Don't look for leaf values to store when lowering stores of

empty structs. This fixes PR2612.

llvm-svn: 54226

1 files changed, 18 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Generic/empty-load-store.ll b/llvm/test/CodeGen/Generic/empty-load-store.ll
new file mode 100644
index 00000000000..d7bb37194e4
--- /dev/null
+++ b/llvm/test/CodeGen/Generic/empty-load-store.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | llc
+; PR2612
+
+@current_foo = internal global {  } zeroinitializer
+
+define i32 @foo() {
+entry:
+        %retval = alloca i32
+        store i32 0, i32* %retval
+        %local_foo = alloca {  }
+        load {  }* @current_foo
+        store {  } %0, {  }* %local_foo
+        br label %return
+
+return:
+        load i32* %retval
+        ret i32 %1
+}