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
8 ; This tests that transferDbgValues() changes order of SDDbgValue transferred
9 ; to another node and debug info for 'ADD32ri' appears *after* the instruction.
11 ; This test case was generated from the following program
12 ; using: clang -g -O3 -S -emit-llvm test.c
14 ; int foo(int a, int *b) {
21 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
22 target triple = "x86_64-unknown-linux-gnu"
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)
\r
28 ; DBGVALUE-NEXT: DBG_VALUE %[[REG]]
30 ; Function Attrs: nofree norecurse nounwind uwtable writeonly
31 define dso_local i32 @foo(i32 %a, ptr nocapture %b) local_unnamed_addr !dbg !7 {
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
38 if.then: ; preds = %entry
39 store i32 %a, ptr %b, align 4, !dbg !18
40 br label %if.end, !dbg !18
42 if.end: ; preds = %entry, %if.then
43 ret i32 %add, !dbg !18
46 ; Function Attrs: nounwind readnone speculatable willreturn
47 declare void @llvm.dbg.value(metadata, metadata, metadata)
50 !llvm.module.flags = !{!3, !4, !5}
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: "/")
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)