1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/call-graph-section.ll b/llvm/test/CodeGen/X86/call-graph-section.ll
new file mode 100644
index 0000000..4a9840e
--- /dev/null
+++ b/llvm/test/CodeGen/X86/call-graph-section.ll
@@ -0,0 +1,38 @@
+;; Tests that we store the type identifiers in .callgraph section of the object file.
+
+; RUN: llc -mtriple=x86_64-unknown-linux --call-graph-section -filetype=obj -o - < %s | \
+; RUN: llvm-readelf -x .callgraph - | FileCheck %s
+
+declare !type !0 void @foo()
+
+declare !type !1 i32 @bar(i8)
+
+declare !type !2 ptr @baz(ptr)
+
+define void @main() {
+entry:
+  %a = alloca i8, align 1
+  %fp_foo_val = load ptr, ptr null, align 8
+  call void (...) %fp_foo_val(), !callee_type !1
+  %fp_bar_val = load ptr, ptr null, align 8
+  %param = trunc i64 0 to i8
+  %call_fp_bar = call i32 %fp_bar_val(i8 signext %param), !callee_type !3
+  %fp_baz_val = load ptr, ptr null, align 8
+  %call_fp_baz = call ptr %fp_baz_val(ptr %a), !callee_type !4
+  ret void
+}
+
+;; Check that the numeric type id (md5 hash) for the below type ids are emitted
+;; to the callgraph section.
+
+; CHECK: Hex dump of section '.callgraph':
+
+; CHECK-DAG: 2444f731 f5eecb3e
+!0 = !{i64 0, !"_ZTSFvE.generalized"}
+!1 = !{!0}
+; CHECK-DAG: 5486bc59 814b8e30
+!2 = !{i64 0, !"_ZTSFicE.generalized"}
+!3 = !{!2}
+; CHECK-DAG: 7ade6814 f897fd77
+!4 = !{!5}
+!5 = !{i64 0, !"_ZTSFPvS_E.generalized"}