dbg !1222 tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !10, metadata !11), !dbg !1323 %cmp = icmp ne i32 %x, %y, !dbg !1424 br i1 %cmp, label %if.then, label %if.else, !dbg !1625 26if.then: ; preds = %entry27 %call = tail call i32 (...) @bar() #3, !dbg !1728 br label %return, !dbg !1829 30if.else: ; preds = %entry31 %call1 = tail call i32 (...) @baz() #3, !dbg !1932 br label %return, !dbg !2033 34return: ; preds = %if.else, %if.then35 %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]36 ret i32 %retval.0, !dbg !2137}38 39declare i32 @bar(...)40declare i32 @baz(...)41 42; Function Attrs: nounwind readnone43declare 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