Intitial checkin of cast tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2427 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll
new file mode 100644 (file)
index 0000000..42b7ad9
--- /dev/null
+++ b/test/Transforms/InstCombine/cast.ll
@@ -0,0 +1,23 @@
+; Tests to make sure elimination of casts is working correctly
+
+; RUN: if as < %s | opt -instcombine -dce | grep '%c'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+implementation
+
+int "test1"(int %A)
+begin
+       %c1 = cast int %A to uint
+       %c2 = cast uint %c1 to int
+       ret int %c2
+end
+
+ulong "test2"(ubyte %A)
+begin
+       %c1 = cast ubyte %A to ushort
+       %c2 = cast ushort %c1 to uint
+       %Ret = cast uint %c2 to ulong
+       ret ulong %Ret
+end