Write and read metadata attachments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82259 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/test/Feature/md_on_instruction2.ll b/test/Feature/md_on_instruction2.ll
new file mode 100644
index 00000000000..f5bd513e4c6
--- /dev/null
+++ b/test/Feature/md_on_instruction2.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | llvm-dis | grep " dbg " | count 4
+define i32 @foo() nounwind ssp {
+entry:
+  %retval = alloca i32                            ; <i32*> [#uses=2]
+  call void @llvm.dbg.func.start(metadata !0)
+  store i32 42, i32* %retval, dbg !3
+  br label %0, dbg !3
+
+; <label>:0                                       ; preds = %entry
+  call void @llvm.dbg.region.end(metadata !0)
+  %1 = load i32* %retval, dbg !3                  ; <i32> [#uses=1]
+  ret i32 %1, dbg !3
+}
+
+declare void @llvm.dbg.func.start(metadata) nounwind readnone
+
+declare void @llvm.dbg.region.end(metadata) nounwind readnone
+
+!0 = metadata !{i32 458798, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 1, metadata !2, i1 false, i1 true}
+!1 = metadata !{i32 458769, i32 0, i32 12, metadata !"foo.c", metadata !"/tmp", metadata !"clang 1.0", i1 true, i1 false, metadata !"", i32 0}
+!2 = metadata !{i32 458788, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
+!3 = metadata !{i32 1, i32 13, metadata !1, metadata !1}