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65 lines
3.4 KiB
LLVM
65 lines
3.4 KiB
LLVM
; Check that compiler doesn't crash when calculateSpillWeightsAndHints is called with dbg instrs present
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; REQUIRES: asserts
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; REQUIRES: x86_64-linux
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; RUN: llc -O1 -regalloc=pbqp < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: test:
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define dso_local void @test(i32* %a) local_unnamed_addr #0 !dbg !7 {
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entry:
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; CHECK: DEBUG_VALUE: i <- 0
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call void @llvm.dbg.value(metadata i32* %a, metadata !14, metadata !DIExpression()), !dbg !17
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call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !DIExpression()), !dbg !17
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br label %for.cond, !dbg !17
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for.cond: ; preds = %for.body, %entry
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%a.addr.0 = phi i32* [ %a, %entry ], [ %incdec.ptr, %for.body ]
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !17
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call void @llvm.dbg.value(metadata i32 %i.0, metadata !15, metadata !DIExpression()), !dbg !17
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call void @llvm.dbg.value(metadata i32* %a.addr.0, metadata !14, metadata !DIExpression()), !dbg !17
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%cmp = icmp slt i32 %i.0, 32, !dbg !17
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br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !17
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for.cond.cleanup: ; preds = %for.cond
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ret void, !dbg !17
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for.body: ; preds = %for.cond
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%incdec.ptr = getelementptr inbounds i32, i32* %a.addr.0, i32 1, !dbg !17
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call void @llvm.dbg.value(metadata i32* %incdec.ptr, metadata !14, metadata !DIExpression()), !dbg !17
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store i32 42, i32* %a.addr.0, align 4, !dbg !17
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%inc = add nsw i32 %i.0, 1, !dbg !17
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call void @llvm.dbg.value(metadata i32 %inc, metadata !15, metadata !DIExpression()), !dbg !17
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br label %for.cond, !dbg !17
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind uwtable optnone noinline }
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attributes #1 = { nounwind readnone speculatable willreturn }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git afaeb817468d2fdc0a315a7ff136db245e59a8eb)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "csw-debug-assert.c", directory: "dir")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git afaeb817468d2fdc0a315a7ff136db245e59a8eb)"}
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!7 = distinct !DISubprogram(name: "test", scope: !8, file: !8, line: 5, type: !9, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)
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!8 = !DIFile(filename: "csw-debug-assert.c", directory: "dir")
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!9 = !DISubroutineType(types: !10)
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!10 = !{null, !11}
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
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!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!13 = !{!14, !15}
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!14 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !8, line: 5, type: !11)
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!15 = !DILocalVariable(name: "i", scope: !16, file: !8, line: 6, type: !12)
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!16 = distinct !DILexicalBlock(scope: !7, file: !8, line: 6, column: 5)
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!17 = !DILocation(line: 0, scope: !7)
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