1 files changed, 99 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Inline/no-inline-line-tables.ll b/llvm/test/Transforms/Inline/no-inline-line-tables.ll
new file mode 100644
index 00000000000..b20f6b75888
--- /dev/null
+++ b/llvm/test/Transforms/Inline/no-inline-line-tables.ll
@@ -0,0 +1,99 @@
+; RUN: opt < %s -inline -S | FileCheck %s
+
+; This tests that functions with the attribute `no-inline-line-tables` have the
+; correct debug information when they are inlined.
+
+; ModuleID = 't.c'
+source_filename = "t.c"
+target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-windows-msvc"
+
+; Function Attrs: alwaysinline nounwind
+define dso_local i32 @f(i32 %x) #0 !dbg !7 {
+entry:
+  %x.addr = alloca i32, align 4
+  store i32 %x, i32* %x.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
+  %0 = load i32, i32* %x.addr, align 4, !dbg !14
+  ret i32 %0, !dbg !14
+}
+
+; Function Attrs: nounwind readnone speculatable willreturn
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+; Function Attrs: alwaysinline nounwind
+define i32 @g(i32 %x) #0 !dbg !15 {
+entry:
+  %x.addr = alloca i32, align 4
+  store i32 %x, i32* %x.addr, align 4
+  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !16, metadata !DIExpression()), !dbg !17
+  br label %L, !dbg !17
+
+L:                                                ; preds = %entry
+  call void @llvm.dbg.label(metadata !18), !dbg !19
+  store i32 42, i32* %x.addr, align 4, !dbg !20
+  %0 = load i32, i32* %x.addr, align 4, !dbg !21
+  ret i32 %0, !dbg !21
+}
+
+; Function Attrs: nounwind readnone speculatable willreturn
+declare void @llvm.dbg.label(metadata) #1
+
+; Check that debug info for inlined code uses the call location and that debug
+; intrinsics are removed.
+; Function Attrs: noinline nounwind optnone
+define i32 @main() #2 !dbg !22 {
+entry:
+; CHECK-LABEL: @main()
+; CHECK-NOT: @f
+; CHECK-NOT: @llvm.dbg.declare
+; CHECK: %{{[0-9]+}} = load i32, i32* %x.addr.i, align 4, !dbg ![[VAR1:[0-9]+]]
+  %call = call i32 @f(i32 3), !dbg !25
+
+; Another test for inlining debug intrinsics where the intrinsic appears at the
+; start of the basic block.
+; CHECK-NOT: @g
+; CHECK-NOT: @llvm.dbg.label
+; CHECK: %{{[0-9]+}} = load i32, i32* %x.addr.i1, align 4, !dbg ![[VAR2:[0-9]+]]
+  %call1 = call i32 @g(i32 340), !dbg !26
+  ret i32 0, !dbg !27
+}
+
+; CHECK: ![[VAR1]] = !DILocation(line: 10, scope: ![[SCOPE:[0-9]+]])
+; CHECK: ![[VAR2]] = !DILocation(line: 11, scope: ![[SCOPE]])
+
+attributes #0 = { alwaysinline nounwind "no-inline-line-tables" }
+attributes #2 = { noinline nounwind optnone "no-inline-line-tables"}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+!llvm.ident = !{!6}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 03ec3a12a94bbbaa11999b6da3a43221a5aa54a5)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
+!1 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/akhuang/testing/inline-line-tables", checksumkind: CSK_MD5, checksum: "38a4785b48742d3ea655b8f3461436a4")
+!2 = !{}
+!3 = !{i32 2, !"CodeView", i32 1}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!6 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 03ec3a12a94bbbaa11999b6da3a43221a5aa54a5)"}
+!7 = distinct !DISubprogram(name: "f", scope: !8, file: !8, line: 1, type: !9, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!8 = !DIFile(filename: "t.c", directory: "/usr/local/google/home/akhuang/testing/inline-line-tables", checksumkind: CSK_MD5, checksum: "38a4785b48742d3ea655b8f3461436a4")
+!9 = !DISubroutineType(types: !10)
+!10 = !{!11, !11}
+!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!12 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !8, line: 1, type: !11)
+!13 = !DILocation(line: 1, scope: !7)
+!14 = !DILocation(line: 2, scope: !7)
+!15 = distinct !DISubprogram(name: "g", scope: !8, file: !8, line: 4, type: !9, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!16 = !DILocalVariable(name: "x", arg: 1, scope: !15, file: !8, line: 4, type: !11)
+!17 = !DILocation(line: 4, scope: !15)
+!18 = !DILabel(scope: !15, name: "L", file: !8, line: 5)
+!19 = !DILocation(line: 5, scope: !15)
+!20 = !DILocation(line: 6, scope: !15)
+!21 = !DILocation(line: 7, scope: !15)
+!22 = distinct !DISubprogram(name: "main", scope: !8, file: !8, line: 9, type: !23, scopeLine: 9, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!23 = !DISubroutineType(types: !24)
+!24 = !{!11}
+!25 = !DILocation(line: 10, scope: !22)
+!26 = !DILocation(line: 11, scope: !22)
+!27 = !DILocation(line: 12, scope: !22)