2 files changed, 158 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/COFF/inlining-padding.ll b/llvm/test/DebugInfo/COFF/inlining-padding.ll
new file mode 100644
index 00000000000..72432314595
--- /dev/null
+++ b/llvm/test/DebugInfo/COFF/inlining-padding.ll
@@ -0,0 +1,101 @@
+; RUN: llc < %s -filetype=obj -o - | llvm-readobj -codeview -codeview-subsection-bytes | FileCheck %s
+
+; Check how we pad out the LF_FUNC_ID records. The 00F3F2F1 bytes in LeafData are
+; what's interesting here.
+
+; CHECK:  FuncId (0x1002) {
+; CHECK:    TypeLeafKind: LF_FUNC_ID (0x1601)
+; CHECK:    Name: a
+; CHECK:    LeafData (
+; CHECK:      0000: {{.*}} 6100F2F1           |........a...|
+; CHECK:    )
+; CHECK:  }
+; CHECK:  FuncId (0x1003) {
+; CHECK:    TypeLeafKind: LF_FUNC_ID (0x1601)
+; CHECK:    Name: ab
+; CHECK:    LeafData (
+; CHECK:      0000: {{.*}} 616200F1           |........ab..|
+; CHECK:    )
+; CHECK:  }
+; CHECK:  FuncId (0x1004) {
+; CHECK:    TypeLeafKind: LF_FUNC_ID (0x1601)
+; CHECK:    Name: abc
+; CHECK:    LeafData (
+; CHECK:      0000: {{.*}} 61626300           |........abc.|
+; CHECK:    )
+; CHECK:  }
+; CHECK:  FuncId (0x1005) {
+; CHECK:    TypeLeafKind: LF_FUNC_ID (0x1601)
+; CHECK:    Name: abcd
+; CHECK:    LeafData (
+; CHECK:      0000: {{.*}} 61626364 00F3F2F1  |........abcd....|
+; CHECK:    )
+; CHECK:  }
+
+; C++ source used to generate the IR:
+;
+; extern volatile int x;
+; static void a() { x++; }
+; static void ab() { x++; }
+; static void abc() { x++; }
+; static void abcd() { x++; }
+; int main() {
+;   a();
+;   ab();
+;   abc();
+;   abcd();
+; }
+
+; ModuleID = 't.cpp'
+source_filename = "t.cpp"
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+@x = external global i32, align 4
+
+; Function Attrs: norecurse nounwind
+define i32 @main() #0 !dbg !6 {
+entry:
+  store volatile i32 0, i32* @x, align 4, !dbg !11, !tbaa !16
+  store volatile i32 0, i32* @x, align 4, !dbg !20, !tbaa !16
+  store volatile i32 0, i32* @x, align 4, !dbg !23, !tbaa !16
+  store volatile i32 0, i32* @x, align 4, !dbg !26, !tbaa !16
+  ret i32 0, !dbg !29
+}
+
+attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4}
+!llvm.ident = !{!5}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 270461) (llvm/trunk 270469)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "<stdin>", directory: "D:\5Csrc\5Cllvm\5Cbuild")
+!2 = !{}
+!3 = !{i32 2, !"CodeView", i32 1}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{!"clang version 3.9.0 (trunk 270461) (llvm/trunk 270469)"}
+!6 = distinct !DISubprogram(name: "main", scope: !7, file: !7, line: 6, type: !8, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !0, variables: !2)
+!7 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
+!8 = !DISubroutineType(types: !9)
+!9 = !{!10}
+!10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!11 = !DILocation(line: 2, scope: !12, inlinedAt: !15)
+!12 = distinct !DISubprogram(name: "a", scope: !7, file: !7, line: 2, type: !13, isLocal: true, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !0, variables: !2)
+!13 = !DISubroutineType(types: !14)
+!14 = !{null}
+!15 = distinct !DILocation(line: 7, scope: !6)
+!16 = !{!17, !17, i64 0}
+!17 = !{!"int", !18, i64 0}
+!18 = !{!"omnipotent char", !19, i64 0}
+!19 = !{!"Simple C/C++ TBAA"}
+!20 = !DILocation(line: 3, scope: !21, inlinedAt: !22)
+!21 = distinct !DISubprogram(name: "ab", scope: !7, file: !7, line: 3, type: !13, isLocal: true, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, variables: !2)
+!22 = distinct !DILocation(line: 8, scope: !6)
+!23 = !DILocation(line: 4, scope: !24, inlinedAt: !25)
+!24 = distinct !DISubprogram(name: "abc", scope: !7, file: !7, line: 4, type: !13, isLocal: true, isDefinition: true, scopeLine: 4, isOptimized: true, unit: !0, variables: !2)
+!25 = distinct !DILocation(line: 9, scope: !6)
+!26 = !DILocation(line: 5, scope: !27, inlinedAt: !28)
+!27 = distinct !DISubprogram(name: "abcd", scope: !7, file: !7, line: 5, type: !13, isLocal: true, isDefinition: true, scopeLine: 5, isOptimized: true, unit: !0, variables: !2)
+!28 = distinct !DILocation(line: 10, scope: !6)
+!29 = !DILocation(line: 11, scope: !6)
diff --git a/llvm/test/DebugInfo/COFF/inlining-same-name.ll b/llvm/test/DebugInfo/COFF/inlining-same-name.ll
new file mode 100644
index 00000000000..44b87912f80
--- /dev/null
+++ b/llvm/test/DebugInfo/COFF/inlining-same-name.ll
@@ -0,0 +1,57 @@
+; RUN: llc -mtriple=x86_64-windows-msvc < %s -filetype=obj -o - | llvm-readobj - -codeview | FileCheck %s
+
+; We should only get one func id record, and both inlinees should point to it,
+; even though there are two DISubprograms.
+
+; CHECK:  FuncId (0x1002) {
+; CHECK-NEXT:    TypeLeafKind: LF_FUNC_ID (0x1601)
+; CHECK-NEXT:    ParentScope: 0x0
+; CHECK-NEXT:    FunctionType: void () (0x1001)
+; CHECK-NEXT:    Name: same_name
+; CHECK-NEXT:  }
+; CHECK-NOT:    Name: same_name
+
+; CHECK: CodeViewDebugInfo [
+; CHECK:   Section: .debug$S
+; CHECK:   Subsection [
+; CHECK:     ProcStart {
+; CHECK:       DisplayName: main
+; CHECK:     }
+; CHECK:     InlineSite {
+; CHECK:       Inlinee: same_name (0x1002)
+; CHECK:     }
+; CHECK:     InlineSiteEnd {
+; CHECK:     }
+; CHECK:     InlineSite {
+; CHECK:       Inlinee: same_name (0x1002)
+; CHECK:     }
+; CHECK:     InlineSiteEnd {
+; CHECK:     }
+; CHECK:     ProcEnd
+; CHECK:   ]
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc"
+
+define void @main(i32* %i.i) {
+  store volatile i32 3, i32* %i.i, !dbg !6
+  store volatile i32 3, i32* %i.i, !dbg !19
+  ret void
+}
+
+!llvm.module.flags = !{!0, !1, !2}
+!llvm.dbg.cu = !{!4}
+
+!0 = !{i32 2, !"CodeView", i32 1}
+!1 = !{i32 2, !"Debug Info Version", i32 3}
+!2 = !{i32 6, !"Linker Options", !{}}
+!4 = distinct !DICompileUnit(language: DW_LANG_D, file: !5, producer: "LDC (http://wiki.dlang.org/LDC)", isOptimized: false, runtimeVersion: 1, emissionKind: FullDebug)
+!5 = !DIFile(filename: "opover2.d", directory: "C:\5CLDC\5Cninja-ldc\5C..\5Cldc\5Ctests\5Cd2\5Cdmd-testsuite\5Crunnable")
+!6 = !DILocation(line: 302, column: 9, scope: !7, inlinedAt: !15)
+!7 = distinct !DISubprogram(name: "same_name", linkageName: "same_name", scope: null, file: !5, line: 302, type: !8, isLocal: false, isDefinition: true, scopeLine: 302, flags: DIFlagPrototyped, isOptimized: false, unit: !4, variables: !{})
+!8 = !DISubroutineType(types: !{})
+!15 = distinct !DILocation(line: 333, column: 5, scope: !16)
+!16 = distinct !DISubprogram(name: "main", linkageName: "main", scope: null, file: !5, line: 328, type: !8, isLocal: false, isDefinition: true, scopeLine: 328, flags: DIFlagPrototyped, isOptimized: false, unit: !4, variables: !{})
+!19 = !DILocation(line: 308, column: 9, scope: !20, inlinedAt: !25)
+!20 = distinct !DISubprogram(name: "same_name", linkageName: "same_name",  scope: null, file: !5, line: 308, type: !8, isLocal: false, isDefinition: true, scopeLine: 308, flags: DIFlagPrototyped, isOptimized: false, unit: !4, variables: !{})
+!25 = distinct !DILocation(line: 334, column: 5, scope: !16)