39 lines
2.1 KiB
LLVM
39 lines
2.1 KiB
LLVM
; RUN: opt -sroa %s -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%foo = type { [8 x i8], [8 x i8] }
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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define void @_ZL18findInsertLocationPN4llvm17MachineBasicBlockENS_9SlotIndexERNS_13LiveIntervalsE() {
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entry:
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%retval = alloca %foo, align 8
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call void @llvm.dbg.declare(metadata %foo* %retval, metadata !1, metadata !7), !dbg !8
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; Checks that SROA still inserts a bit_piece expression, even if it produces only one piece
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; (as long as that piece is smaller than the whole thing)
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; CHECK-NOT: call void @llvm.dbg.value
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; CHECK: call void @llvm.dbg.value(metadata %foo* undef, i64 0, {{.*}}, metadata ![[BIT_PIECE:[0-9]+]]), !dbg
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; CHECK-NOT: call void @llvm.dbg.value
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; CHECK: ![[BIT_PIECE]] = !DIExpression(DW_OP_bit_piece, 64, 64)
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%0 = bitcast %foo* %retval to i8*
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%1 = getelementptr inbounds i8, i8* %0, i64 8
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%2 = bitcast i8* %1 to %foo**
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store %foo* undef, %foo** %2, align 8
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ret void
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}
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attributes #0 = { nounwind readnone }
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!llvm.dbg.cu = !{!9}
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!llvm.module.flags = !{!0}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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!1 = !DILocalVariable(name: "I", scope: !2, file: !3, line: 947, type: !4)
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!2 = distinct !DISubprogram(name: "findInsertLocation", linkageName: "_ZL18findInsertLocationPN4llvm17MachineBasicBlockENS_9SlotIndexERNS_13LiveIntervalsE", scope: !3, file: !3, line: 937, isLocal: true, isDefinition: true, scopeLine: 938, flags: DIFlagPrototyped, isOptimized: true, unit: !9)
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!3 = !DIFile(filename: "none", directory: ".")
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!4 = !DICompositeType(tag: DW_TAG_class_type, name: "bundle_iterator<llvm::MachineInstr, llvm::ilist_iterator<llvm::MachineInstr> >", scope: !5, file: !3, line: 163, size: 128, align: 64, elements: !6, templateParams: !6, identifier: "_ZTSN4llvm17MachineBasicBlock15bundle_iteratorINS_12MachineInstrENS_14ilist_iteratorIS2_EEEE")
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!5 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "MachineBasicBlock", file: !3, line: 68, size: 1408, align: 64, identifier: "_ZTSN4llvm17MachineBasicBlockE")
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!6 = !{}
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!7 = !DIExpression()
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!8 = !DILocation(line: 947, column: 35, scope: !2)
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!9 = distinct !DICompileUnit(language: DW_LANG_Julia, file: !3)
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