1; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ 2; RUN: -experimental-debug-variable-locations=false \ 3; RUN: | FileCheck %s --check-prefixes=CHECK,DBGVALUE 4; RUN: llc -start-after=codegenprepare -stop-before finalize-isel -o - %s \ 5; RUN: -experimental-debug-variable-locations=true \ 6; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF 7 8; This tests that transferDbgValues() changes order of SDDbgValue transferred 9; to another node and debug info for 'ADD32ri' appears *after* the instruction. 10; 11; This test case was generated from the following program 12; using: clang -g -O3 -S -emit-llvm test.c 13; 14; int foo(int a, int *b) { 15; int c = a + 512; 16; if (c != 0) 17; *b = a; 18; return c; 19; } 20 21target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 22target triple = "x86_64-unknown-linux-gnu" 23 24; CHECK-LABEL: bb.0.entry: 25; CHECK: %[[REG:[0-9]+]]:gr32 = ADD32ri %1, 512, 26; INSTRREF-SAME: debug-instr-number 1 27; INSTRREF-NEXT: DBG_INSTR_REF {{.+}}, dbg-instr-ref(1, 0) 28; DBGVALUE-NEXT: DBG_VALUE %[[REG]] 29 30; Function Attrs: nofree norecurse nounwind uwtable writeonly 31define dso_local i32 @foo(i32 %a, ptr nocapture %b) local_unnamed_addr !dbg !7 { 32entry: 33 %add = add nsw i32 %a, 512, !dbg !18 34 call void @llvm.dbg.value(metadata i32 %add, metadata !16, metadata !DIExpression()), !dbg !17 35 %cmp = icmp eq i32 %add, 0, !dbg !18 36 br i1 %cmp, label %if.end, label %if.then, !dbg !18 37 38if.then: ; preds = %entry 39 store i32 %a, ptr %b, align 4, !dbg !18 40 br label %if.end, !dbg !18 41 42if.end: ; preds = %entry, %if.then 43 ret i32 %add, !dbg !18 44} 45 46; Function Attrs: nounwind readnone speculatable willreturn 47declare void @llvm.dbg.value(metadata, metadata, metadata) 48 49!llvm.dbg.cu = !{!0} 50!llvm.module.flags = !{!3, !4, !5} 51!llvm.ident = !{!6} 52 53!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 54!1 = !DIFile(filename: "test.c", directory: "/") 55!2 = !{} 56!3 = !{i32 2, !"Dwarf Version", i32 4} 57!4 = !{i32 2, !"Debug Info Version", i32 3} 58!5 = !{i32 1, !"wchar_size", i32 4} 59!6 = !{!"clang version 10.0.0"} 60!7 = distinct !DISubprogram(name: "foo", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) 61!8 = !DIFile(filename: "test.c", directory: "/") 62!9 = !DISubroutineType(types: !10) 63!10 = !{!11, !11, !12} 64!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 65!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64) 66!13 = !{!14, !15, !16} 67!14 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !8, line: 1, type: !11) 68!15 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !8, line: 1, type: !12) 69!16 = !DILocalVariable(name: "c", scope: !7, file: !8, line: 2, type: !11) 70!17 = !DILocation(line: 0, scope: !7) 71!18 = !DILocation(line: 2, column: 13, scope: !7) 72