1 ; RUN: llc -mtriple=x86_64-- %s -o - -O0 -stop-before=finalize-isel \
2 ; RUN: -experimental-debug-variable-locations \
3 ; RUN: | FileCheck %s --check-prefix=O0 --implicit-check-not=DBG_INSTR_REF
4 ; RUN: llc -mtriple=x86_64-- %s -o - -O2 -stop-before=finalize-isel \
5 ; RUN: -experimental-debug-variable-locations \
6 ; RUN: | FileCheck %s --check-prefix=O2 --implicit-check-not=DBG_VALUE
7 ; RUN: llc -mtriple=x86_64-- %s -o - -stop-before=finalize-isel \
8 ; RUN: -fast-isel -experimental-debug-variable-locations \
9 ; RUN: | FileCheck %s --check-prefix=FASTISEL --implicit-check-not=DBG_VALUE
11 ;; Repeat the tests using experimental debuginfo iterators.
12 ; RUN: llc --try-experimental-debuginfo-iterators -mtriple=x86_64-- %s -o - -O0 -stop-before=finalize-isel \
13 ; RUN: -experimental-debug-variable-locations \
14 ; RUN: | FileCheck %s --check-prefix=O0 --implicit-check-not=DBG_INSTR_REF
15 ; RUN: llc --try-experimental-debuginfo-iterators -mtriple=x86_64-- %s -o - -O2 -stop-before=finalize-isel \
16 ; RUN: -experimental-debug-variable-locations \
17 ; RUN: | FileCheck %s --check-prefix=O2 --implicit-check-not=DBG_VALUE
18 ; RUN: llc --try-experimental-debuginfo-iterators -mtriple=x86_64-- %s -o - -stop-before=finalize-isel \
19 ; RUN: -fast-isel -experimental-debug-variable-locations \
20 ; RUN: | FileCheck %s --check-prefix=FASTISEL --implicit-check-not=DBG_VALUE
22 ; Test that instruction-referencing variable locations are issued at -O2, but
23 ; normal DBG_VALUEs are issued at -O0. This behaviour is desired as the former
24 ; is slow when applied to unoptimized code.
25 ; (Copy + pasted from ./dead-store-elimination-marks-undef.ll),
27 ; O0-LABEL: name: main
29 ; O0-LABEL: name: fn_optnone
32 ; O2-LABEL: name: main
34 ; O2-LABEL: name: fn_optnone
37 ; FASTISEL-LABEL: name: main
38 ; FASTISEL: DBG_INSTR_REF
39 ; FASTISEL-LABEL: name: fn_optnone
42 @b = common dso_local local_unnamed_addr global i32 0, align 1
44 define dso_local i32 @main() local_unnamed_addr !dbg !7 {
45 %1 = alloca i32, align 4
46 %2 = load i32, ptr @b, align 1, !dbg !13
47 call void @llvm.dbg.value(metadata i32 %2, metadata !12, metadata !DIExpression()), !dbg !13
48 store i32 %2, ptr %1, align 4, !dbg !13
52 define dso_local i32 @fn_optnone() local_unnamed_addr #0 !dbg !27 {
53 %1 = alloca i32, align 4
54 %2 = load i32, ptr @b, align 1, !dbg !33
55 call void @llvm.dbg.value(metadata i32 %2, metadata !32, metadata !DIExpression()), !dbg !33
56 store i32 %2, ptr %1, align 4, !dbg !33
60 attributes #0 = {optnone noinline}
62 declare void @llvm.dbg.value(metadata, metadata, metadata)
65 !llvm.module.flags = !{!3, !4}
68 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, nameTableKind: None)
69 !1 = !DIFile(filename: "dead-store-elimination-marks-undef.ll", directory: "/temp/bz45080")
71 !3 = !{i32 2, !"Dwarf Version", i32 4}
72 !4 = !{i32 2, !"Debug Info Version", i32 3}
73 !6 = !{!"clang version 10.0.0"}
74 !7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)
75 !8 = !DISubroutineType(types: !9)
77 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
79 !12 = !DILocalVariable(name: "l_2864", scope: !7, file: !1, line: 4, type: !10)
80 !13 = !DILocation(line: 5, column: 12, scope: !7)
81 !27 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !31)
83 !32 = !DILocalVariable(name: "l_2864", scope: !27, file: !1, line: 4, type: !10)
84 !33 = !DILocation(line: 5, column: 12, scope: !27)