Given two identical weak functions, produce one internal function and two weak

thunks.

llvm-svn: 73230

1 files changed, 13 insertions, 0 deletions

diff --git a/llvm/test/Transforms/MergeFunc/fold-weak.ll b/llvm/test/Transforms/MergeFunc/fold-weak.ll
new file mode 100644
index 00000000000..cea49fb1cec
--- /dev/null
+++ b/llvm/test/Transforms/MergeFunc/fold-weak.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | opt -mergefunc | llvm-dis > %t
+; RUN: grep {define weak} %t | count 2
+; RUN: grep {call} %t | count 2
+
+define weak i32 @sum(i32 %x, i32 %y) {
+  %sum = add i32 %x, %y
+  ret i32 %sum
+}
+
+define weak i32 @add(i32 %x, i32 %y) {
+  %sum = add i32 %x, %y
+  ret i32 %sum
+}