new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15028 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/IntPtrCast.ll b/test/Transforms/InstCombine/IntPtrCast.ll
new file mode 100644 (file)
index 0000000..c304982
--- /dev/null
+++ b/test/Transforms/InstCombine/IntPtrCast.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep cast
+target pointersize = 32
+
+int *%test(int *%P) {
+       %V = cast int* %P to int
+       %P2 = cast int %V to int*
+       ret int* %P2
+}