From 60e9b5888f75c3e33795e5a8c84f6e6c1c53116c Mon Sep 17 00:00:00 2001
From: Georgii Rymar <grimar@accesssoftek.com>
Date: Thu, 6 Feb 2020 14:15:59 +0300
Subject: [PATCH] [llvm-readobj][test] - Add a test for --elf-cg-profile
 option.

This adds a test to document --elf-cg-profile  option we have.
I am going to refactor this area, and this patch is mostly to
create a base for a follow-up change.

Differential revision: https://reviews.llvm.org/D74115
---
 .../tools/llvm-readobj/ELF/call-graph-profile.test | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 llvm/test/tools/llvm-readobj/ELF/call-graph-profile.test

diff --git a/llvm/test/tools/llvm-readobj/ELF/call-graph-profile.test b/llvm/test/tools/llvm-readobj/ELF/call-graph-profile.test
new file mode 100644
index 0000000..def7092
--- /dev/null
+++ b/llvm/test/tools/llvm-readobj/ELF/call-graph-profile.test
@@ -0,0 +1,40 @@
+## This test checks how we handle the --elf-cg-profile option.
+
+# RUN: yaml2obj %s -o %t.o
+# RUN: llvm-readobj %t.o --elf-cg-profile | FileCheck %s --check-prefix=LLVM
+# RUN: llvm-readelf %t.o --elf-cg-profile | FileCheck %s --check-prefix=GNU
+
+# LLVM:      CGProfile [
+# LLVM-NEXT:  CGProfileEntry {
+# LLVM-NEXT:    From: foo (1)
+# LLVM-NEXT:    To: bar (2)
+# LLVM-NEXT:    Weight: 89
+# LLVM-NEXT:  }
+# LLVM-NEXT:  CGProfileEntry {
+# LLVM-NEXT:    From: bar (2)
+# LLVM-NEXT:    To: foo (1)
+# LLVM-NEXT:    Weight: 98
+# LLVM-NEXT:  }
+# LLVM-NEXT: ]
+
+# GNU: GNUStyle::printCGProfile not implemented
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_DYN
+  Machine: EM_X86_64
+Sections:
+  - Name: .llvm.call-graph-profile
+    Type: SHT_LLVM_CALL_GRAPH_PROFILE
+    Entries:
+      - From:   foo
+        To:     bar
+        Weight: 89
+      - From:   bar
+        To:     foo
+        Weight: 98
+Symbols:
+  - Name: foo
+  - Name: bar
-- 
2.7.4