; RUN: opt -S -passes=licm %s | FileCheck %s ; Check that hoistMinMax() in LICM salvages the debug values for the hoisted ; cmp instructions. define i32 @test_ult(i32 %start, i32 %inv_1, i32 %inv_2) !dbg !5 { ; CHECK-LABEL: define i32 @test_ult( ; CHECK-SAME: i32 [[START:%.*]], i32 [[INV_1:%.*]], i32 [[INV_2:%.*]]) ; CHECK: [[LOOP:.*]]: ; CHECK: #dbg_value(!DIArgList(i32 [[IV:%.*]], i32 [[INV_1]]), [[META9:![0-9]+]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_lt, DW_OP_stack_value), [[META14:![0-9]+]]) ; CHECK-NEXT: #dbg_value(!DIArgList(i32 [[IV]], i32 [[INV_2]]), [[META11:![0-9]+]], !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_lt, DW_OP_stack_value), [[META15:![0-9]+]]) ; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp ult i32 [[IV]], [[INVARIANT_UMIN:%.*]], !dbg [[DBG16:![0-9]+]] entry: br label %loop, !dbg !16 loop: ; preds = %loop, %entry %iv = phi i32 [ %start, %entry ], [ %iv.next, %loop ], !dbg !17 %cmp_1 = icmp ult i32 %iv, %inv_1, !dbg !18 #dbg_value(i1 %cmp_1, !11, !DIExpression(), !18) %cmp_2 = icmp ult i32 %iv, %inv_2, !dbg !19 #dbg_value(i1 %cmp_2, !13, !DIExpression(), !19) %loop_cond = and i1 %cmp_1, %cmp_2, !dbg !20 %iv.next = add i32 %iv, 1, !dbg !21 br i1 %loop_cond, label %loop, label %exit, !dbg !22 exit: ; preds = %loop ret i32 %iv, !dbg !23 } !llvm.dbg.cu = !{!0} !llvm.debugify = !{!2, !3} !llvm.module.flags = !{!4} !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) !1 = !DIFile(filename: "temp.ll", directory: "/") !2 = !{i32 8} !3 = !{i32 5} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = distinct !DISubprogram(name: "test_ult", linkageName: "test_ult", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) !6 = !DISubroutineType(types: !7) !7 = !{} !8 = !{!11, !13} !11 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 3, type: !12) !12 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned) !13 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 4, type: !12) !16 = !DILocation(line: 1, column: 1, scope: !5) !17 = !DILocation(line: 2, column: 1, scope: !5) !18 = !DILocation(line: 3, column: 1, scope: !5) !19 = !DILocation(line: 4, column: 1, scope: !5) !20 = !DILocation(line: 5, column: 1, scope: !5) !21 = !DILocation(line: 6, column: 1, scope: !5) !22 = !DILocation(line: 7, column: 1, scope: !5) !23 = !DILocation(line: 8, column: 1, scope: !5) ;. ; CHECK: [[META9]] = !DILocalVariable(name: "2", ; CHECK: [[META11]] = !DILocalVariable(name: "3", ; CHECK: [[META14]] = !DILocation(line: 3, ; CHECK: [[META15]] = !DILocation(line: 4, ;.