new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34918 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/add2.ll b/test/Transforms/InstCombine/add2.ll
new file mode 100644 (file)
index 0000000..f9ca397
--- /dev/null
+++ b/test/Transforms/InstCombine/add2.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output &&
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+; RUN:    grep -v OK | not grep add
+
+define i64 @test1(i64 %A, i32 %B) {
+        %tmp12 = zext i32 %B to i64
+        %tmp3 = shl i64 %tmp12, 32
+        %tmp5 = add i64 %tmp3, %A
+        %tmp6 = and i64 %tmp5, 123
+        ret i64 %tmp6
+}
+