new testcase for PR892

llvm-svn: 30824

1 files changed, 29 insertions, 1 deletions

diff --git a/llvm/test/Regression/Transforms/ScalarRepl/union-pointer.ll b/llvm/test/Regression/Transforms/ScalarRepl/union-pointer.ll
index 427ceec958e..f54704cd499 100644
--- a/llvm/test/Regression/Transforms/ScalarRepl/union-pointer.ll
+++ b/llvm/test/Regression/Transforms/ScalarRepl/union-pointer.ll
@@ -1,10 +1,13 @@
-
 ; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep alloca &&
 ; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep 'ret sbyte'
 
+; PR892
+
 target endian = little
 target pointersize = 32
 target triple = "i686-apple-darwin8.7.2"
+        
+%struct.Val = type { int*, int }
 
 implementation   ; Functions:
 
@@ -16,3 +19,28 @@ sbyte* %test(short* %X) {
         ret sbyte* %tmp
 }
 
+void %test2(long %Op.0) {
+        %tmp = alloca %struct.Val, align 8              
+        %tmp1 = alloca %struct.Val, align 8             
+        %tmp = call ulong %_Z3foov( )           
+        %tmp1 = cast %struct.Val* %tmp1 to ulong*               
+        store ulong %tmp, ulong* %tmp1
+        %tmp = getelementptr %struct.Val* %tmp, int 0, uint 0           
+        %tmp2 = getelementptr %struct.Val* %tmp1, int 0, uint 0         
+        %tmp = load int** %tmp2         
+        store int* %tmp, int** %tmp
+        %tmp3 = getelementptr %struct.Val* %tmp, int 0, uint 1          
+        %tmp4 = getelementptr %struct.Val* %tmp1, int 0, uint 1         
+        %tmp = load int* %tmp4          
+        store int %tmp, int* %tmp3
+        %tmp7 = cast %struct.Val* %tmp to { long }*             
+        %tmp8 = getelementptr { long }* %tmp7, int 0, uint 0            
+        %tmp9 = load long* %tmp8                
+        call void %_Z3bar3ValS_( long %Op.0, long %tmp9 )
+        ret void
+}
+
+declare ulong %_Z3foov()
+
+declare void %_Z3bar3ValS_(long, long)
+