094572701d
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
74 lines
4.0 KiB
LLVM
74 lines
4.0 KiB
LLVM
; RUN: opt -passes=sroa -S -o - %s \
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; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg"
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; RUN: opt --try-experimental-debuginfo-iterators -passes=sroa -S -o - %s \
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; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg"
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;
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;; Based on llvm/test/DebugInfo/ARM/sroa-complex.ll
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;; generated from:
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;; $ cat test.c
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;; void f(_Complex double c) { c = 0; }
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;; $ clang test.c -g -O2 -c -Xclang -disable-llvm-passes -S \
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;; -emit-llvm -o - --target="thumbv7-apple-unknown"
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;;
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;; Commented out some parts of the function that are not relevant to the test.
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;;
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;; Check that a split store gets dbg.assigns fragments. Ensure that only the
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;; value-expression gets fragment info; that the address-expression remains
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;; untouched.
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;; dbg.assigns for the split (then promoted) stores.
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; CHECK: %c.coerce.fca.0.extract = extractvalue [2 x i64] %c.coerce, 0
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; CHECK: %c.coerce.fca.1.extract = extractvalue [2 x i64] %c.coerce, 1
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; CHECK: #dbg_value(i64 %c.coerce.fca.0.extract,{{.+}}, !DIExpression(DW_OP_LLVM_fragment, 0, 64),
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; CHECK: #dbg_value(i64 %c.coerce.fca.1.extract,{{.+}}, !DIExpression(DW_OP_LLVM_fragment, 64, 64),
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7-apple-unknown"
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define dso_local arm_aapcscc void @f([2 x i64] %c.coerce) #0 !dbg !8 {
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entry:
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%c = alloca { double, double }, align 8, !DIAssignID !14
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call void @llvm.dbg.assign(metadata i1 undef, metadata !13, metadata !DIExpression(), metadata !14, metadata ptr %c, metadata !DIExpression()), !dbg !15
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%0 = bitcast ptr %c to ptr
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store [2 x i64] %c.coerce, ptr %0, align 8, !DIAssignID !16
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call void @llvm.dbg.assign(metadata [2 x i64] %c.coerce, metadata !13, metadata !DIExpression(), metadata !16, metadata ptr %0, metadata !DIExpression()), !dbg !15
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; --- The rest of this function isn't useful for the test ---
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;%c.realp = getelementptr inbounds { double, double }, ptr %c, i32 0, i32 0, !dbg !17
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;%c.imagp = getelementptr inbounds { double, double }, ptr %c, i32 0, i32 1, !dbg !17
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;store double 0.000000e+00, ptr %c.realp, align 8, !dbg !17, !DIAssignID !18
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;call void @llvm.dbg.assign(metadata double 0.000000e+00, metadata !13, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !18, metadata ptr %c.realp, metadata !DIExpression()), !dbg !15
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;store double 0.000000e+00, ptr %c.imagp, align 8, !dbg !17, !DIAssignID !19
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;call void @llvm.dbg.assign(metadata double 0.000000e+00, metadata !13, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !19, metadata ptr %c.imagp, metadata !DIExpression()), !dbg !15
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ret void, !dbg !20
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6, !1000}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test.c", directory: "/")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{i32 1, !"min_enum_size", i32 4}
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!7 = !{!"clang version 12.0.0"}
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!8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 2, type: !9, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null, !11}
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!11 = !DIBasicType(name: "complex", size: 128, encoding: DW_ATE_complex_float)
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!12 = !{!13}
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!13 = !DILocalVariable(name: "c", arg: 1, scope: !8, file: !1, line: 2, type: !11)
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!14 = distinct !DIAssignID()
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!15 = !DILocation(line: 0, scope: !8)
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!16 = distinct !DIAssignID()
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!17 = !DILocation(line: 2, column: 31, scope: !8)
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!18 = distinct !DIAssignID()
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!19 = distinct !DIAssignID()
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!20 = !DILocation(line: 2, column: 36, scope: !8)
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!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
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