diff options
Diffstat (limited to 'llvm/test/Transforms/InstMerge/st_sink_debuginvariant.ll')
| -rw-r--r-- | llvm/test/Transforms/InstMerge/st_sink_debuginvariant.ll | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstMerge/st_sink_debuginvariant.ll b/llvm/test/Transforms/InstMerge/st_sink_debuginvariant.ll new file mode 100644 index 00000000000..4a2d8040726 --- /dev/null +++ b/llvm/test/Transforms/InstMerge/st_sink_debuginvariant.ll @@ -0,0 +1,156 @@ +; RUN: opt < %s -S -mldst-motion -o - | FileCheck %s +; RUN: opt < %s -S -strip-debug -mldst-motion -o - | FileCheck %s + +; Verify that the amount of stores that are sunk is invariant regarding debug +; info. This used to fail due to including dbg.value instructions when +; calculating the size of a basic block for the "MagicCompileTimeControl" +; check in MergedLoadStoreMotion::mergeStores. + +; CHECK-LABEL: return: +; CHECK-NEXT: %.sink = phi i16 [ 5, %if.end ], [ 6, %if.then ] +; CHECK-NEXT: %0 = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 0 +; CHECK-NEXT: store i16 %.sink, i16* %0 +; CHECK-NEXT: %1 = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 1 +; CHECK-NEXT: store i16 0, i16* %1 +; CHECK-NEXT: ret void + +%struct.S0 = type { i16, i16 } + +@g_173 = dso_local local_unnamed_addr global i16 0, !dbg !0 + +; Function Attrs: noinline norecurse nounwind +define dso_local void @func_34(%struct.S0* noalias sret %agg.result) local_unnamed_addr #0 !dbg !11 { +entry: + br i1 undef, label %if.end, label %if.then, !dbg !18 + +if.then: ; preds = %entry + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + call void @llvm.dbg.value(metadata i16 5, metadata !19, metadata !DIExpression()), !dbg !22 + %l_303.sroa.0.0..sroa_idx = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 0, !dbg !23 + store i16 6, i16* %l_303.sroa.0.0..sroa_idx, !dbg !23 + %l_303.sroa.2.0..sroa_idx1 = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 1, !dbg !23 + store i16 0, i16* %l_303.sroa.2.0..sroa_idx1, !dbg !23 + br label %return, !dbg !24 + +if.end: ; preds = %entry + %f037 = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 0, !dbg !25 + store i16 5, i16* %f037, !dbg !25 + %f138 = getelementptr inbounds %struct.S0, %struct.S0* %agg.result, i16 0, i32 1, !dbg !25 + store i16 0, i16* %f138, !dbg !25 + store i16 0, i16* @g_173, !dbg !27 + br label %return, !dbg !28 + +return: ; preds = %if.end, %if.then + ret void, !dbg !29 +} + +; Function Attrs: nounwind readnone speculatable +declare void @llvm.dbg.value(metadata, metadata, metadata) #1 + +attributes #0 = { noinline norecurse nounwind } +attributes #1 = { nounwind readnone speculatable } + +!llvm.dbg.cu = !{!2} +!llvm.module.flags = !{!7, !8, !9} +!llvm.ident = !{!10} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "g_173", scope: !2, file: !3, line: 7, type: !6, isLocal: false, isDefinition: true) +!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (x)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) +!3 = !DIFile(filename: "csmith11794002068761.c", directory: "") +!4 = !{} +!5 = !{!0} +!6 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed) +!7 = !{i32 2, !"Dwarf Version", i32 4} +!8 = !{i32 2, !"Debug Info Version", i32 3} +!9 = !{i32 1, !"wchar_size", i32 1} +!10 = !{!"clang version 7.0.0 (x)"} +!11 = distinct !DISubprogram(name: "func_34", scope: !3, file: !3, line: 16, type: !12, isLocal: false, isDefinition: true, scopeLine: 16, isOptimized: false, unit: !2, retainedNodes: !4) +!12 = !DISubroutineType(types: !13) +!13 = !{!14} +!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S0", file: !3, line: 2, size: 32, elements: !15) +!15 = !{!16, !17} +!16 = !DIDerivedType(tag: DW_TAG_member, name: "f0", scope: !14, file: !3, line: 3, baseType: !6, size: 16) +!17 = !DIDerivedType(tag: DW_TAG_member, name: "f1", scope: !14, file: !3, line: 4, baseType: !6, size: 16, offset: 16) +!18 = !DILocation(line: 18, column: 7, scope: !11) +!19 = !DILocalVariable(name: "left", scope: !20, file: !3, line: 23, type: !6) +!20 = distinct !DILexicalBlock(scope: !21, file: !3, line: 18, column: 14) +!21 = distinct !DILexicalBlock(scope: !11, file: !3, line: 18, column: 7) +!22 = !DILocation(line: 23, column: 9, scope: !20) +!23 = !DILocation(line: 26, column: 12, scope: !20) +!24 = !DILocation(line: 26, column: 5, scope: !20) +!25 = !DILocation(line: 29, column: 23, scope: !26) +!26 = distinct !DILexicalBlock(scope: !11, file: !3, line: 28, column: 3) +!27 = !DILocation(line: 30, column: 11, scope: !26) +!28 = !DILocation(line: 31, column: 5, scope: !26) +!29 = !DILocation(line: 33, column: 1, scope: !11) |
