xref: /aosp_15_r20/external/llvm/test/Transforms/SROA/dbg-single-piece.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -sroa %s -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker%foo = type { [8 x i8], [8 x i8] }
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.dbg.declare(metadata, metadata, metadata) #0
7*9880d681SAndroid Build Coastguard Workerdefine void @_ZL18findInsertLocationPN4llvm17MachineBasicBlockENS_9SlotIndexERNS_13LiveIntervalsE() {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %retval = alloca %foo, align 8
10*9880d681SAndroid Build Coastguard Worker  call void @llvm.dbg.declare(metadata %foo* %retval, metadata !1, metadata !7), !dbg !8
11*9880d681SAndroid Build Coastguard Worker; Checks that SROA still inserts a bit_piece expression, even if it produces only one piece
12*9880d681SAndroid Build Coastguard Worker; (as long as that piece is smaller than the whole thing)
13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.dbg.value
14*9880d681SAndroid Build Coastguard Worker; CHECK: call void @llvm.dbg.value(metadata %foo* undef, i64 0, {{.*}}, metadata ![[BIT_PIECE:[0-9]+]]), !dbg
15*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.dbg.value
16*9880d681SAndroid Build Coastguard Worker; CHECK: ![[BIT_PIECE]] = !DIExpression(DW_OP_bit_piece, 64, 64)
17*9880d681SAndroid Build Coastguard Worker  %0 = bitcast %foo* %retval to i8*
18*9880d681SAndroid Build Coastguard Worker  %1 = getelementptr inbounds i8, i8* %0, i64 8
19*9880d681SAndroid Build Coastguard Worker  %2 = bitcast i8* %1 to %foo**
20*9880d681SAndroid Build Coastguard Worker  store %foo* undef, %foo** %2, align 8
21*9880d681SAndroid Build Coastguard Worker  ret void
22*9880d681SAndroid Build Coastguard Worker}
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind readnone }
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker!llvm.dbg.cu = !{!9}
27*9880d681SAndroid Build Coastguard Worker!llvm.module.flags = !{!0}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker!0 = !{i32 2, !"Debug Info Version", i32 3}
30*9880d681SAndroid Build Coastguard Worker!1 = !DILocalVariable(name: "I", scope: !2, file: !3, line: 947, type: !4)
31*9880d681SAndroid Build Coastguard Worker!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)
32*9880d681SAndroid Build Coastguard Worker!3 = !DIFile(filename: "none", directory: ".")
33*9880d681SAndroid Build Coastguard Worker!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")
34*9880d681SAndroid Build Coastguard Worker!5 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "MachineBasicBlock", file: !3, line: 68, size: 1408, align: 64, identifier: "_ZTSN4llvm17MachineBasicBlockE")
35*9880d681SAndroid Build Coastguard Worker!6 = !{}
36*9880d681SAndroid Build Coastguard Worker!7 = !DIExpression()
37*9880d681SAndroid Build Coastguard Worker!8 = !DILocation(line: 947, column: 35, scope: !2)
38*9880d681SAndroid Build Coastguard Worker!9 = distinct !DICompileUnit(language: DW_LANG_Julia, file: !3)
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