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1; RUN: opt -S -passes=licm %s | FileCheck %s2 3; Check that hoistGEP() in LICM salvages the dbg_value for the hoisted4; getelementptr instruction.5 6define void @hoist_gep(ptr %ptr, i1 %c, i32 %arg) !dbg !5 {7; CHECK-LABEL: define void @hoist_gep(8; CHECK-LABEL: loop:9; CHECK: #dbg_value(!DIArgList(ptr [[PTR:%.*]], i64 [[VAL_EXT:%.*]]), [[META9:![0-9]+]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_stack_value), [[META15:![0-9]+]])10;11entry:12 %arg.ext = zext i32 %arg to i64, !dbg !1613 br label %loop, !dbg !1714 15loop: ; preds = %loop, %entry16 %val = call i32 @get.i32(), !dbg !1817 %val.ext = zext i32 %val to i64, !dbg !1918 %ptr2 = getelementptr inbounds i8, ptr %ptr, i64 %val.ext, !dbg !2019 #dbg_value(ptr %ptr2, !14, !DIExpression(), !20)20 %ptr3 = getelementptr i8, ptr %ptr2, i64 %arg.ext, !dbg !2121 call void @use(ptr %ptr3), !dbg !2222 br i1 %c, label %loop, label %exit, !dbg !2323 24exit: ; preds = %loop25 ret void, !dbg !2426}27 28declare i32 @get.i32()29declare void @use(ptr)30 31!llvm.dbg.cu = !{!0}32!llvm.debugify = !{!2, !3}33!llvm.module.flags = !{!4}34 35!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)36!1 = !DIFile(filename: "salvage-hoisted-gep.ll", directory: "/")37!2 = !{i32 9}38!3 = !{i32 5}39!4 = !{i32 2, !"Debug Info Version", i32 3}40!5 = distinct !DISubprogram(name: "hoist_gep", linkageName: "hoist_gep", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)41!6 = !DISubroutineType(types: !7)42!7 = !{}43!8 = !{!14}44!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)45!14 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 5, type: !10)46!16 = !DILocation(line: 1, column: 1, scope: !5)47!17 = !DILocation(line: 2, column: 1, scope: !5)48!18 = !DILocation(line: 3, column: 1, scope: !5)49!19 = !DILocation(line: 4, column: 1, scope: !5)50!20 = !DILocation(line: 5, column: 1, scope: !5)51!21 = !DILocation(line: 6, column: 1, scope: !5)52!22 = !DILocation(line: 7, column: 1, scope: !5)53!23 = !DILocation(line: 8, column: 1, scope: !5)54!24 = !DILocation(line: 9, column: 1, scope: !5)55;.56; CHECK: [[META9]] = !DILocalVariable(name: "4",57; CHECK: [[META15]] = !DILocation(line: 5,58;.59