59 lines
2.3 KiB
LLVM
59 lines
2.3 KiB
LLVM
; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
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; Check that llvm.loop metadata extracted by CodeExtractor is updated so that
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; the debug locations it contains have the right scope.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.14.0"
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; CHECK-LABEL: define {{.*}}@basic.cold.1
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; CHECK: br i1 {{.*}}, !llvm.loop [[LOOP_MD:![0-9]+]]
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; The scope for these debug locations should be @basic.cold.1, not @basic.
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; CHECK: [[SCOPE:![0-9]+]] = distinct !DISubprogram(name: "basic.cold.1"
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; CHECK: [[LOOP_MD]] = distinct !{[[LOOP_MD]], [[LINE:![0-9]+]], [[LINE]]}
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; CHECK: [[LINE]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]])
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define void @basic(i32* %p, i32 %k) !dbg !6 {
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entry:
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%cmp3 = icmp slt i32 0, %k
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br i1 %cmp3, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%i.05 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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%p.addr.04 = phi i32* [ %p, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
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%incdec.ptr = getelementptr inbounds i32, i32* %p.addr.04, i32 1
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store i32 %i.05, i32* %p.addr.04, align 4
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%inc = add nsw i32 %i.05, 1
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call void @sink()
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%cmp = icmp slt i32 %inc, %k
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br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge, !llvm.loop !10
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for.cond.for.end_crit_edge: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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ret void
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}
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declare void @sink() cold
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!3, !4}
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!llvm.module.flags = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/")
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!2 = !{}
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!3 = !{i32 22}
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!4 = !{i32 12}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = distinct !DISubprogram(name: "basic", linkageName: "basic", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
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!7 = !DISubroutineType(types: !2)
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!8 = !{}
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!9 = !DILocation(line: 1, column: 1, scope: !6)
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!10 = distinct !{!10, !9, !9}
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