Add a test for a feature that I hope will be implemented someday

llvm-svn: 5673

1 files changed, 22 insertions, 0 deletions

diff --git a/llvm/test/Regression/Transforms/Mem2Reg/DifferingTypes.ll b/llvm/test/Regression/Transforms/Mem2Reg/DifferingTypes.ll
new file mode 100644
index 00000000000..782deaafc43
--- /dev/null
+++ b/llvm/test/Regression/Transforms/Mem2Reg/DifferingTypes.ll
@@ -0,0 +1,22 @@
+; This is a feature test.  Hopefully one day this will be implemented.  The 
+; generated code should perform the appropriate masking operations required 
+; depending on the endianness of the target...
+
+; RUN: if as < %s | opt -mem2reg | dis | grep 'alloca'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+implementation
+
+int %testfunc(int %i, sbyte %j) {
+	%I = alloca int
+
+	store int %i, int* %I
+
+	%P = cast int* %I to sbyte*
+	store sbyte %j, sbyte* %P
+
+	%t = load int* %I
+	ret int %t
+}