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https://github.com/RPCS3/llvm-mirror.git
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08fbde827c
The debug-use flag must be set exactly for uses on DBG_VALUEs. This is so obvious that it can be trivially inferred while parsing. This will reduce noise when printing while omitting an information that has little value to the user. The parser will keep recognizing the flag for compatibility with old `.mir` files. Differential Revision: https://reviews.llvm.org/D53903 llvm-svn: 345671
69 lines
2.7 KiB
YAML
69 lines
2.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -O0 -mtriple arm64-- -run-pass=instruction-select %s -o - | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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define void @test_dbg_value(i32 %a) !dbg !5 {
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%tmp0 = add i32 %a, %a
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call void @llvm.dbg.value(metadata i32 %tmp0, i64 0, metadata !7, metadata !DIExpression()), !dbg !9
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ret void
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}
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define void @test_dbg_value_dead(i32 %a) !dbg !10 {
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call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !11, metadata !DIExpression()), !dbg !12
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ret void
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "llvm", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.ll", directory: "/tmp")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!6 = !DISubroutineType(types: !2)
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!7 = !DILocalVariable(name: "in", arg: 1, scope: !5, file: !1, line: 1, type: !8)
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!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!9 = !DILocation(line: 1, column: 1, scope: !5)
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!10 = distinct !DISubprogram(name: "test_dbg_value", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!11 = !DILocalVariable(name: "in", arg: 1, scope: !10, file: !1, line: 1, type: !8)
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!12 = !DILocation(line: 1, column: 1, scope: !10)
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...
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---
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name: test_dbg_value
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $w0
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; CHECK-LABEL: name: test_dbg_value
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; CHECK: [[COPY:%[0-9]+]]:gpr32 = COPY $w0
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; CHECK: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[COPY]], [[COPY]]
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; CHECK: $w0 = COPY [[ADDWrr]]
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; CHECK: DBG_VALUE [[ADDWrr]], $noreg, !7, !DIExpression(), debug-location !9
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%0:gpr(s32) = COPY $w0
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%1:gpr(s32) = G_ADD %0, %0
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$w0 = COPY %1(s32)
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DBG_VALUE %1(s32), $noreg, !7, !DIExpression(), debug-location !9
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...
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---
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name: test_dbg_value_dead
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $w0
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; CHECK-LABEL: name: test_dbg_value_dead
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; CHECK-NOT: COPY
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; CHECK: DBG_VALUE $noreg, $noreg, !7, !DIExpression(), debug-location !9
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%0:gpr(s32) = COPY $w0
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DBG_VALUE %0(s32), $noreg, !7, !DIExpression(), debug-location !9
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...
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