From 4cee2890a66974af506f2125243114cc14bd5556 Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Sat, 16 Oct 2010 08:25:57 +0000
Subject: MC-COFF: Add support for default-null weak externals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116666 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/MC/COFF/weak.s | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 test/MC/COFF/weak.s

(limited to 'test/MC/COFF')

diff --git a/test/MC/COFF/weak.s b/test/MC/COFF/weak.s
new file mode 100644
index 0000000000..d910059a47
--- /dev/null
+++ b/test/MC/COFF/weak.s
@@ -0,0 +1,51 @@
+// This tests that default-null weak symbols (a GNU extension) are created
+// properly via the .weak directive.
+
+// RUN: llvm-mc -filetype=obj < %s | coff-dump.py | FileCheck %s
+
+    .def    _main;
+    .scl    2;
+    .type   32;
+    .endef
+    .text
+    .globl  _main
+    .align  16, 0x90
+_main:                                  # @main
+# BB#0:                                 # %entry
+    subl    $4, %esp
+    movl    $_test_weak, %eax
+    testl   %eax, %eax
+    je      LBB0_2
+# BB#1:                                 # %if.then
+    calll   _test_weak
+    movl    $1, %eax
+    addl    $4, %esp
+    ret
+LBB0_2:                                 # %return
+    xorl    %eax, %eax
+    addl    $4, %esp
+    ret
+
+    .weak   _test_weak
+
+// CHECK: Symbols = [
+
+// CHECK:      Name               = _test_weak
+// CHECK-NEXT: Value              = 0
+// CHECK-NEXT: SectionNumber      = 0
+// CHECK-NEXT: SimpleType         = IMAGE_SYM_TYPE_NULL (0)
+// CHECK-NEXT: ComplexType        = IMAGE_SYM_DTYPE_NULL (0)
+// CHECK-NEXT: StorageClass       = IMAGE_SYM_CLASS_WEAK_EXTERNAL (105)
+// CHECK-NEXT: NumberOfAuxSymbols = 1
+// CHECK-NEXT: AuxillaryData      =
+// CHECK-NEXT: 05 00 00 00 02 00 00 00 - 00 00 00 00 00 00 00 00 |................|
+// CHECK-NEXT: 00 00                                             |..|
+
+// CHECK:      Name               = .weak._test_weak.default
+// CHECK-NEXT: Value              = 0
+// CHECK-NEXT: SectionNumber      = 65535
+// CHECK-NEXT: SimpleType         = IMAGE_SYM_TYPE_NULL (0)
+// CHECK-NEXT: ComplexType        = IMAGE_SYM_DTYPE_NULL (0)
+// CHECK-NEXT: StorageClass       = IMAGE_SYM_CLASS_EXTERNAL (2)
+// CHECK-NEXT: NumberOfAuxSymbols = 0
+// CHECK-NEXT: AuxillaryData      =
-- 
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