diff options
Diffstat (limited to 'test/Transforms/InstCombine/debuginfo_add.ll')
-rw-r--r-- | test/Transforms/InstCombine/debuginfo_add.ll | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/debuginfo_add.ll b/test/Transforms/InstCombine/debuginfo_add.ll new file mode 100644 index 00000000000..0d194cc65c7 --- /dev/null +++ b/test/Transforms/InstCombine/debuginfo_add.ll @@ -0,0 +1,108 @@ +; RUN: opt -instcombine %s -o - -S | FileCheck %s +; typedef struct v *v_t; +; struct v { +; unsigned long long p; +; }; +; +; void f(v_t object, unsigned long long *start) { +; unsigned head_size; +; unsigned long long orig_start; +; unsigned long long offset; +; orig_start = *start; +; for (offset = orig_start - (unsigned long long)(1 << 12); head_size; +; offset -= (unsigned long long)(1 << 12), head_size -= (1 << 12)) +; use(offset, (object)); +; } +source_filename = "test.i" +target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" +target triple = "thumbv7s-apple-ios5.0.0" + +%struct.vm_object = type { i64 } + +; Function Attrs: nounwind ssp +define void @f(%struct.vm_object* %object, i64* nocapture readonly %start) local_unnamed_addr #0 !dbg !11 { +entry: + tail call void @llvm.dbg.value(metadata %struct.vm_object* %object, metadata !21, metadata !DIExpression()), !dbg !27 + tail call void @llvm.dbg.value(metadata i64* %start, metadata !22, metadata !DIExpression()), !dbg !28 + %0 = load i64, i64* %start, align 4, !dbg !29 + tail call void @llvm.dbg.value(metadata i64 %0, metadata !25, metadata !DIExpression()), !dbg !30 + %offset.08 = add i64 %0, -4096 + tail call void @llvm.dbg.value(metadata i64 %offset.08, metadata !26, metadata !DIExpression()), !dbg !31 + ; CHECK: call void @llvm.dbg.value(metadata i64 %0, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !30 + tail call void @llvm.dbg.value(metadata i32 undef, metadata !23, metadata !DIExpression()), !dbg !32 + br i1 undef, label %for.end, label %for.body.lr.ph, !dbg !32 + +for.body.lr.ph: ; preds = %entry + br label %for.body, !dbg !32 + +for.body: ; preds = %for.body.lr.ph, %for.body + %offset.010 = phi i64 [ %offset.08, %for.body.lr.ph ], [ %offset.0, %for.body ] + %head_size.09 = phi i32 [ undef, %for.body.lr.ph ], [ %sub2, %for.body ] + tail call void @llvm.dbg.value(metadata i32 %head_size.09, metadata !23, metadata !DIExpression()), !dbg !31 + %call = tail call i32 bitcast (i32 (...)* @use to i32 (i64, %struct.vm_object*)*)(i64 %offset.010, %struct.vm_object* %object) #3, !dbg !34 + %sub2 = add i32 %head_size.09, -4096, !dbg !37 + %offset.0 = add i64 %offset.010, -4096 + tail call void @llvm.dbg.value(metadata i64 %offset.0, metadata !26, metadata !DIExpression()), !dbg !30 + ; CHECK: call void @llvm.dbg.value(metadata i64 %offset.010, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !29 + tail call void @llvm.dbg.value(metadata i32 %sub2, metadata !23, metadata !DIExpression()), !dbg !31 + %tobool = icmp eq i32 %sub2, 0, !dbg !32 + br i1 %tobool, label %for.end, label %for.body, !dbg !32, !llvm.loop !38 + +for.end: ; preds = %for.body, %entry + ret void, !dbg !40 +} + +declare i32 @use(...) local_unnamed_addr + +; Function Attrs: nounwind readnone speculatable +declare void @llvm.dbg.value(metadata, metadata, metadata) #2 + +attributes #0 = { nounwind ssp } +attributes #2 = { nounwind readnone speculatable } +attributes #3 = { nobuiltin } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!5, !6, !7, !8, !9} +!llvm.ident = !{!10} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3) +!1 = !DIFile(filename: "test.i", directory: "/Data/radar/31209283") +!2 = !{} +!3 = !{!4} +!4 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) +!5 = !{i32 2, !"Dwarf Version", i32 2} +!6 = !{i32 2, !"Debug Info Version", i32 3} +!7 = !{i32 1, !"wchar_size", i32 4} +!8 = !{i32 1, !"min_enum_size", i32 4} +!9 = !{i32 7, !"PIC Level", i32 2} +!10 = !{!"clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)"} +!11 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 6, type: !12, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !20) +!12 = !DISubroutineType(types: !13) +!13 = !{null, !14, !19} +!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "v_t", file: !1, line: 1, baseType: !15) +!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32) +!16 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "v", file: !1, line: 2, size: 64, elements: !17) +!17 = !{!18} +!18 = !DIDerivedType(tag: DW_TAG_member, name: "p", scope: !16, file: !1, line: 3, baseType: !4, size: 64) +!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 32) +!20 = !{!21, !22, !23, !25, !26} +!21 = !DILocalVariable(name: "object", arg: 1, scope: !11, file: !1, line: 6, type: !14) +!22 = !DILocalVariable(name: "start", arg: 2, scope: !11, file: !1, line: 6, type: !19) +!23 = !DILocalVariable(name: "head_size", scope: !11, file: !1, line: 7, type: !24) +!24 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) +!25 = !DILocalVariable(name: "orig_start", scope: !11, file: !1, line: 8, type: !4) +!26 = !DILocalVariable(name: "offset", scope: !11, file: !1, line: 9, type: !4) +!27 = !DILocation(line: 6, column: 20, scope: !11) +!28 = !DILocation(line: 6, column: 48, scope: !11) +!29 = !DILocation(line: 8, column: 22, scope: !11) +!30 = !DILocation(line: 7, column: 12, scope: !11) +!31 = !DILocation(line: 10, column: 16, scope: !11) +!32 = !DILocation(line: 11, column: 5, scope: !33) +!33 = distinct !DILexicalBlock(scope: !11, file: !1, line: 11, column: 5) +!34 = !DILocation(line: 13, column: 7, scope: !35) +!35 = distinct !DILexicalBlock(scope: !36, file: !1, line: 12, column: 75) +!36 = distinct !DILexicalBlock(scope: !33, file: !1, line: 11, column: 5) +!37 = !DILocation(line: 12, column: 61, scope: !36) +!38 = distinct !{!38, !32, !39} +!39 = !DILocation(line: 14, column: 3, scope: !33) +!40 = !DILocation(line: 15, column: 1, scope: !11) |