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authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>2016-03-31 20:21:31 +0000
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>2016-03-31 20:21:31 +0000
commita614ab7b71c36416c747ab73876519b6f0e7b74e (patch)
tree641e81a10668235abc31fb39158a03cc282d52f6 /llvm/test/tools/llvm-split/extern_linkage.ll
parent66c49f78a35625e6cd5f82af030b5919effb3182 (diff)
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Preserve extern_weak linkage in CloneModule.
Only force "extern" linkage if the function used to be a definition in the source module. Declarations keep their original linkage. llvm-svn: 265043
Diffstat (limited to 'llvm/test/tools/llvm-split/extern_linkage.ll')
-rw-r--r--llvm/test/tools/llvm-split/extern_linkage.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-split/extern_linkage.ll b/llvm/test/tools/llvm-split/extern_linkage.ll
new file mode 100644
index 00000000000..d8dde7963e7
--- /dev/null
+++ b/llvm/test/tools/llvm-split/extern_linkage.ll
@@ -0,0 +1,12 @@
+; Test that extern_weak linkage is preserved.
+; RUN: llvm-split -o %t %s
+; RUN: llvm-dis -o - %t0 | FileCheck %s
+; RUN: llvm-dis -o - %t1 | FileCheck %s
+
+; Both declarations are extern_weak in all partitions.
+
+; CHECK: @x = extern_weak global i32, align 4
+@x = extern_weak global i32, align 4
+
+; CHECK: declare extern_weak void @f(...)
+declare extern_weak void @f(...)
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