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1; RUN: llc %s -stop-after=livedebugvars -o %t2; RUN: cat %t | FileCheck %s3;4; Test that we can emit debug info for large values that are split5; up across multiple registers by the SelectionDAG type legalizer.6;7; // Compile with -O1 -m32.8; long long foo (long long a, long long b)9; {10; long long res = b+1;11; if ( a == b )12; return res;13; return 0;14; }15;16; CHECK-DAG: DBG_VALUE $r{{[0-9]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 32, 16), debug-location !{{[0-9]+}}17; CHECK-DAG: DBG_VALUE $r{{[0-9]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 48, 16), debug-location !{{[0-9]+}}18; CHECK-DAG: DBG_VALUE $r{{[0-9]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 0, 16), debug-location !{{[0-9]+}}19; CHECK-DAG: DBG_VALUE $r{{[0-9]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 16, 16), debug-location !{{[0-9]+}}20 21; ModuleID = 'sdagsplit-1.c'22target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16"23target triple = "msp430"24 25; Function Attrs: nounwind readnone26define i64 @foo(i64 %a, i64 %b) local_unnamed_addr #0 !dbg !7 {27entry:28 call void @llvm.dbg.value(metadata i64 %a, metadata !12, metadata !15), !dbg !1629 call void @llvm.dbg.value(metadata i64 %b, metadata !13, metadata !15), !dbg !1730 %cmp = icmp eq i64 %a, %b, !dbg !1931 %add = add nsw i64 %b, 1, !dbg !2132 call void @llvm.dbg.value(metadata i64 %add, metadata !14, metadata !15), !dbg !1833 %retval.0 = select i1 %cmp, i64 %add, i64 0, !dbg !2234 ret i64 %retval.0, !dbg !2335}36 37; Function Attrs: nounwind readnone speculatable38declare void @llvm.dbg.value(metadata, metadata, metadata) #139 40attributes #0 = { nounwind readnone }41attributes #1 = { nounwind readnone speculatable }42 43!llvm.dbg.cu = !{!0}44!llvm.module.flags = !{!3, !4, !5}45!llvm.ident = !{!6}46 47!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)48!1 = !DIFile(filename: "sdagsplit-1.c", directory: "/MSP430")49!2 = !{}50!3 = !{i32 2, !"Dwarf Version", i32 2}51!4 = !{i32 2, !"Debug Info Version", i32 3}52!5 = !{i32 1, !"wchar_size", i32 2}53!6 = !{!"clang version 6.0.0 "}54!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)55!8 = !DISubroutineType(types: !9)56!9 = !{!10, !10, !10}57!10 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)58!11 = !{!12, !13, !14}59!12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10)60!13 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !1, line: 2, type: !10)61!14 = !DILocalVariable(name: "res", scope: !7, file: !1, line: 4, type: !10)62!15 = !DIExpression()63!16 = !DILocation(line: 2, column: 26, scope: !7)64!17 = !DILocation(line: 2, column: 39, scope: !7)65!18 = !DILocation(line: 4, column: 12, scope: !7)66!19 = !DILocation(line: 5, column: 9, scope: !20)67!20 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7)68!21 = !DILocation(line: 4, column: 19, scope: !7)69!22 = !DILocation(line: 5, column: 7, scope: !7)70!23 = !DILocation(line: 8, column: 1, scope: !7)71