From ab1923d63c3e726457ec0e4cb58737f7443cf3c8 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 15 Apr 2016 15:26:52 +0000
Subject: [PATCH] Add an interesting GC testcase.

It shows that we correctly look at liveness based on the final symbol
resolution.

llvm-svn: 266440
---
 lld/test/ELF/Inputs/gc-sections-weak.s |  8 ++++++++
 lld/test/ELF/gc-sections-weak.s        | 24 ++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 lld/test/ELF/Inputs/gc-sections-weak.s
 create mode 100644 lld/test/ELF/gc-sections-weak.s

diff --git a/lld/test/ELF/Inputs/gc-sections-weak.s b/lld/test/ELF/Inputs/gc-sections-weak.s
new file mode 100644
index 0000000..27baa66
--- /dev/null
+++ b/lld/test/ELF/Inputs/gc-sections-weak.s
@@ -0,0 +1,8 @@
+.weak foo
+foo:
+        nop
+
+.data
+.global bar2
+bar2:
+.quad foo
diff --git a/lld/test/ELF/gc-sections-weak.s b/lld/test/ELF/gc-sections-weak.s
new file mode 100644
index 0000000..625b613
--- /dev/null
+++ b/lld/test/ELF/gc-sections-weak.s
@@ -0,0 +1,24 @@
+// REQUIRES: x86
+// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/gc-sections-weak.s -o %t2.o
+// RUN: ld.lld %t.o %t2.o -o %t.so -shared --gc-sections
+// RUN: llvm-readobj -s %t.so | FileCheck %s
+
+.global foo
+foo:
+nop
+
+.data
+.global bar1
+bar1:
+.quad foo
+
+// CHECK:      Name: .text
+// CHECK-NEXT: Type: SHT_PROGBITS
+// CHECK-NEXT: Flags [
+// CHECK-NEXT:   SHF_ALLOC
+// CHECK-NEXT:   SHF_EXECINSTR
+// CHECK-NEXT: ]
+// CHECK-NEXT: Address:
+// CHECK-NEXT: Offset:
+// CHECK-NEXT: Size: 1
-- 
2.7.4