1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast-and-cast.ll b/test/Transforms/InstCombine/cast-and-cast.ll
new file mode 100644
index 000000000000..f90cb7499aff
--- /dev/null
+++ b/test/Transforms/InstCombine/cast-and-cast.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+; RUN:   not grep bitcast
+
+define i1 @test1(i32 %val) {
+        %t1 = bitcast i32 %val to i32           ; <i32> [#uses=1]
+        %t2 = and i32 %t1, 1            ; <i32> [#uses=1]
+        %t3 = trunc i32 %t2 to i1               ; <i1> [#uses=1]
+        ret i1 %t3
+}
+
+define i16 @test1.upgrd.1(i32 %val) {
+        %t1 = bitcast i32 %val to i32           ; <i32> [#uses=1]
+        %t2 = and i32 %t1, 1            ; <i32> [#uses=1]
+        %t3 = trunc i32 %t2 to i16              ; <i16> [#uses=1]
+        ret i16 %t3
+}
+