1 files changed, 78 insertions, 0 deletions
diff --git a/test/Transforms/NewGVN/debugloc.ll b/test/Transforms/NewGVN/debugloc.ll
new file mode 100644
index 000000000000..55597a078bbc
--- /dev/null
+++ b/test/Transforms/NewGVN/debugloc.ll
@@ -0,0 +1,78 @@
+; XFAIL: *
+; RUN: opt < %s -newgvn -S | FileCheck %s
+; CHECK: {{^}}for.body:
+; CHECK-NEXT: [[VREG1:%[^ ]+]] = phi{{.*}}[[VREG2:%[^ ]+]],{{.*}}%.sink,
+; CHECK-NOT: !dbg
+; CHECK-SAME: {{$}}
+; CHECK: {{^}}for.inc:
+; CHECK-NEXT: [[VREG2]] = phi{{.*}}%inc,{{.*}}[[VREG1]]
+
+target triple = "x86_64-unknown-linux-gnu"
+
+@g = external local_unnamed_addr global i32, align 4
+
+; Function Attrs: nounwind uwtable
+define void @foo(i32 %x, i32 %y, i32 %z) local_unnamed_addr #0 !dbg !4 {
+entry:
+  %not.tobool = icmp eq i32 %x, 0, !dbg !8
+  %.sink = zext i1 %not.tobool to i32, !dbg !8
+  store i32 %.sink, i32* @g, align 4, !tbaa !9
+  %cmp8 = icmp sgt i32 %y, 0, !dbg !13
+  br i1 %cmp8, label %for.body.preheader, label %for.end, !dbg !17
+
+for.body.preheader:                               ; preds = %entry
+  br label %for.body, !dbg !19
+
+for.body:                                         ; preds = %for.body.preheader, %for.inc
+  %i.09 = phi i32 [ %inc4, %for.inc ], [ 0, %for.body.preheader ]
+  %cmp1 = icmp sgt i32 %i.09, %z, !dbg !19
+  br i1 %cmp1, label %if.then2, label %for.inc, !dbg !21
+
+if.then2:                                         ; preds = %for.body
+  %0 = load i32, i32* @g, align 4, !dbg !22, !tbaa !9
+  %inc = add nsw i32 %0, 1, !dbg !22
+  store i32 %inc, i32* @g, align 4, !dbg !22, !tbaa !9
+  br label %for.inc, !dbg !23
+
+for.inc:                                          ; preds = %for.body, %if.then2
+  %inc4 = add nuw nsw i32 %i.09, 1, !dbg !24
+  %exitcond = icmp ne i32 %inc4, %y, !dbg !13
+  br i1 %exitcond, label %for.body, label %for.end.loopexit, !dbg !17
+
+for.end.loopexit:                                 ; preds = %for.inc
+  br label %for.end, !dbg !26
+
+for.end:                                          ; preds = %for.end.loopexit, %entry
+  ret void, !dbg !26
+}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1)
+!1 = !DIFile(filename: "foo.c", directory: "b/")
+!2 = !{i32 2, !"Dwarf Version", i32 4}
+!3 = !{i32 2, !"Debug Info Version", i32 3}
+!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
+!5 = !DISubroutineType(types: !6)
+!6 = !{null, !7, !7, !7}
+!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!8 = !DILocation(line: 4, column: 7, scope: !4)
+!9 = !{!10, !10, i64 0}
+!10 = !{!"int", !11, i64 0}
+!11 = !{!"omnipotent char", !12, i64 0}
+!12 = !{!"Simple C/C++ TBAA"}
+!13 = !DILocation(line: 10, column: 13, scope: !14)
+!14 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 1)
+!15 = distinct !DILexicalBlock(scope: !16, file: !1, line: 10, column: 3)
+!16 = distinct !DILexicalBlock(scope: !4, file: !1, line: 10, column: 3)
+!17 = !DILocation(line: 10, column: 3, scope: !18)
+!18 = !DILexicalBlockFile(scope: !16, file: !1, discriminator: 1)
+!19 = !DILocation(line: 11, column: 11, scope: !20)
+!20 = distinct !DILexicalBlock(scope: !15, file: !1, line: 11, column: 9)
+!21 = !DILocation(line: 11, column: 9, scope: !15)
+!22 = !DILocation(line: 12, column: 8, scope: !20)
+!23 = !DILocation(line: 12, column: 7, scope: !20)
+!24 = !DILocation(line: 10, column: 20, scope: !25)
+!25 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2)
+!26 = !DILocation(line: 13, column: 1, scope: !4)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!2, !3}