Add testcases for harder combining cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12799 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/select.ll b/test/Transforms/InstCombine/select.ll
index b09cae4d7ab6b7b24e94fe53e3aaf822c91f5ec4..e89c25250f0a0ee444f938cb7bda0b6fc5f820b1 100644 (file)
--- a/test/Transforms/InstCombine/select.ll
+++ b/test/Transforms/InstCombine/select.ll
@@ -61,3 +61,21 @@ int %test11(int %a) {
         ret int %R
 }
 
+int %test12(bool %cond, int %a) {
+       %b = or int %a, 1
+       %c = select bool %cond, int %b, int %a
+       ret int %c
+}
+
+int %test12a(bool %cond, int %a) {
+       %b = shr int %a, ubyte 1
+       %c = select bool %cond, int %b, int %a
+       ret int %c
+}
+
+int %test12b(bool %cond, int %a) {
+       %b = shr int %a, ubyte 1
+       %c = select bool %cond, int %a, int %b
+       ret int %c
+}
+