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llvm-mirror/test/CodeGen/ARM/dbg-range-extension.mir
Guillaume Chatelet d49cb60862 [Alignment] Use llvm::Align in MachineFunction and TargetLowering - fixes mir parsing 
Summary:
This catches malformed mir files which specify alignment as log2 instead of pow2.
See https://reviews.llvm.org/D65945 for reference,

This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: MatzeB, qcolombet, dschuff, arsenm, sdardis, nemanjai, jvesely, nhaehnle, hiraditya, kbarton, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, jsji, Petar.Avramovic, asbirlea, s.egerton, pzheng, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67433

llvm-svn: 371608
2019-09-11 11:16:48 +00:00

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# RUN: llc -mtriple=arm-eabi -run-pass=livedebugvalues %s -o - | FileCheck %s
#
# Check that the debug information for variables are propagated into the correct blocks.
#
# Generated from the C source:
#
# int func2(int, int);
# void func(int a) {
# int b = func2(10, 11);
# if (a) {
# int c = func2(12, 13);
# for(int i = 1; i < a; i++) {
# func2(i, i+b);
# }
# func2(b,c);
# }
# func2(b,a);
# }
# CHECK: [[VAR_A:![0-9]+]] = !DILocalVariable(name: "a",
# CHECK: [[VAR_B:![0-9]+]] = !DILocalVariable(name: "b",
# CHECK: [[VAR_C:![0-9]+]] = !DILocalVariable(name: "c",
# CHECK: [[VAR_I:![0-9]+]] = !DILocalVariable(name: "i",
# CHECK: bb.0.entry
# CHECK: DBG_VALUE $r0, $noreg, [[VAR_A]]
# CHECK: DBG_VALUE [[REG_A:\$r[0-9]+]], $noreg, [[VAR_A]]
# CHECK: DBG_VALUE [[REG_B:\$r[0-9]+]], $noreg, [[VAR_B]]
# CHECK: bb.1.if.then
# CHECK: DBG_VALUE [[REG_B]], $noreg, [[VAR_B]]
# CHECK: DBG_VALUE [[REG_A]], $noreg, [[VAR_A]]
# CHECK: DBG_VALUE [[REG_C:\$r[0-9]+]], $noreg, [[VAR_C]]
# CHECK: DBG_VALUE 1, 0, [[VAR_I]]
# CHECK: bb.2.for.body
# CHECK: DBG_VALUE [[REG_I:\$r[0-9]+]], $noreg, [[VAR_I]]
# CHECK: DBG_VALUE [[REG_C]], $noreg, [[VAR_C]]
# CHECK: DBG_VALUE [[REG_B]], $noreg, [[VAR_B]]
# CHECK: DBG_VALUE [[REG_A]], $noreg, [[VAR_A]]
# CHECK: DBG_VALUE [[REG_I]], $noreg, [[VAR_I]]
# CHECK: bb.3.for.cond
# CHECK: DBG_VALUE [[REG_C]], $noreg, [[VAR_C]]
# CHECK: DBG_VALUE [[REG_B]], $noreg, [[VAR_B]]
# CHECK: DBG_VALUE [[REG_A]], $noreg, [[VAR_A]]
# CHECK: DBG_VALUE [[REG_I]], $noreg, [[VAR_I]]
# CHECK: bb.4.for.cond.cleanup
# CHECK: DBG_VALUE [[REG_C]], $noreg, [[VAR_C]]
# CHECK: DBG_VALUE [[REG_B]], $noreg, [[VAR_B]]
# CHECK: DBG_VALUE [[REG_A]], $noreg, [[VAR_A]]
# CHECK: bb.5.if.end
# CHECK: DBG_VALUE [[REG_B]], $noreg, [[VAR_B]]
# CHECK: DBG_VALUE [[REG_A]], $noreg, [[VAR_A]]
--- |
; ModuleID = '/data/kwalker/work/OpenSource-llvm/llvm/test/CodeGen/ARM/dbg-range-extension.ll'
source_filename = "/data/kwalker/work/OpenSource-llvm/llvm/test/CodeGen/ARM/dbg-range-extension.ll"
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "arm---eabi"
; Function Attrs: minsize nounwind optsize
define void @func(i32 %a) local_unnamed_addr #0 !dbg !8 {
entry:
tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !13, metadata !20), !dbg !21
%call = tail call i32 @func2(i32 10, i32 11) #0, !dbg !22
tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !14, metadata !20), !dbg !23
%tobool = icmp eq i32 %a, 0, !dbg !24
br i1 %tobool, label %if.end, label %if.then, !dbg !25
if.then: ; preds = %entry
%call1 = tail call i32 @func2(i32 12, i32 13) #0, !dbg !26
tail call void @llvm.dbg.value(metadata i32 %call1, i64 0, metadata !15, metadata !20), !dbg !27
tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !18, metadata !20), !dbg !28
br label %for.cond, !dbg !29
for.cond: ; preds = %for.body, %if.then
%i.0 = phi i32 [ 1, %if.then ], [ %inc, %for.body ]
tail call void @llvm.dbg.value(metadata i32 %i.0, i64 0, metadata !18, metadata !20), !dbg !28
%cmp = icmp slt i32 %i.0, %a, !dbg !30
br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !33
for.cond.cleanup: ; preds = %for.cond
%call3 = tail call i32 @func2(i32 %call, i32 %call1) #0, !dbg !34
br label %if.end, !dbg !35
for.body: ; preds = %for.cond
%0 = add i32 %call, %i.0, !dbg !36
%call2 = tail call i32 @func2(i32 %i.0, i32 %0) #0, !dbg !36
%inc = add nuw nsw i32 %i.0, 1, !dbg !38
tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !18, metadata !20), !dbg !28
br label %for.cond, !dbg !40, !llvm.loop !41
if.end: ; preds = %for.cond.cleanup, %entry
%call4 = tail call i32 @func2(i32 %call, i32 %a) #0, !dbg !43
ret void, !dbg !44
}
; Function Attrs: minsize optsize
declare i32 @func2(i32, i32) local_unnamed_addr #1
; Function Attrs: nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
; Function Attrs: nounwind
declare void @llvm.stackprotector(i8*, i8**) #3
attributes #0 = { minsize nounwind optsize }
attributes #1 = { minsize optsize }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "loop.c", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{i32 1, !"min_enum_size", i32 4}
!7 = !{!"clang version 4.0.0"}
!8 = distinct !DISubprogram(name: "func", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
!9 = !DISubroutineType(types: !10)
!10 = !{null, !11}
!11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!12 = !{!13, !14, !15, !18}
!13 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 2, type: !11)
!14 = !DILocalVariable(name: "b", scope: !8, file: !1, line: 3, type: !11)
!15 = !DILocalVariable(name: "c", scope: !16, file: !1, line: 5, type: !11)
!16 = distinct !DILexicalBlock(scope: !17, file: !1, line: 4, column: 9)
!17 = distinct !DILexicalBlock(scope: !8, file: !1, line: 4, column: 6)
!18 = !DILocalVariable(name: "i", scope: !19, file: !1, line: 6, type: !11)
!19 = distinct !DILexicalBlock(scope: !16, file: !1, line: 6, column: 3)
!20 = !DIExpression()
!21 = !DILocation(line: 2, column: 15, scope: !8)
!22 = !DILocation(line: 3, column: 17, scope: !8)
!23 = !DILocation(line: 3, column: 13, scope: !8)
!24 = !DILocation(line: 4, column: 6, scope: !17)
!25 = !DILocation(line: 4, column: 6, scope: !8)
!26 = !DILocation(line: 5, column: 11, scope: !16)
!27 = !DILocation(line: 5, column: 7, scope: !16)
!28 = !DILocation(line: 6, column: 11, scope: !19)
!29 = !DILocation(line: 6, column: 7, scope: !19)
!30 = !DILocation(line: 6, column: 20, scope: !31)
!31 = !DILexicalBlockFile(scope: !32, file: !1, discriminator: 1)
!32 = distinct !DILexicalBlock(scope: !19, file: !1, line: 6, column: 3)
!33 = !DILocation(line: 6, column: 3, scope: !31)
!34 = !DILocation(line: 9, column: 3, scope: !16)
!35 = !DILocation(line: 10, column: 2, scope: !16)
!36 = !DILocation(line: 7, column: 4, scope: !37)
!37 = distinct !DILexicalBlock(scope: !32, file: !1, line: 6, column: 30)
!38 = !DILocation(line: 6, column: 26, scope: !39)
!39 = !DILexicalBlockFile(scope: !32, file: !1, discriminator: 3)
!40 = !DILocation(line: 6, column: 3, scope: !39)
!41 = distinct !{!41, !42}
!42 = !DILocation(line: 6, column: 3, scope: !16)
!43 = !DILocation(line: 11, column: 2, scope: !8)
!44 = !DILocation(line: 12, column: 1, scope: !8)
...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: false
liveins:
- { reg: '$r0' }
calleeSavedRegisters: [ '$lr', '$d8', '$d9', '$d10', '$d11', '$d12', '$d13',
'$d14', '$d15', '$q4', '$q5', '$q6', '$q7', '$r4',
'$r5', '$r6', '$r7', '$r8', '$r9', '$r10', '$r11',
'$s16', '$s17', '$s18', '$s19', '$s20', '$s21',
'$s22', '$s23', '$s24', '$s25', '$s26', '$s27',
'$s28', '$s29', '$s30', '$s31', '$d8_d10', '$d9_d11',
'$d10_d12', '$d11_d13', '$d12_d14', '$d13_d15',
'$q4_q5', '$q5_q6', '$q6_q7', '$q4_q5_q6_q7', '$r4_r5',
'$r6_r7', '$r8_r9', '$r10_r11', '$d8_d9_d10', '$d9_d10_d11',
'$d10_d11_d12', '$d11_d12_d13', '$d12_d13_d14',
'$d13_d14_d15', '$d8_d10_d12', '$d9_d11_d13', '$d10_d12_d14',
'$d11_d13_d15', '$d8_d10_d12_d14', '$d9_d11_d13_d15',
'$d9_d10', '$d11_d12', '$d13_d14', '$d9_d10_d11_d12',
'$d11_d12_d13_d14' ]
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 24
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
stack:
- { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr' }
- { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r11' }
- { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, callee-saved-register: '$r7' }
- { id: 3, type: spill-slot, offset: -16, size: 4, alignment: 4, callee-saved-register: '$r6' }
- { id: 4, type: spill-slot, offset: -20, size: 4, alignment: 4, callee-saved-register: '$r5' }
- { id: 5, type: spill-slot, offset: -24, size: 4, alignment: 4, callee-saved-register: '$r4' }
body: |
bb.0.entry:
liveins: $r0, $r4, $r5, $r6, $r7, $r11, $lr
$sp = frame-setup STMDB_UPD $sp, 14, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r11, killed $lr
frame-setup CFI_INSTRUCTION def_cfa_offset 24
frame-setup CFI_INSTRUCTION offset $lr, -4
frame-setup CFI_INSTRUCTION offset $r11, -8
frame-setup CFI_INSTRUCTION offset $r7, -12
frame-setup CFI_INSTRUCTION offset $r6, -16
frame-setup CFI_INSTRUCTION offset $r5, -20
frame-setup CFI_INSTRUCTION offset $r4, -24
DBG_VALUE $r0, $noreg, !13, !20, debug-location !21
$r4 = MOVr killed $r0, 14, $noreg, $noreg
DBG_VALUE $r4, $noreg, !13, !20, debug-location !21
$r0 = MOVi 10, 14, $noreg, _, debug-location !22
$r1 = MOVi 11, 14, $noreg, _, debug-location !22
BL @func2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp, implicit-def $r0, debug-location !22
$r5 = MOVr killed $r0, 14, $noreg, _, debug-location !22
DBG_VALUE $r5, $noreg, !14, !20, debug-location !23
CMPri $r4, 0, 14, $noreg, implicit-def $cpsr, debug-location !25
Bcc %bb.5.if.end, 0, killed $cpsr
bb.1.if.then:
liveins: $r4, $r5
$r0 = MOVi 12, 14, $noreg, _, debug-location !26
$r1 = MOVi 13, 14, $noreg, _, debug-location !26
BL @func2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp, implicit-def $r0, debug-location !26
$r6 = MOVr killed $r0, 14, $noreg, _, debug-location !26
DBG_VALUE $r6, $noreg, !15, !20, debug-location !27
$r7 = MOVi 1, 14, $noreg, $noreg
DBG_VALUE 1, 0, !18, !20, debug-location !28
B %bb.3.for.cond
bb.2.for.body:
liveins: $r4, $r5, $r6, $r7
$r1 = ADDrr $r5, $r7, 14, $noreg, _, debug-location !36
$r0 = MOVr $r7, 14, $noreg, _, debug-location !36
BL @func2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp, implicit-def dead $r0, debug-location !36
$r7 = ADDri killed $r7, 1, 14, $noreg, _, debug-location !38
DBG_VALUE $r7, $noreg, !18, !20, debug-location !28
bb.3.for.cond:
liveins: $r4, $r5, $r6, $r7
DBG_VALUE $r7, $noreg, !18, !20, debug-location !28
CMPrr $r7, $r4, 14, $noreg, implicit-def $cpsr, debug-location !33
Bcc %bb.2.for.body, 11, killed $cpsr, debug-location !33
bb.4.for.cond.cleanup:
liveins: $r4, $r5, $r6
$r0 = MOVr $r5, 14, $noreg, _, debug-location !34
$r1 = MOVr killed $r6, 14, $noreg, _, debug-location !34
BL @func2, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp, implicit-def dead $r0, debug-location !34
bb.5.if.end:
liveins: $r4, $r5
$r0 = MOVr killed $r5, 14, $noreg, _, debug-location !43
$r1 = MOVr killed $r4, 14, $noreg, _, debug-location !43
$sp = LDMIA_UPD $sp, 14, $noreg, def $r4, def $r5, def $r6, def $r7, def $r11, def $lr, debug-location !43
TAILJMPd @func2, implicit $sp, implicit $sp, implicit killed $r0, implicit killed $r1, debug-location !43
...
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