From 22a7dfea585703d6755db69b83e29a0e6ee10369 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Sun, 30 Oct 2011 17:30:44 +0000
Subject: Add support for lazily linking bitcode files (using a new
 -mlink-bitcode-file flag), and more generally llvm::Modules, before running
 optimisations.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143314 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/link-bitcode-file.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/CodeGen/link-bitcode-file.c

(limited to 'test/CodeGen/link-bitcode-file.c')

diff --git a/test/CodeGen/link-bitcode-file.c b/test/CodeGen/link-bitcode-file.c
new file mode 100644
index 0000000000..77404062ec
--- /dev/null
+++ b/test/CodeGen/link-bitcode-file.c
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -DBITCODE -emit-llvm-bc -o %t.bc %s
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -mlink-bitcode-file %t.bc -O3 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-NO-BC %s
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -DBITCODE -mlink-bitcode-file %t.bc -O3 -emit-llvm -o - %s 2>&1 | FileCheck -check-prefix=CHECK-BC %s
+
+int f(void);
+
+#ifdef BITCODE
+
+// CHECK-BC: 'f': symbol multiply defined
+int f(void) {
+  return 42;
+}
+
+#else
+
+// CHECK-NO-BC: define i32 @g
+// CHECK-NO-BC: ret i32 42
+int g(void) {
+  return f();
+}
+
+// CHECK-NO-BC: define i32 @f
+
+#endif
-- 
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