[llvm] 60e9b58 - [llvm-readobj][test] - Add a test for --elf-cg-profile option.

[Georgii Rymar via llvm-commits]

Author: Georgii Rymar
Date: 2020-02-11T13:06:36+03:00
New Revision: 60e9b5888f75c3e33795e5a8c84f6e6c1c53116c

URL: https://github.com/llvm/llvm-project/commit/60e9b5888f75c3e33795e5a8c84f6e6c1c53116c
DIFF: https://github.com/llvm/llvm-project/commit/60e9b5888f75c3e33795e5a8c84f6e6c1c53116c.diff

LOG: [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

Added: 
    llvm/test/tools/llvm-readobj/ELF/call-graph-profile.test

Modified: 
    

Removed: 
    


################################################################################
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 000000000000..def70921a72d
--- /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