forked from OSchip/llvm-project
49 lines
2.0 KiB
LLVM
49 lines
2.0 KiB
LLVM
; RUN: llc -O0 -stop-before=livedebugvalues < %s | FileCheck %s
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; ModuleID = '/tmp/t.o'
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source_filename = "/tmp/t.o"
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-macosx11.0.0"
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define swiftcc void @"$s1t1f1bySb_tF"(i1 %0) !dbg !35 {
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%2 = alloca i1, align 8
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%3 = bitcast i1* %2 to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %3, i8 0, i64 1, i1 false)
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store i1 %0, i1* %2, align 8, !dbg !37
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; CHECK: B %bb.1, debug-location !{{[0-9]+}}
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br i1 %0, label %4, label %5, !dbg !38
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4: ; preds = %1
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; Check that at -O0 the branches and their debug locations are not eliminated.
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; CHECK: B %bb.3, debug-location !{{[0-9]+}}
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br label %6, !dbg !39
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5: ; preds = %1
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; CHECK: B %bb.3, debug-location !{{[0-9]+}}
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br label %6, !dbg !40
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6: ; preds = %4, %5
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ret void, !dbg !39
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}
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; Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
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declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1
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attributes #1 = { argmemonly nofree nosync nounwind willreturn writeonly }
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!llvm.module.flags = !{!6, !7, !14}
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!llvm.dbg.cu = !{!15, !27}
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!6 = !{i32 7, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{i32 1, !"Swift Version", i32 7}
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!15 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !16, producer: "Swift", emissionKind: LineTablesOnly)
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!16 = !DIFile(filename: "t.swift", directory: "/tmp")
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!17 = !{}
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!27 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !16, emissionKind: LineTablesOnly)
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!35 = distinct !DISubprogram(name: "f", linkageName: "$s1t1f1bySb_tF", scope: !15, file: !16, line: 1, type: !36, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !17)
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!36 = !DISubroutineType(types: null)
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!37 = !DILocation(line: 0, scope: !35)
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!38 = !DILocation(line: 2, column: 9, scope: !35)
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!39 = !DILocation(line: 3, column: 1, scope: !35)
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!40 = !DILocation(line: 2, column: 18, scope: !35)
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