172 lines
6.8 KiB
Plaintext
172 lines
6.8 KiB
Plaintext
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# Check that the codegenprepare succeeds in dupRetToEnableTailCallOpts() also
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# in the presence of a call to @llvm.dbg.value()
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#
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# RUN: llc %s -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=codegenprepare \
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# RUN: -stop-after codegenprepare -o - | FileCheck %s
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#
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# CHECK-LABEL: bb1:
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# CHECK: ret
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# CHECK-LABEL: bb2:
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# CHECK: ret
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# Generated with:
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#
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# bin/llc -mtriple=s390x-linux-gnu -mcpu=z13 -stop-before codegenprepare -simplify-mir
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#
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# %0 = type { i32 (...)**, i16, %1* }
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# %1 = type { i32 (...)** }
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# %2 = type { i32 (...)**, %1*, i8, i32, i32, i32, i16, i32, i16, i32, i16*, %3*, %6*, %9 }
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# %3 = type { %4 }
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# %4 = type { i32 (...)**, i8, i32, i32, %5**, %1* }
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# %5 = type { i32, i32 }
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# %6 = type { %7*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %1* }
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# %7 = type { %8 }
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# %8 = type { i32 (...)**, i8, i32, i32, %0**, %1* }
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# %9 = type { i8* }
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# %10 = type { %0, i32, i32, %0* }
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#
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# define %0* @Fun(%2* %arg) !dbg !7 {
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# bb:
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# switch i32 undef, label %bb3 [
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# i32 58, label %bb1
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# i32 41, label %bb2
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# ], !dbg !14
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#
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# bb1: ; preds = %bb
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# br label %bb4, !dbg !15
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#
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# bb2: ; preds = %bb
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# %tmp = tail call %10* @hoge(%6* undef, %0* undef, i32 signext 0, i32 signext 0), !dbg !16
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# call void @llvm.dbg.value(metadata %10* %tmp, metadata !10, metadata !DIExpression()), !dbg !16
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# br label %bb4, !dbg !17
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#
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# bb3: ; preds = %bb
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# unreachable, !dbg !18
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#
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# bb4: ; preds = %bb2, %bb1
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# %tmp5 = phi %10* [ undef, %bb1 ], [ %tmp, %bb2 ], !dbg !19
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# call void @llvm.dbg.value(metadata %10* %tmp5, metadata !12, metadata !DIExpression()), !dbg !19
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# %tmp6 = bitcast %10* %tmp5 to %0*, !dbg !20
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# call void @llvm.dbg.value(metadata %0* %tmp6, metadata !13, metadata !DIExpression()), !dbg !20
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# ret %0* %tmp6, !dbg !21
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# }
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#
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# declare %10* @hoge(%6*, %0*, i32, i32)
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#
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# ; Function Attrs: nounwind readnone speculatable
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# declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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#
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# attributes #0 = { "use-soft-float"="false" }
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# attributes #1 = { nounwind readnone speculatable }
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#
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# !llvm.module.flags = !{!0, !1}
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# !llvm.dbg.cu = !{!2}
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# !llvm.debugify = !{!5, !6}
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#
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# !0 = !{i32 2, !"Debug Info Version", i32 3}
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# !1 = !{i32 1, !"wchar_size", i32 4}
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# !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4)
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# !3 = !DIFile(filename: "tc.ll", directory: "/")
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# !4 = !{}
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# !5 = !{i32 8}
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# !6 = !{i32 3}
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# !7 = distinct !DISubprogram(name: "eggs", linkageName: "eggs", scope: null, file: !3, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
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# !8 = !DISubroutineType(types: !4)
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# !9 = !{!10, !12, !13}
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# !10 = !DILocalVariable(name: "1", scope: !7, file: !3, line: 3, type: !11)
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# !11 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
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# !12 = !DILocalVariable(name: "2", scope: !7, file: !3, line: 6, type: !11)
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# !13 = !DILocalVariable(name: "3", scope: !7, file: !3, line: 7, type: !11)
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# !14 = !DILocation(line: 1, column: 1, scope: !7)
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# !15 = !DILocation(line: 2, column: 1, scope: !7)
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# !16 = !DILocation(line: 3, column: 1, scope: !7)
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# !17 = !DILocation(line: 4, column: 1, scope: !7)
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# !18 = !DILocation(line: 5, column: 1, scope: !7)
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# !19 = !DILocation(line: 6, column: 1, scope: !7)
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# !20 = !DILocation(line: 7, column: 1, scope: !7)
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# !21 = !DILocation(line: 8, column: 1, scope: !7)
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--- |
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%0 = type { i32 (...)**, i16, %1* }
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%1 = type { i32 (...)** }
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%2 = type { i32 (...)**, %1*, i8, i32, i32, i32, i16, i32, i16, i32, i16*, %3*, %6*, %9 }
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%3 = type { %4 }
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%4 = type { i32 (...)**, i8, i32, i32, %5**, %1* }
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%5 = type { i32, i32 }
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%6 = type { %7*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %1* }
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%7 = type { %8 }
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%8 = type { i32 (...)**, i8, i32, i32, %0**, %1* }
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%9 = type { i8* }
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%10 = type { %0, i32, i32, %0* }
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define %0* @Fun(%2* %arg) #0 !dbg !7 {
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bb:
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switch i32 undef, label %bb3 [
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i32 58, label %bb1
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i32 41, label %bb2
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], !dbg !14
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bb1: ; preds = %bb
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br label %bb4, !dbg !15
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bb2: ; preds = %bb
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%tmp = tail call %10* @hoge(%6* undef, %0* undef, i32 signext 0, i32 signext 0), !dbg !16
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call void @llvm.dbg.value(metadata %10* %tmp, metadata !10, metadata !DIExpression()), !dbg !16
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br label %bb4, !dbg !17
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bb3: ; preds = %bb
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unreachable, !dbg !18
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bb4: ; preds = %bb2, %bb1
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%tmp5 = phi %10* [ undef, %bb1 ], [ %tmp, %bb2 ], !dbg !19
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call void @llvm.dbg.value(metadata %10* %tmp5, metadata !12, metadata !DIExpression()), !dbg !19
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%tmp6 = bitcast %10* %tmp5 to %0*, !dbg !20
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call void @llvm.dbg.value(metadata %0* %tmp6, metadata !13, metadata !DIExpression()), !dbg !20
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ret %0* %tmp6, !dbg !21
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}
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declare %10* @hoge(%6*, %0*, i32, i32) #0
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { "target-cpu"="z13" }
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attributes #1 = { nounwind readnone speculatable "target-cpu"="z13" }
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!llvm.module.flags = !{!0, !1}
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!llvm.dbg.cu = !{!2}
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!llvm.debugify = !{!5, !6}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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!1 = !{i32 1, !"wchar_size", i32 4}
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!2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4)
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!3 = !DIFile(filename: "tc.ll", directory: "/")
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!4 = !{}
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!5 = !{i32 8}
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!6 = !{i32 3}
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!7 = distinct !DISubprogram(name: "eggs", linkageName: "eggs", scope: null, file: !3, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
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!8 = !DISubroutineType(types: !4)
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!9 = !{!10, !12, !13}
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!10 = !DILocalVariable(name: "1", scope: !7, file: !3, line: 3, type: !11)
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!11 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
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!12 = !DILocalVariable(name: "2", scope: !7, file: !3, line: 6, type: !11)
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!13 = !DILocalVariable(name: "3", scope: !7, file: !3, line: 7, type: !11)
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!14 = !DILocation(line: 1, column: 1, scope: !7)
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!15 = !DILocation(line: 2, column: 1, scope: !7)
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!16 = !DILocation(line: 3, column: 1, scope: !7)
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!17 = !DILocation(line: 4, column: 1, scope: !7)
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!18 = !DILocation(line: 5, column: 1, scope: !7)
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!19 = !DILocation(line: 6, column: 1, scope: !7)
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!20 = !DILocation(line: 7, column: 1, scope: !7)
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!21 = !DILocation(line: 8, column: 1, scope: !7)
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...
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---
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name: Fun
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alignment: 16
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tracksRegLiveness: true
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...
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