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clang-p2996/llvm/test/Transforms/SROA/dbg-inline.ll
Stephen Tozer 094572701d [RemoveDIs] Print IR with debug records by default (#91724) 
This patch makes the final major change of the RemoveDIs project, changing the
default IR output from debug intrinsics to debug records. This is expected to
break a large number of tests: every single one that tests for uses or
declarations of debug intrinsics and does not explicitly disable writing
records. 

If this patch has broken your downstream tests (or upstream tests on a
configuration I wasn't able to run):
1. If you need to immediately unblock a build, pass
`--write-experimental-debuginfo=false` to LLVM's option processing for all
failing tests (remember to use `-mllvm` for clang/flang to forward arguments to
LLVM).
2. For most test failures, the changes are trivial and mechanical, enough that
they can be done by script; see the migration guide for a guide on how to do
this: https://llvm.org/docs/RemoveDIsDebugInfo.html#test-updates
3. If any tests fail for reasons other than FileCheck check lines that need
updating, such as assertion failures, that is most likely a real bug with this
patch and should be reported as such.

For more information, see the recent PSA:
https://discourse.llvm.org/t/psa-ir-output-changing-from-debug-intrinsics-to-debug-records/79578
2024-06-14 15:07:27 +01:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; Test that SROA can deal with allocas that have more than one
; dbg.declare hanging off of it.
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
;; Duplicate copies for RemoveDIs, eliminating debug intrinsics.
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S --try-experimental-debuginfo-iterators | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt < %s -passes='sroa<modify-cfg>' -S --try-experimental-debuginfo-iterators | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
source_filename = "/tmp/inlinesplit.cpp"
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.15.0"
%struct.pair = type { i64, i64 }
; Function Attrs: noinline optnone ssp uwtable
define i64 @_Z1g4pair(i64 %p.coerce0, i64 %p.coerce1) #0 !dbg !8 {
; CHECK-LABEL: @_Z1g4pair(
; CHECK-NEXT: entry:
; CHECK-NEXT: #dbg_value(i64 [[P_COERCE0:%.*]], [[META16:![0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), [[META17:![0-9]+]])
; CHECK-NEXT: #dbg_value(i64 [[P_COERCE0]], [[META18:![0-9]+]], !DIExpression(DW_OP_LLVM_fragment, 0, 64), [[META20:![0-9]+]])
; CHECK-NEXT: #dbg_value(i64 [[P_COERCE1:%.*]], [[META16]], !DIExpression(DW_OP_LLVM_fragment, 64, 64), [[META17]])
; CHECK-NEXT: #dbg_value(i64 [[P_COERCE1]], [[META18]], !DIExpression(DW_OP_LLVM_fragment, 64, 64), [[META20]])
; CHECK-NEXT: ret i64 [[P_COERCE0]], !dbg [[DBG22:![0-9]+]]
;
entry:
%p = alloca %struct.pair, align 8
store i64 %p.coerce0, ptr %p, align 8
%0 = getelementptr inbounds %struct.pair, ptr %p, i32 0, i32 1
store i64 %p.coerce1, ptr %0, align 8
call void @llvm.dbg.declare(metadata ptr %p, metadata !17, metadata !DIExpression()), !dbg !18
call void @llvm.dbg.declare(metadata ptr %p, metadata !21, metadata !DIExpression()), !dbg !23
%x2 = load i64, ptr %p, align 8, !dbg !25
ret i64 %x2, !dbg !26
}
; Function Attrs: nounwind readnone speculatable willreturn
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2
attributes #0 = { noinline ssp uwtable }
attributes #1 = { nounwind readnone speculatable willreturn }
attributes #2 = { argmemonly nounwind willreturn }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0 (git@github.com:llvm/llvm-project 5110fd0343c2d06c8ae538741fbef13ece5e68de)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None, sysroot: "/")
!1 = !DIFile(filename: "/tmp/inlinesplit.cpp", directory: "/Volumes/Data/llvm-project")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{i32 7, !"PIC Level", i32 2}
!8 = distinct !DISubprogram(name: "g", linkageName: "_Z1g4pair", scope: !9, file: !9, line: 9, type: !10, scopeLine: 9, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!9 = !DIFile(filename: "/tmp/inlinesplit.cpp", directory: "")
!10 = !DISubroutineType(types: !11)
!11 = !{!12, !13}
!12 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
!13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "pair", file: !9, line: 1, size: 128, flags: DIFlagTypePassByValue, elements: !14, identifier: "_ZTS4pair")
!14 = !{!15, !16}
!15 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !13, file: !9, line: 1, baseType: !12, size: 64)
!16 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !13, file: !9, line: 1, baseType: !12, size: 64, offset: 64)
!17 = !DILocalVariable(name: "p", arg: 1, scope: !8, file: !9, line: 9, type: !13)
!18 = !DILocation(line: 9, column: 27, scope: !8)
!19 = !DILocation(line: 10, column: 12, scope: !8)
!20 = !DILocation(line: 10, column: 10, scope: !8)
!21 = !DILocalVariable(name: "p", arg: 1, scope: !22, file: !9, line: 5, type: !13)
!22 = distinct !DISubprogram(name: "f", linkageName: "_ZL1f4pair", scope: !9, file: !9, line: 5, type: !10, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
!23 = !DILocation(line: 5, column: 27, scope: !22, inlinedAt: !24)
!24 = distinct !DILocation(line: 10, column: 10, scope: !8)
!25 = !DILocation(line: 6, column: 12, scope: !22, inlinedAt: !24)
!26 = !DILocation(line: 10, column: 3, scope: !8)
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { noinline ssp uwtable }
; CHECK: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
;.
; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], nameTableKind: None, sysroot: "/")
; CHECK: [[META1]] = !DIFile(filename: "/tmp/inlinesplit.cpp", directory: {{.*}})
; CHECK: [[META2]] = !{}
; CHECK: [[META3:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
; CHECK: [[META4:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
; CHECK: [[META5:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
; CHECK: [[META6:![0-9]+]] = !{i32 8, !"PIC Level", i32 2}
; CHECK: [[META7:![0-9]+]] = distinct !DISubprogram(name: "g", linkageName: "_Z1g4pair", scope: [[META8:![0-9]+]], file: [[META8]], line: 9, type: [[META9:![0-9]+]], scopeLine: 9, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META2]])
; CHECK: [[META8]] = !DIFile(filename: "/tmp/inlinesplit.cpp", directory: "")
; CHECK: [[META9]] = !DISubroutineType(types: [[META10:![0-9]+]])
; CHECK: [[META10]] = !{[[META11:![0-9]+]], [[META12:![0-9]+]]}
; CHECK: [[META11]] = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
; CHECK: [[META12]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "pair", file: [[META8]], line: 1, size: 128, flags: DIFlagTypePassByValue, elements: [[META13:![0-9]+]], identifier: "_ZTS4pair")
; CHECK: [[META13]] = !{[[META14:![0-9]+]], [[META15:![0-9]+]]}
; CHECK: [[META14]] = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: [[META12]], file: [[META8]], line: 1, baseType: [[META11]], size: 64)
; CHECK: [[META15]] = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: [[META12]], file: [[META8]], line: 1, baseType: [[META11]], size: 64, offset: 64)
; CHECK: [[META16]] = !DILocalVariable(name: "p", arg: 1, scope: [[META7]], file: [[META8]], line: 9, type: [[META12]])
; CHECK: [[META17]] = !DILocation(line: 0, scope: [[META7]])
; CHECK: [[META18]] = !DILocalVariable(name: "p", arg: 1, scope: [[META19:![0-9]+]], file: [[META8]], line: 5, type: [[META12]])
; CHECK: [[META19]] = distinct !DISubprogram(name: "f", linkageName: "_ZL1f4pair", scope: [[META8]], file: [[META8]], line: 5, type: [[META9]], scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META2]])
; CHECK: [[META20]] = !DILocation(line: 0, scope: [[META19]], inlinedAt: [[META21:![0-9]+]])
; CHECK: [[META21]] = distinct !DILocation(line: 10, column: 10, scope: [[META7]])
; CHECK: [[DBG22]] = !DILocation(line: 10, column: 3, scope: [[META7]])
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-MODIFY-CFG: {{.*}}
; CHECK-PRESERVE-CFG: {{.*}}
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